Annual Report 2000 - Engineering Mechanics · Report 2000. It covers 2000, a year in which research activities in the field of Engineering Mechanics received the first priority. Furthermore,

Annual Report 2000

Colophon:Editors: Dr. J.J.M. Rijpkema

Prof.Dr.Ir. R. de BorstProf.Dr.Ir. D.H. van Campen

Publication date: March 2001ISBN: 90-386-2742-4Notice: Information from this Annual Report is available in hyperlinked form at:

http://www.em.tue.nl

ContentsPreface

1. General Information 1.11.1 Introduction 1.11.2 Outline of the field of Engineering Mechanics 1.11.3 Objectives 1.21.4 Organization 1.31.5 Participants 1.41.6 Research themes 1.51.7 Education 1.61.8 General description of developments in 2000 1.71.9 Aggregated input and output for 2000 1.91.10 Overview of input and output per participating group, 2000 1.111.11 Overview of co-operation between participating groups, 2000 1.12

Research documentation per participating group:

2. Engineering Dynamics 2.13. Control Systems Technology 3.14. Systems Engineering 4.15. Materials Technology 5.16. Scientific Computing 6.17. Applied Analysis 7.18. Engineering Mechanics (1) 8.19. Aerospace Structures and Computational Mechanics 9.1

10. Micromechanics of Materials 10.111. Structural Optimization and Computational Mechanics 11.112. Engineering Mechanics (2) 12.113. Computational Mechanics, Structural Mechanics and Dynamics 13.114. Applied Mechanics and Polymer Engineering 14.115. Tribology 15.116. Mechanical Automation 16.1

Appendices:

A. Summaries of EM-dissertations completed in 2000 A.1B. Summary of information per research theme B.1C. Addresses C.1

Preface

The National Research School on Engineering Mechanics, a joint initiative of the Eindhovenand Delft Universities of Technology and the University of Twente, herewith presents its AnnualReport 2000. It covers 2000, a year in which research activities in the field of EngineeringMechanics received the first priority. Furthermore, structural activities, such as the programmeof EM-graduate courses and the yearly Engineering Mechanics Symposium took place. Detailson these activities are described and documented in this Annual Report.

The first chapter contains general and aggregated information on the Graduate SchoolEngineering Mechanics. Outlined are the Engineering Mechanics’ field of research as well asthe organizational structure and the participating groups in the Research School. Furthermore,the selected research themes and the educational programme are presented. Finally, there is adescription of developments in 2000, a survey of the aggregated input and output for 2000 andan overview of the input and output per participating group for 2000.

In the subsequent chapters, the research documentation for 2000 is given in more detail pergroup, participating in the Research School. More specifically there is information on researchprogrammes related to the Research School Engineering Mechanics and on group membersinvolved. Furthermore, there is a survey of refereed scientific papers, dissertations completed,memberships of both editorial boards and international scientific committees, keynote lectures,awards and patents. Each chapter concludes with an overview of research input and output for2000 and with a summary of projects that take place in co-operation with other EM-groups.

Finally, there are three appendices with information on both completed and ongoing researchand with addresses of the research groups involved. Appendix A contains the summaries of thedissertations that were completed in 2000 within the context of the Research SchoolEngineering Mechanics, whereas appendix B summarizes information per research theme.Appendix C gives an overview of actual addresses of participating research groups and theirstaff.

Annual Report Engineering Mechanics 2000 1.1

1. GENERAL INFORMATION

1.1 Introduction

To stimulate and coordinate research and education in The Netherlands in the field ofEngineering Mechanics, the National Platform on Engineering Mechanics wasestablished in 1994. This platform prepared the proposal for a Research School onEngineering Mechanics, which was founded in the beginning of 1997 by the Boards ofthe Eindhoven and Delft Universities of Technology and the University of Twente, withthe Eindhoven University of Technology acting as the commissioner, locating thesecretariat. In June 1997 the Graduate School received a five-year accreditation by theRoyal Netherlands Academy of Arts and Sciences (KNAW). For 2001 a peer review ofthe activities of the Graduate School over this first period of operation by an internationalreview panel is scheduled and a request for renewal of the KNAW-accreditation will beprepared.

1.2 Outline of the field of Engineering Mechanics

Engineering mechanics is concerned with the description, analysis and optimization ofthe static and dynamic behavior of materials, products and processes. Solid mechanicsis at the heart of engineering mechanics, but is not necessarily identical with it.Traditionally, engineering mechanics is one of the fundamental cores of engineeringsciences such as Civil Engineering, Aerospace Engineering, Mechanical Engineeringand Marine Technology.In the pre-computer era, developments in engineering mechanics focused mainly onoften very ingenious analytical solutions for idealized models, such as elastic beam andplate structures or mass-spring-damper systems with small numbers of degrees offreedom. The advent of modern computers provided completely new challenges andperspectives for the engineering mechanics field. A major step was the development ofthe finite element method after the Second World War, which enabled the prediction ofthe mechanical behavior of geometrically complex structures by means of numericalmethods. In the early days, the application of the finite element method was restricted toelastic materials and small deformations. More recently, it has become possible toaccount for inelastic materials behavior and large deformations, resulting in all kinds ofnonlinear phenomena.Contemporary developments of engineering mechanics include the following majordirections:

• Prediction of the structural material behavior from the internal structure of thematerial. This includes prediction of failure. The ultimate aim is to describe theentire route from material processing via manufacturing to product behavior bymeans of computer simulations.

• Prediction of the dynamic behavior of engineering systems with full account ofnonlinearities. This area is of crucial importance in many practical dynamicalsystems where friction, contact and other nonlinearities have a substantial effect onthe dynamic behavior.

• Optimization of products, processes and systems by means of computersimulations to tailor their mechanical behavior for the particular application. Here, itis assumed that the simulation of the mechanical behavior can be carried out in asufficiently accurate way, while the optimal design is traced numerically.


As a consequence of the above developments the traditional boundaries between solidand fluid mechanics are sometimes fading. This happens, for example, in the field ofmechanics of materials as well as in the area of acoustic radiation of structures. Inaddition, the interactions with other areas of engineering sciences, such as materialstechnology, thermodynamics and systems and control, become of increasingimportance. Finally, it is noted that the successful implementation of the above-mentioned developments in practical applications relies on prior experimental validationof the developed simulation tools. This requires an increasing interaction betweencomputational mechanics and experimental mechanics.

1.3 Objectives

The National Graduate School on Engineering Mechanics has been established with theaim to strengthen research and education in the field of engineering mechanics in TheNetherlands. The Graduate School EM intends to be a platform that, on the basis of anumber of selected research themes, fosters long-term knowledge and skills in theengineering mechanics field. Although operating primarily at a national level, thisplatform function is extended internationally through the selection and stimulation ofinternational collaborative research projects within the research themes.

Within the foregoing global objectives the following more specific objectives can beformulated:

• Training of Ph.D. students to become qualified independent researchers in the fieldof engineering mechanics according to international standards. To this end, a seriesof high-quality graduate courses is developed on specific subjects. The GraduateSchool also contributes to the two-year post-graduate programs in engineeringdesign.

• Coordination and tuning of the engineering mechanics research activities in theparticipating groups. Furthermore, the Graduate School aims at strengthening theavailable infrastructure for research in engineering mechanics. In this context a jointpolicy concerning expensive equipment is strived for, in particular for experimentalresearch facilities.

• Selection of the main research themes in engineering mechanics carried out withinthe Graduate School EM. These research themes are being characterized by astrong international position of the research in the Netherlands, while at the sametime they are of importance for Dutch industry and society.

• Coordination of contacts between university groups and industry, the GTIs andTNO.

• Strengthening of the international scientific position and the international visibility ofThe Netherlands in the engineering mechanics field.

• Strengthening of the profile of engineering mechanics as an essential basicdiscipline within the engineering sciences. This relates to teaching curricula inuniversities as well as research and funding agencies such as the GTIs, TNO, STWand FOM.


• Searching in an active way for problems to which engineering mechanics cancontribute.

The Graduate School EM is not involved actively in the distribution of research moneyover the participating groups. Within the participating universities, this is already done bythe Stevin Centre (TU/e), the Koiter Institute Delft (TUD) and the Twente Institute ofMechanics (UT), respectively. Research proposals to the European Community, STWand other funding agencies always require a strategic selection of the partners and teammembers that is very specific to the proposal. The Graduate School EM will not andcannot interfere in these matters as an organization.

The Graduate School EM does not intend to provide a general consultancy service inengineering mechanics. Regular engineering consulting firms exist that are wellequipped for standard problems in this field. It is possible, however, to assist individualgroups in solving specific problems that exceed the expertise of such consultingcompanies and that possess added value for the university (group) involved.

1.4 Organization

The organizational structure of the Graduate School ‘Engineering Mechanics’ issummarized in the following organigram:

Management team

Advisory Board

Scientific DirectorProf.Dr.Ir. R. de Borst

Local director TUDProf.Dr.Ir. R. de Borst

Local director TU/eProf.Dr.Ir. D.H. van Campen

Local director UTProf.Dr.Ir. H.Tijdeman

SecretariatMw. L.Neervoort-Sanders

General ManagerDr. J.J.M.Rijpkema

Board of Projectleaders

Governing Board

The Scientific Director is in charge of the day-to-day management of the GraduateSchool. Local Directors from the participating Universities assist him in this. Eindhovenas commissioner supplies extra support for general management and secretariat.

The Governing Board establishes the annual plans on research, education and financesof the Graduate School. They are advised on this by the Advisory Board, which consistsof representatives from industry and applied research institutes. The composition of theGoverning Board and the Advisory Board is as follows:


Governing Board Advisory BoardProf.Dr.Ir. D.H. van Campen (chairman),TU Eindhoven

Dr.Ir. P. van den Berg,Delft Geotechnics

Prof.Dr. J. Arbocz,TU Delft

Ir. G. Calis,Stork N.V., Naarden

Prof.Dr.Ir. M.G.D. Geers,TU Eindhoven

Dr. Ir. F.J. Klever,Shell Int. Exploration and Production B.V., Rijswijk

Prof.Dr.Ir. J. Huétink,UT Twente

Dr.Ir. B.M. Spee,NLR, Amsterdam

Ir. Drs. P.D. van der Koogh,TNO Automotive, Delft and SAI, TU Eindhoven

Drs. N.J.W. Thijssen,Corus Research & Development, IJmuiden

Prof.Dr.Ir. D.J.Rixen,TU Delft

1.5 Participants

The Graduate School ‘Engineering Mechanics’ was founded as an interuniversitaryGraduate School by the Eindhoven and Delft Universities of Technology and theUniversity of Twente. The Eindhoven University of Technology acts as thecommissioner, locating the secretariat. Co-operation takes place through three localinstitutes:• The Stevin Centre for Computational and Experimental Engineering Science at the

Eindhoven University of Technology (TU/e),• The Koiter Institute Delft at the Delft University of Technology (TUD),• The Twente Institute of Mechanics at the University of Twente (UT).

Each of them invokes the contributions of specific research groups, fifteen altogether:

University Department Group,Groupdirector(s)Engineering Dynamics,Prof.Dr.Ir. D.H. van Campen, Prof.Dr. H. Nijmeijer

Mechanical Engineering Control Systems Technology,Prof.Dr.Ir. J.J. Kok, Prof.Dr.Ir. M. Steinbuch

TU/e(Stevin Centre)

Systems Engineering,Prof.Dr.Ir. J.E.Rooda

Mechanical Engineering /Biomedical Engineering

Materials Technology, Prof.Dr.Ir. F.P.T. Baaijens,Prof.Dr.Ir. M.G.D. Geers, Prof.Dr.Ir. H.E.H. Meijer

Mathematics and ComputingScientific Computing,Prof. Dr. R.M.M. Mattheij

Science Applied Analysis,Prof.Dr.Ir. J. de Graaf

Aerospace EngineeringEngineering Mechanics (1),Prof.Dr.Ir. R. de BorstAerospace Structures and Computational Mechanics,Prof.Dr. J. ArboczMicromechanics of Materials,Prof.Dr.Ir. E. van der Giessen

TUD(Koiter Institute)

Design, Engineering andProduction

Structural Optimization and Computational Mechanics,Prof.Dr.Ir. A. van KeulenEngineering Mechanics (2),Prof.Dr.Ir. L.J. Ernst

Civil Engineering Computational Mechanics, Structural Mechanics andDynamics, Dr.Ir. L.J. Sluys

UT

Applied Mechanics and Polymer Engineering,Prof.Dr.Ir. A. de Boer, Prof.Dr.Ir. H. Tijdeman,Prof.Dr.Ir. J. Huétink, Dr.Ir. R. Akkerman

(Twente Institute ofMechanics)

Mechanical Engineering Tribology,Ir. W.E. ten NapelMechanical Automation,Prof.Dr.Ir. J.B. Jonker

On an annual basis contributions from Eindhoven (TU/e), Delft (TUD) and Twente (UT)amount to:


TU/e(fte)

TUD(fte)

UT(fte)

Total(fte)

Senior academic staff 10.6 7.1 4.7 22.4PhD 42.0 23.2 14.4 79.6*Postdocs 7.2 6.3 1.5 15.0Total 59.8 36.6 20.6 117

* Research input per PhD per year: 0.8 fte

More detailed information on the participating groups can be found in subsequentchapters of this Annual Report 2000.

1.6 Research themes

During the first period of five years, 1997-2001, the Graduate School ‘EngineeringMechanics’ concentrates the research on four research themes:

1. Computational MechanicsThis research theme is related to the potential of modern computing hardware forsolving problems in mechanics. Much attention is paid to optimal numericalprocedures and to large-scale computing. Important applications are in the field ofcrash simulation of vehicle systems, simulation of production processes, inparticular forming processes, as well as complex structures in civil engineering andaerospace engineering.

2. Mechanics of MaterialsThis research theme is related to the prediction of the material behaviour inengineering structures from the internal structure of the material. This includes theprediction of collapse. The interchange between numerical and experimentaltechniques is of major importance. Important applications are in the field ofbiomedical technology, concrete structures, ceramic materials and polymertechnology.

3. Structural DynamicsThis research theme is related to the dynamic behaviour of engineering structures.Particular attention is paid to nonlinear dynamics and fluid-structure-interaction. Alsoof importance is the interaction with control. Important applications are in the field ofrotating machinery, noise reduction and drive systems.

4. Structural MechanicsThis research theme is related to the development of design procedures based onreliability, as well as to structural optimization with respect to mechanical behaviour.Important applications are in the fields of biomedical technology (e.g. heart valves)and in the field of thin-walled structures.

Starting point in all research themes is modeling based on the foundations ofengineering mechanics. Based upon this modeling modern numerical and experimentaltools are developed enabling to solve problems in mechanics related to engineeringscience. Research groups participate, depending upon their expertise and affinity, inseveral themes:


GroupComputationalMechanics

Mechanicsof Materials

StructuralDynamics

StructuralMechanics

Engineering DynamicsControl Systems TechnologySystems Engineering

TU/e Materials TechnologyScientific ComputingApplied AnalysisEngineering Mechanics (1)Aerospace Structures andComputational MechanicsMicromechanics of Materials

TUD Structural Optimization andComputational MechanicsEngineering Mechanics (2)Computational Mechanics,Structural Mechanics andDynamicsApplied Mechanics and PolymerEngineering

UT TribologyMechanical Automation

A summary of information per research theme is presented in appendix B of this report.It contains lists of participating groups, actual PhD- and Twaio-projects per December2000 and dissertations completed in 2000.

1.7 Education

One of the goals of the Graduate School 'Engineering Mechanics' is the formation andeducation of graduate students to become independent researchers in the field of'Engineering Mechanics'. In accordance with this, the Graduate School offers a nationalfour years training programme for research students in the field of EngineeringMechanics. It consists of a programmatic part and a PhD-research project.

The programmatic part of the training programme covers about 20% of the four yearstraining’s programme. Part of it is formed by a joint series of graduate courses, in closeconnection with the selected research themes. The programme, successfully started in1998, consists of the following joint courses:

Spring 1998 Stability and collapse of thin-walled structures.Lecturers: Arbocz, RiksContents: Foundation of stability theory. Mathematical formulation of the stability problem:Continuous systems, Discrete systems. Computational tools: Local vs Global analysis,Asymptotic method vs full nonlinear solution, Prebuckling, Buckling and postbuckling analysis,Transient procedures. Numerical examples: The Esslinger experiment, Critical buckling load oflayered composite shells, Effect of imperfections, Effect of boundary conditions.

Fall 1998 Computational methods for material nonlinearities.Lecturers: De Borst, Sluys, GeersContents: The structure of nonlinear FE equations. Solution techniques for static analysis.Solution techniques for nonlinear dynamics. Basic notions in elastoplasticity. Computationalelastoplasticity. Continuum damage mechanics. Softening and localization. Higher ordercontinuum models. Linear visco-elasticity. Computational viscoplasticity.

Spring 1999 Forming processes.Lecturers: Baaijens, Huétink, Brekelmans, Geers, Peerlings, Roddeman, vd.Boogaard,GeijselaersContents Part 1, Finite Strain Experimental and Computational Mechanics: Introduction.Kinematics. Experimental techniques for large deformations. Force, stress, balance laws,constitutive equations. Elastic material behaviour. Implementation in FEM. Plasticity andadvanced constitutive models.Contents Part 2, Modelling of Forming Processes: Thermo-mechanical foundations. Sheet metalforming. Advanced numerical topics. Microstructural aspects. Bulk forming processes.


Fall 1999 Structural optimization and reliability.Lecturers: Etman, Van Keulen, Rijpkema, Sigmund, Schoofs, SchuëllerContents: Design optimization methods. Design sensitivity analysis. Approximation conceptsand respons surface methods. Reliability based design and optimization. Topology optimization.

Fall 2000 Micromechanics of materials.Lecturers: Van der Giessen, Van Mier, Oomens, OnckContents: Introduction. Homogenization in elastic solids. Homogenization in inelastic solids.Application: porous plastic materials. Crystal plasticity. Creep fracture. Quasi-brittle fracture ingeomaterials: concrete and rock. Lattice models. Fracture of heterogeneous materials.Experimental methods.

Spring 2001 Advanced dynamics of structures.Lecturers: Nijmeijer, Van Campen, Leine, de Boer, Tijdeman, Broer.Contents: Part 1: Structural Acoustics:Background on fluid-structure interaction. Theory on acoustics and acousto-elastic coupling.Finite Element Method. Boundary Element Method. Statistical Energy Analysis Method.Part 2: Nonlinear Dynamics:Introduction.Planar dynamical systems. Differential equations. Stability theory. Analytic methods. Numericalmethods. Dynamical systems and bifurcations. Chaos.

In the course of 2001 a new 3-years series of Graduate Courses will be developed,taking into account results from the extensive evaluation of the courses completed.

In addition to these joint courses the programmatic part contains an individual courseprogramme, with initial and post-initial courses selected from the programme offered atparticipating groups. Furthermore, participation in workshops and summer schoolsunder guidance of foreign visiting lecturers forms part of it even as practical work atforeign top-institutes.

The PhD-research project covers about 80% of the four-years training programme.Research topics are in connection with the research programme of the GraduateSchool. As the research approach within the Graduate School is thematically oriented,research students get the opportunity both to deepen their knowledge in the context oftheir own project and to broaden their vision on the research field as a whole.

1.8 General description of developments in 2000

2000 was a successful year for the graduate school EM. It was a year, in which thepriority was laid on the continuation of the research activities in the field of EngineeringMechanics. This resulted in the following overall output for 2000:

Scientific publications: refereed journals 127Scientific publications: refereed proceedings 120PhD theses 13

This output is documented in more detail in subsequent chapters of this Annual Report,whereas appendix A contains summaries of the dissertations completed.

To stimulate the exchange of information on ongoing research within the GraduateSchool, the yearly Engineering Mechanics Symposium took place on November 20th and21st in Rolduc, Kerkrade. More than a hundred members of the senior academic staffand PhD- and Twaio-students participating within the Graduate School EngineeringMechanics attended the meeting. Prof.Dr.-Ing. E. Ramm from the University of Stuttgart,Germany, presented a keynote lecture, entitled ‘Structural Optimization – TheInteraction of Form and Mechanics’. There were topic sessions on ‘Biomechanics’,‘Mechanics of Materials’ and ‘Vibrations and Noise’. Each topic session was introduced


by the session organizers, focussing on activities, trends, outlooks and perspectives ofthe field. Subsequent contributions reported on specific projects in more detail. Inconjunction to the oral presentations there was an Aio-presentation contest, awarding aprize for the best Aio-presentation at the symposium. Members of the jury were:Prof.Dr.Ir. A. de Boer (UT), Dr.Ir. C.W.J. Oomens (TU/e) and Dr.Ir. L.J. Sluys (TUD).Winners are Ir. G.Wells (TUD) and Ir. J. de Hart (TU/e). In two poster sessions about 50PhD- and Twaio-students who participate in the graduate school Engineering Mechanicspresented their current research project. This resulted in stimulating discussions onrunning projects. In conjunction to the poster session a poster contest was organized inwhich a jury selected the best three contributions. Members of the jury were Dr.Ir. P. vanden Berg (Delft Geotechnics), Ir.Drs. P.D. van der Koogh (TNO-Automotive and TU/e-SAI) and Drs. N.J.W. Thijssen (Corus R&D, IJmuiden). Winners are F.J.M. van derEerden (UT), C.A.J. Beijers (UT) and M.J. van der Horst (TU/e). The contributed postersare published in an information brochure and on the Internet-site of EngineeringMechanics, http://www.em.tue.nl.

In the framework of the three years’ programme of EM-graduate courses the course‘Micromechanics of Materials’ was organized in conjunction with the Priority ProgrammeMaterials Research (PPM) of the Netherlands Organization for Scientific Research(NWO). It took place, October 2-6, 2000 in resort hotel d’Amelander Kaap in Hollum,Ameland. The EM-team of lecturers consisted of Prof.Dr.Ir. E. van der Giessen,Prof.Dr.Ir. J.G.M. van Mier and Dr.Ir. C.W.J. Oomens. Furthermore, there were invitedlectures by international experts in the field: H. Böhm (TU Wien), W.A. Curtin (BrownUniversity), P.R. Onck (TUD), M. Ostoja-Starzewsky (Georgia Tech), P. Ponte Casteñada(Univ. of Pennsylvania) and V. Tvergaard (TU Denmark). From the total of 40 participantsin this course, nearly half originated from the Graduate School Engineering Mechanics.The course was evaluated systematically and results were discussed with lecturers andGoverning Board.

Furthermore, the following details for 2000 are worth mentioning:

• The joint research proposal ‘ADOPT: Sequential approximate design optimization,including uncertainties, discontinuities and discrete design variables’, carefullyprepared by participants from the research groups Engineering Dynamics (TU/e),Systems Engineering (TU/e) and Structural Optimization and ComputationalMechanics (TUD) was awarded with an exceptional postive rating by the TechnologyFoundation STW. The project contributes substantially to the co-operation betweenresearch groups participating in Engineering Mechanics.

• There was a meeting of the Advisory Board from the Graduate School EngineeringMechanics, on May 30, 2000. It took place at the Eindhoven University of Technologyand included a laboratory visit at the department of Mechanical Engineering. One ofthe main topics was the final formulation of a strategic plan for the Graduate School,in which the future strategy and directions of the Graduate School are made explicit.It will play an important role in the request for renewal of the KNAW-accreditation in2001.

• There was a meeting of the board of projectleaders, on November 21, 2000 in whichthe Third Engineering Mechanics Symposium was evaluated and plans for the FourthEngineering Mechanics Symposium, to be held November 18-20, 2001 in Rolduc,Kerkrade, were discussed. Furthermore, there was a debate on strategical issueswithin the Graduate School, such as the co-operation between the research groupsinvolved, the initiatives with respect to the Netherlands Mechanics Committee, NCM,


and the preparation, in 2001, of a peer review by an international review panel and arequest for renewal of the KNAW-accreditation.

• In conjunction with representatives from the J.M. Burgerscentrum, Research Schoolfor fluid dynamics, and the Royal Institution of Engineers in the Netherlands, KiVI,section Mechanics, a statement of policy was formulated to establish a NetherlandsMechanics Committe, NCM. It was accepted unanimously by Directors and theGoverning Board of the graduate school Engineering Mechanics in their meeting,November 2000.

• The Annual Report 1999 was published early 2000, with information on participatinggroups and with summaries of all EM-dissertations, completed in 1999. It wasdistributed among participants and relations of the Graduate School. In addition,there was a continuous effort to keep the information on the Internet-site ofEngineering Mechanics (http://www.em.tue.nl) up-to-date.

• Prof.Dr.Ir. D.H. van Campen, chairman of the Governing Board and local directorTU/e of the Graduate School Engineering Mechanics, has been appointed SecretaryGeneral of the International Union on Theoretical and Applied Mechanics (IUTAM).

1.9 Aggregated input and output for 2000

1.9.1 Input related to EM, 2000

For 2000 the input, aggregated over all participating groups, amounts to:

Sources of financing1 Total1 2 3 number fte

Senior academic staff 90 3 2 95 22.4Supporting staff 17.5 3 - 20.5 -2

PhD 38 20.5 41 99.5 79.63

Twaio - - 1 1 -4

Postdocs 8 8 11 27 15Total 153.5 34.5 55 243 117

1 Sources of financing: 1: University;2: STW, SON, NWO, FOM;3: Industry, TNO, Brite-Euram, Nuffic, Min. Econ. Affairs, etc.

2 No research input involved for supporting staff.3 Research input per PhD per year: 0.8 fte4 No research input involved for Twaio-students because they perform a designers programme.

A subdivision of the input in fte over the participating Universities gives the followingresults:

TU/e(fte)

TUD(fte)

UT(fte)

Total(fte)

Senior academic staff 10.6 7.1 4.7 22.4PhD 42.0 23.2 14.4 79.6*Postdocs 7.2 6.3 1.5 15.0Total 59.8 36.6 20.6 117

* Research input per PhD per year: 0.8 fte


A subdivision of the PhD-projects per December 2000 over the four selected researchthemes results in the following:

EM research theme Number ofPhD-projects

Computational Mechanics 17.5Mechanics of Materials 42.0Structural Dynamics 25.5Structural Mechanics 14.5Total 99.5

Appendix B contains a summary of the actual PhD- and Twaio-projects per researchtheme.

1.9.2 Output related to EM, 2000

For 2000 the output, aggregated over all participating groups, amounts to:

Scientific publications: refereed journals 127Scientific publications: refereed proceedings 120PhD theses 13

A subdivision of the output over the participating Universities gives the following results:

TU/e TUD UT TotalScientific publications: refereed journals 63.5* 52.5* 11 127Scientific publications: refereed proceedings 45.5* 55.5* 19 120PhD theses 5 4 4 13

* Publications in co-operation between different EM-groups are equally divided over participating groups


1.10 Overview of input and output per participating group, 2000

In this section the 2000-input and the 2000-output per participating group aresummarized. Further details can be found in the description of individual groups insubsequent chapters. Aggregated results are reported in the preceding paragraph.

1.10.1 Input related to EM, 2000

GroupSenior

academic staffSupp.staff

PhD-partition PhD-totals Postdoc

Total

# fte # #PhD1 #PhD2 #PhD3 # fte fte fteEngineering Dynamics 13 3.0 4 3 4 6 13 10.4 2.3 15.7Control SystemsTechnology

5 0.5 2 1 1 3 5 4.0 0.4 4.9

Systems Engineering 3 0.7 0 0 1 0.5 1.5 1.2 0 1.9

TU/e Materials Technology 23 4.4 2 8 2 10 20 16.0 3.2 23.6

Scientific Computing 7 1.4 1.5 1.5 3.5 3 8 6.4 1.2 9.0

Applied Analysis 3 0.6 0 3 1 1 5 4.0 0.1 4.7

Engineering Mechanics (1) 3 1.3 2 5 3 1 9 7.2 0.9 9.4Aerospace Structures andComputational Mechanics

6 1.7 0 4 0 0 4 3.2 0 4.9

TUDMicromechanics ofMaterials

1 0.3 0 1 0 0 1 0.8 1.4 2.5

Structural Optimization andComputational Mechanics

2 0.8 0 3 0 3 6 4.8 0.8 6.4

Engineering Mechanics (2) 5 1.4 3 4 0 2 6 4.8 2.2 8.4Computational Mechanics,Structural Mechanics andDynamics

4 1.6 2 2 1 0 3 2.4 1.0 5.0

Applied Mechanics andPolymer Engineering

11 2.7 1 1 2 7 10 8.0 1.5 12.2

UT Tribology 5 1.4 3 1 2 3 6 5.6 0.0 6.2

Mechanical Automation 3 0.6 0 0.5 0 1.5 2 1.6 0 2.2


1.10.2 Output related to EM, 2000

Group Ref. journals Ref. proceedings PhD- thesesEngineering Dynamics 11+2* 11+2* 1

Control Systems Technology 4 7 0

Systems Engineering 0 2+2* 0

TU/e Materials Technology 32+5* 17+1* 2

Scientific Computing 8 5 2

Applied Analysis 5 1 0

Engineering Mechanics (1) 17+8* 8+5* 1Aerospace Structures and ComputationalMechanics

3 6 0

TUD Micromechanics of Materials 5+4* 4+3* 0Structural Optimization andComputational Mechanics

4 10 0

Engineering Mechanics (2) 7 13 1Computational Mechanics, StructuralMechanics and Dynamics

6+9* 7+7* 2

Applied Mechanics and PolymerEngineering

5 14 4

UT Tribology 6 2 0

Mechanical Automation 0 3 0

*In co-operation with other EM-groups.

1.11 Overview of co-operation between participating groups, 2000

One of the goals of the Graduate School Engineering Mechanics is the co-ordinationand combination of research activities of participating groups, taking into account thespecialism of the various groups. To promote this, co-operation between participatinggroups is stimulated. In 2000 the following joint projects received substantial input fromdifferent EM-groups:

Project Participating groupsADOPT: Sequential ApproximateDesign Optimization includinguncertainties, discontinuities anddiscrete design variables.

Engineering Dynamics (TU/e)Systems Engineering (TU/e)Aerospace Structures and Computational Mechanics (TUD)Structural Optimization and Computational Mechanics (TUD).

Swelling of Biological Tissues. Engineering Dynamics (TU/e)Materials Technology (TU/e)Scientific Computing (TU/e)

Discreted Decohesion Approachfor Concrete and OtherComposites.

Computational Mechanics, Structural Mechanics and Dynamics (TUD)Micromechanics of Materials (TUD).

Lubrication, Acoustics andVibrations of Roller Bearings.

Applied Mechanics and Polymer Engineering (UT)Tribology (UT)

Hybrid Isolation of StructureBorne Sound.

Applied Mechanics and Polymer Engineering (UT)Mechanical Automation (UT)

They account for a total research-input of 8.6 fte. Furthermore, co-operation betweenmembers from different participating groups resulted in a total of 24 joint publications inrefereed journals and proceedings. Further details are presented in the description ofindividual groups in subsequent chapters.

Research documentationper participating group


2. RESEARCH DOCUMENTATION OF THE GROUPENGINEERING DYNAMICS

1. University/Department.

Eindhoven University of TechnologyDepartment of Mechanical Engineering

2. Subprogrammes related to research school EM.

2.1 Nonlinear Dynamics of Mechanical Systems2.2 Structural Acoustics2.3 Structural Optimization2.4 Injury Biomechanics2.5 Cardiac Mechanics

3. Group directors.

Prof.Dr.Ir. D.H. van CampenProf.Dr. H. Nijmeijer

4. Senior academic staff: name, position, research input in fte related toresearch school EM.

Prof.Dr.Ir. D.H. van Campen full Professor, Chairman of the Governing Boardof the Research School EM

0.4

Prof.Dr. H. Nijmeijer full Professor (0.5)(Also participating in the EM-group “Control Systems Technology”)

0.2

Prof.Dr.Ir. T. Arts part-time Prof., main position at UM 0.1Prof.Dr.Ir. J.W. Verheij part-time Prof., main position at TNO-TPD 0.1Prof.Dr.Ir. J.S.H.M. Wismans part-time Prof., main position at TNO-

Automotive0.1

Dr.Ir. A. de Kraker UHD, Director Education MechanicalEngineering Program

0.3

Dr.Ir. A.A.H.J. Sauren UHD, Director Education BioengineeringProgram

0.1

Dr.Ir. P.H.M. Bovendeerd UD 0.4Dr.Ir. R. Happee part-time UD, main position at TNO-Automotive 0.1Dr. J.J.M. Rijpkema UD, General Manager Research School EM 0.2Dr.Ir. A.J.G. Schoofs UD (0.8) 0.3Dr.Ir. G. Verbeek UD (0.8) 0.3Dr.Ir. N. van de Wouw UD 0.4

Total fte: 3.0


5. PhD- and Twaio-projects related to research school EM per December2000: name, source of financing, project title and research theme EM.

5.1 Nonlinear Dynamics of Mechanical Systems

N. Mihajlovic, M.Sc. (PhD 1) Limit cycling in mechanical systems StDyA.V. Pavlov, M.Sc. (PhD 2) Robust regulation of complex dynamical

systemsStDy

Ir. B.L. v.d. Vrande (PhD 3) Nonlinear rotordynamics CoMe

5.2 Structural Acoustics

F.X. Debiesme, M.Sc. (PhD 3) Design tools for low noise products withuncertain parameters

StDy

Ir. W.J. Dijkhof (PhD 3) Analysis methods for low noise productswith uncertain parameters

StDy

Ir. P.H.L. Kessels (PhD 2) Noise reduction for MRI systems StMe

5.3 Structural Optimization

Ir. R.A. v. Rooij (PhD 2) Sequential approximate designoptimisation including uncertainties,discontinuities and discrete designvariables

StMe

5.4 Injury Biomechanics

Ir. H.L.A. v.d. Bosch (PhD 2) Modelling of helmet/head system underimpact

StMe

Ir. D.W.A. Brands (PhD 3) Wave propagation in brain tissue due toblunt impacts

StDy

Ir. M.J. v.d. Horst (PhD 1) Injury mechanisms in the neck due tocar crash

StMe

Ir. M.M. Verver (PhD 3) Virtual comfort analysis StMe

5.5 Cardiac Mechanics

Ir. L. Geerts-Ossevoort (PhD 1) Remodelling of the left ventricle StDyIr. R.C.P. Kerckhoffs (PhD 3) Dynamic shape changes of the heart StDy

6. Postdocs: name, country, project title, subprogramme, research theme EMand period of stay.

Dr.Ir. R.I. Leine, NL Numerical methods for non-smoothsystems, June 2000-December 2001

2.1 StDy

Dr. G. Santoboni, Italy Mathematical modelling and control ofconstrained mechanical systems,October 2000-April 2002

2.1 StDy

Dr. J. Zhang, China Non-linear rotor dynamics,October 1998-Februari 2001

2.1 StDy


7. Short description of subprogrammes related to research school EM.

The general objective of the research in this programme is to contribute to thedescription, analysis and optimization of the dynamic behaviour of materials, products,processes and systems in mechanical and bio-engineering.Starting from this general objective, a number of specific research areas have beenselected, associated with practical problem areas in mechanical and bio-engineering.These major research areas are:1. Nonlinear dynamics of mechanical systems2. Structural acoustics3. Structural optimization4. Injury biomechanics5. Cardiac mechanicsThe first two major research areas are mainly related to practical problem areas inmechanical engineering, whereas the major research areas 4 and 5 are mainly relatedto practical problem areas in bio-engineering. The major research area 3 (structuraloptimization), besides of being a research area in itself, provides a bridge with the othermajor research areas implying that it is combined with applications in these otherresearch areas.

7.1 Nonlinear Dynamics of Mechanical SystemsThe research in this area is concentrated on tool development for complex (multi-degree-of-freedom, abbreviated: mdof) mechanical systems with local nonlinearities.Within this theme, the following more specific research topics are investigated:a. Development of accessible (numerical) procedures for the steady-state response

under periodic excitation. In particular, a nonlinear dynamics toolbox with time-discretization and shooting methods and a path-following procedure has beenintegrated in the commercial finite element package DIANA and in the general-purpose package MATLAB. Nonlinear dynamics phenomena for mdof structuralengineering systems have also been studied by experiments on a laboratory scale.Applications to industrial systems (aircraft landing gear, solar array system, rotor-bearing systems, etc.) have been successfully carried out. Running research,financed by TNO, Shell and STW, is focused on complex rotor-bearing systems,impact-type of phenomena in nonlinear supporting structures and stick-slipselfsustained vibrations in drill strings. Also, system modelling with a view tointegration with control is a new research line. In this line, system reduction methodsand the use of essential nonlinear characteristics such as manifolds offer newperspectives.

b. A fairly new topic is the development of an efficient strategy in the case ofstochastic excitation. Even for moderate nonlinear mdof dynamic systems,stochastic linearization fails and only the very time-consuming Monte-Carlosimulation seems to remain. For an elementary laboratory system, the similarity hasbeen evaluated both numerically and experimentally between the broad-bandstochastic and the periodic response. This similarity can be used as a key toevaluate equivalent linear or equivalent nonlinear models of such strongly nonlinearsystems. Such models will be of major importance for application in engineeringpractice. Still a lot of fundamental and application-oriented research has to beperformed.

c. Additionally, increased attention is paid to parameter identification methods forspecific subsystems, e.g. roller-bearings as used in gear boxes. This information isvery important for the prediction of noise radiation by such subsystems.

In the future, the research in the above three topics is expected to tend to integrate,including the development of optimization strategies.Related to research themes “Structural Dynamics” and “Computational Mechanics”.


7.2 Structural AcousticsThe research in this area is concentrated on topics related to low-noise design. Theemphasis in recent years and in the forthcoming period will be on computationalmethods for application in design tools in an engineering environment:a) By recent research the group has made significant progress in realizing fast

computational tools for the vibrations and sound radiation of (nearly) axi-symmetricstructures. The primary application of this work, financed by STW, is low-noisedesign of Magnetic Resonance Imaging systems. However, other applications, e.g.in the areas of wheel noise from trains or sound radiation of carillon bells are ofinterest as well. The research is split into modelling of the vibrations ofinhomogeneous, but (nearly) axisymmetric structures under non-axisymmetricloading, and of their sound radiation. Those sub-topics are being joined together innumerical optimization procedures, which are adapted for a designer’s environment.Interested users of these tools are currently found at Philips Medical Systems,Philips-Centre for Manufacturing Technolgy, TNO-Institute of Applied Physics andthe bearing company SKF.

b) A recently started research topic involving two PhD students is the modelling of andoptimization of ‘uncertainty’ in structural vibrations and the associated soundradiation. Important examples for low-noise design are road vehicles, railwaycarriages, aircraft, ships and MRI-scanners. With respect to structural-acousticmodelling, these examples have two characteristic problems in common. These arethe enormous size of numerical models needed to describe their physics correctlyand their ‘uncertainty’ behaviour. The first topic refers to the frequency range inwhich structural wavelengths are small compared to the characteristic geometricaldimensions. The latter characteristic means that nominally identical structures showa large and rather unpredictable scatter in acoustic behaviour. This is true for newproducts and may even increase after some years of use. Therefore, much interestis shown in improving predictive capabilities and in optimization for ‘robust designs’,i.e. designs which do not deteriorate easily during their life cycle. TNO-Institute ofApplied Physics participates significantly in this long-term research and industrialpartners will be sought as well.

Related to research themes “Structural Dynamics” and “Structural Mechanics”.

7.3 Structural OptimizationThe research in this area concerns the development of tools for the optimization of thedynamic behaviour of constructions with respect to design parameters. Particularattention is paid to the development and utilization of approximation concepts in theoptimization process. The origin of the research in this area in our group concerns thestructural optimization of linear mechanics problems such as the famous major-thirdcarillon bell problem. During the last years, gradually more complex problems instructural optimization are being tackled, characterized by (geometrically) nonlinearmechanical behaviour, time-dependent behaviour and multi-disciplinarity of theproblems. In this context we mention the development of a multidisciplinary designoptimization tool based upon approximation concepts within a PhD-project under theEEC BRITE-EURAM program (project OPTIM), which has been applied to fluid-structureinteraction problems in engineering, and to sound radiation problems. Another PhD-project was devoted to the development of optimization tools for multibody systemsusing approximation concepts. These tools were tested and applied to mechanisms,wheel-axle suspension systems of trucks and car crashworthiness design problems. Inthe context of a TWAIO-project a gymnastic vaulting board was modeled and optimizedaiming to reduce injury risks of gymnasts. Within a PhD-project carried out in co-operation with Maastricht University, modeling of the muscle fiber orientation of thehuman heart was supported using design optimization techniques. Additionally,optimization contributions were made to an STW-project on magnetic resonance


imaging systems. Last but not least, also the bell optimization topic was continued, inparticular the optimization of the acoustic damping and sound radiation, thedevelopment of improved major-third carillon bells, and the modeling and optimization ofthe tuning process of bells.In co-operation with the Systems Engineering group from Eindhoven and the StructuralOptimization and Computational Mechanics group from Delft an inter-university researchproject ‘ADOPT: Sequential Approximate Design Optimization including uncertainties,discontinuities and discrete design variables’ has been started. It was awarded by theTechnology Foundation STW. The aim of the project is to develop design optimizationtools for problems exhibiting simultaneously discrete design variables, uncertainties, anddiscontinuous response functions. Applications are foreseen in the design of multibodysystems, composite structures and manufacturing systems.Related to research themes “Structural Dynamics” and “Structural Mechanics”.

7.4 Injury BiomechanicsThe aim of the injury biomechanics research is to provide or improve insight into themechanisms through which a transient load (contact force or acceleration) on the humanbody results into injury, and, eventually, to use this insight to set up guidelines forprotection measures and to improve injury diagnosis and treatment. Essential for ourunderstanding of the injury mechanisms is knowledge of the regional tissue load withinthe tissue. Since experimental assessment of regional load is very difficult for technicaland ethical reasons, numerical modelling is used. The injury mechanics research iscarried out in close cooperation with TNO Crash Safety Centre and is also sponsored byFord Motor Company.Initially, the research was focussed on the human head and neck. Considering the headresearch, in a PhD project, completed in 1997, a three-dimensional finite element modelof skull and brain was constructed. Subsequently, this model was used within theADRIA-project, sponsored by the EC. Aim was to reconstruct local brain loads in real-world accidents and correlate these loads with medical data on the victims brain damagein an attempt to elucidate brain injury mechanisms.In a subsequent PhD project, sponsored by TNO-Prins Maurits Laboratory, a newconstitutive model for brain tissue is developed, which is capable to capture thenonlinear viscoelastic behaviour of the tissue, as measured in our laboratory, for strainsup to 20% at frequencies up to 1 kHz. Moreover, we focus on the correct description, infinite element models, of propagation of pressure and shear waves in the brain. Forvalidation, the relation between global and regional load is studied experimentally inphysical models, mimicking the human head.In a PhD project, sponsored by STW, the protective functioning of helmets isinvestigated, and new guidelines are developed for design and testing of helmets. Here,the numerical head model is extended with a helmet model. Also, a novel physical headmodel is developed, containing a brain simulant, made of a silicone gel, in a flexibleskull. The behaviour of this head model is assessed in a testing facility, built incompliance with the ECE22R04-norm. Biplane X-ray is used to measure deformation ofthe artificial brain and skull.Turning to the neck injury mechanics research, current work builds on a PhD project,finished in 1996. Here, a three-dimensional mathematical model was developed fordescribing the dynamic behaviour of the neck in accident situations without headcontact. The model predicts loads in several neck tissues, i.e. intervertebral discs,ligaments and muscles.Current neck research focuses on experimental validation of this model. To this end,human volunteer sled tests are conducted at the Brain and Behaviour Institute ofMaastricht University. In the future rear-end impact conditions will be studied, becauseneck injuries (“whiplash”) often occur in these types of car accidents.Other projects started in 2000 include a PhD project on knee-joint injury mechanisms incar crashes and a PhD project on human body modelling for comfort The objective of


the knee-joint project is the development of a detailed model of the human knee-joint forthe reduction of injuries due to the interaction of the knee with the vehicle interior. Thecomfort project aims to develop a mathematical model for virtual evaluation of theinteraction between the human body and the seat in case of static and dynamic(automotive vibrations) conditions. In 2001 a PhD project dealing with thoracic injuries isplanned to start.Related to research themes “Structural Dynamics” and “Structural Mechanics”.

7.5 Cardiac MechanicsThe aim of the research in cardiac mechanics is, firstly, to analyse the relationshipbetween the pump function of the heart as a whole and the functioning of the individualmuscle cells in the cardiac wall, using experimentally validated mathematical models.Next, these models are used to obtain insight into the adaptation properties of cardiactissue, and to predict the short-term and long-term response of the heart to pathologicalor surgical interventions.Previous work has established the strong dependence of the spatial distributions of localwall stress and strain on the details of the muscle fibre orientation field. Fromoptimization for homogeneous spatial distribution of fibre strain during ejection, a fibrefield was predicted within the range of anatomical data.In reality, cardiac structure is the result of the adaptation of cells and connective tissueto the locally sensed mechanical loading. This local adaptation process will be simulatedin our numerical models of cardiac mechanics. Data on cardiac adaptation after inducedischemia, currently being obtained from experiments performed at Maastricht Universityand the in-vivo MR facility at Utrecht University, will be used for model testing.In cooperation with Medtronic, we focus on the role of cardiac pacemakers: how do theyinfluence cardiac contraction by interfering with the natural activation sequence andwhat mechanical loads do the pacemaker leads themselves experience in the beatingheart? To this end a geometrically realistic heart model is developed, which will betested using experimental data on cardiac deformation, supplied by John HopkinsUniversity, Baltimore, USA.To describe the relation between cardiac mechanics and chemistry, in a joint project withthe Institute of Cybernetics of Tallinn University (Estonia) a microstructural musclecontraction model is developed that allows for a natural coupling between mechanicsand chemistry. This model describes the generation and breakdown of force-generatingchemical bonds between actin and myosin proteins within the cell.The cardiac mechanics research is carried out in close cooperation with theCardiovascular Research Institute Maastricht and is also sponsored by Medtronic.Related to research themes "Mechanics of Materials", “Structural Mechanics” and“Structural Dynamics”.


8. Refereed scientific publications related to research school EM.

8.1 Refereed journals

Beer, F. G. de; Verheij, J. W.: Experimental contributions of pass-by noise from the bogies andsuperstructure of a freight wagon, Journal of Sound and Vibration, 231, 2000, pp. 639-652.

Brands, D.W.A.; Bovendeerd, P.H.M.; Peters, G.W.M.; Wismans, J.S.H.M.: The large shear strain dynamicbehaviour of in-vitro porcine brain tissue and a silicone gel model material. Stapp Car Crash Journal, Vol.44, 2000, pp. 249-260. (In co-operation with the group "Materials Technology".)

Egmont-Petersen, M,; Schreiner, U.; Tromp, S.C.; Lehmann, T.; Slaaf, D.W.; Arts, T.: Detection ofleukocytes in contact with the vessel wall from in vivo microscope recordings using a neural network. IEEEBio Med Eng 47: 2000, pp. 941-951.

Gielen, A.W.J.; C.W.J. Oomens, P.H.M. Bovendeerd, M.G.J. Arts, J.D. Janssen: A Finite Element Approachfor Skeletal Muscle using a Distributed Moment Model of Contraction. Comp. Meth. Biomech. & Biomed.Engng., 3, 2000, pp.231-244 (In cooperation with the group “Materials Technology”.)

Janssens, M. H. A.; Verheij, J. W.: A pseudo-force methodology to be used in characterization of structure-borne sound sources, Applied Acoustics 61, 2000, pp.285-308

Leine, R.I.; Campen, D.H. van; Vrande, B.L. van de: Bifurcations in nonlinear discontinuous systems,Nonlinear Dynamics, Vol. 23, No. 2, 2000, pp. 105-164.

Overdijk, D.A.; Wouw, N., van de; Kraker, A. de: Alternative Methods in Spectral Factorization. A Modellingand Design Tool. ZAMM, Vol. 81(2), 2000, pp. 140-144.

Philippens, M.; Wismans, J.; Yoganandan, N.; Pintar, F.A.; Stemper, B.D.; Schlick, M.B.: Biomechanics ofhuman occupants in simulated rear crashes: documentation of neck injuries and comparision of injurycriteria, Stapp Car Crash Journal vol. 44 (SAE P-362), 2000, pp. 189-204

Vendelin, M.; Bovendeerd, P.H.M.; Arts, T.; Engelbrecht, J.; Campen, D.H. van: CardiacMechanoenergetics Replicated by Cross-Bridge Model, Annals of Biomedical Engineering Vol. 28, 2000,pp. 629-640.

Chapters in book; Edited books

Kraker, A.; Spek, J.A.W. van der; Campen, D.H. van: Extensions of cell mapping for discontinuous systems;In: Applied Nonlinear Dynamics and Chaos of Mechanical Systems with Discontinuities; Eds. M.Wiercigroch and A. de Kraker, World Scientific Series on Nonlinear Science, Series A,. Vol. 28, Chapter 4,2000, pp. 155-176.

Kraker, A. de; Vrande B.L. van de; Campen, D.H. van: Multi-degree-of-freedom systems with dry friction; In:Applied Nonlinear Dynamics and Chaos of Mechanical Systems with Discontinuities; Eds. M. Wiercigrochand A. de Kraker, World Scientific Series on Nonlinear Science, Series A, Vol. 28, Chapter 12, 2000, pp.293-312.

Wiercigroch, M; Kraker, A. de (Eds.): Applied Nonlinear Dynamics and Chaos of Mechanical Systems withDiscontinuities, World Scientific Publishers. ISBN 9810229275, Singapore, 2000, 444 pp.

Wismans, J.S.H.M. (Ed.): Proceedings of the First European Vehicle Passive Safety Network Conference,Brussels, 2000, 105 pp.


8.2 Refereed proceedings

Beer, F. de; Verheij, J.W.: High power sound source with large coverage angle for use in reciprocityexperiments, Proceedings of the Seventh Congress on Sound and Vibration, Edited by G. Guidati, H. Hunt,H. Heller, A. Heiss, Garmisch-Partenkirchen, Germany, July 4-7, 2000, pp. 3235-3242.

Cappon, H.J.; Philippens, M.M.G.M.; Ratingen, M.R. van; Wismans, J.S.H.M.: Evaluation of dummybehaviour during low severity rear impact, IRCOBI Conference on the Biomechanics of Impact, September20-22, 2000, Montpellier, France; Ed. D.Cesari, pp. 53-66

Etman, L.F.P.; Abspoel, S.J.; Vervoort, J; Rooij, R.A. van; Rijpkema, J.J.M.; Rooda, J.E.: Multipoint LinearApproximations for Stochastic Chance Constrained Optimization Problems with Integer Design Variables;Proceedings of the 8th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis andOptimization, Long Beach, CA, USA, September 6-8, 2000, 7 pp. on CD-ROM, AIAA-2000-4761. (In co-operation with the group "Systems Engineering".)

Happee, R.; Ridella, S.; Nayef, A.; Morsink, P.; Lange R. de; Bours, R.; Hoof, J. van: Mathematical humanbody models representing a mid size male and a small female for frontal, lateral and rearward impactloading. IRCOBI Conference on the Biomechanics of Impact, September 20-22, 2000, Montpellier, France;Ed. D. Cesari, pp. 67-84

Jones, R.; Meier, M.; Diehl, R.; Jones, C.; Maderboeck, M.; Middleton, C.; Verheij, J.: Vehicle mountedshields and low trackside barriers for railway noise control in a European context, Proceedings Inter.Noise2000, Edited by Didier Cassereau, Nice 2000, pp. 667-672

Kuijpers, A.H.W.M.; Verbeek, G.; Verheij, J.W: Low noise design using radiation modes: The MRI-scanner,Proceedings of the Seventh Congress on Sound and Vibration, Edited by G. Guidati, H. Hunt, H. Heller, A.Heiss, Garmisch-Partenkirchen, Germany, July 4-7, 2000, pp. 2013-2020.

Philippens, M., Wismans, J., Cappon, H., Yoganandan, N.; Pintar, F.: “Whole body kinematics using postmortem human subjects in experimental rear impact”, IRCOBI Conference on the Biomechanics of Impact,September 20-22, 2000, Montpellier, France; Ed. D.Cesari, pp. 363-378

Rijpkema, J.J.M.; Etman, L.F.P.; Schoofs, A.J.G.; Metamodel Based Design Optimization Including DesignSensitivities; Proc. SMSMEO workshop, Lyngby, Denmark, November 16-18, 2000; Edited by Hans BruunNielsen, 13 pp. (In co-operation with the group "Systems Engineering".)

Schoofs, A.J.G.; Campen, D.H. van: Analysis and Optimization of Bell Systems; Proc. of the 11th WorldCarillon Congress, Mechelen-Leuven, 9-13 August, 1998, Edited by L.Rombouts, 2000, pp. 208-227.

Schoofs, A.J.G.; Kessels, P.J.L.; Kuijpers, A.H.W.M.; Houten, M.H. van: Sound and Vibration Optimizationof Carillon Bells and MRI scanners; Proc. of the International Workshop on Multidisciplinary DesignOptimization, 7-10 August, 2000, Pretoria, South Africa, Edited by J.Snyman and K.Craig, pp. 230-239.

Wismans, J.: Whiplash: reduction of neck injuries and their societal costs in rear end collisions, In:Proceedings of the First European Vehicle Passive Safety Network Conference, March 22, 2000, Brussels,Belgium; Ed. J.Wismans, pp.80-84

Wouw, N. van de; Nijmeijer, H.; Campen, D.H. van: Statistical bilinearization in stochastic nonlineardynamics; Proc. Second Int. Conf. on Control of Oscillations and Chaos, St. Petersburg (Russia), 5-7 July,2000, Eds. F.L. Chernousko and A.L. Fradkov, pp. 394-399.

Zhang, J.-Z.; Campen, D.H. van; Zhang, K.; Bouwman, V.; Weeme, J.-W. ter: Dynamic stability of doublycurved orthotropic shells under impact. Proc. 41th AIAA/ASME/ASCE/AHS/ASC Conf. on Structures,Structural Dynamics, and Materials, Atlanta, USA, 3-6 April, 2000, paperno. AIAA-2000-1751, 8 pp.


9. Dissertations: related to research school EM: name, title, university, dateand advisors.

Name: Leine, R.I.Title: Bifurcation in Discontinuous Mechanical Systems of the Filippov-Type

Eindhoven University of Technology, June 2000.Advisors: Prof.Dr.Ir. D.H. van Campen and Prof.Dr. H. NijmeijerCo-advisor: Dr.Ir. A. de Kraker

10. Membership editorial boards international journals.

Prof.Dr.Ir. D.H. van Campen:• Contributing Editor Multibody Systems Dynamics• Member Advisory Board Nonlinear Dynamics

Prof.Dr.Ir. J.W. Verheij:• Member Editorial Board Int. Journal of Acoustics and Vibration• Member Editorial Board of E-mail Noise and Vibration Digest• Member Editorial Board Handbook of Noise and Vibration Control (to be published

by John Wiley & Sons, New York)

Prof.Dr.Ir. J.S.H.M. Wismans:• Member SAE Readers Cie (SAE Transactions)• Member Editorial Board, J. of Crashworthiness

11. Keynote lectures and seminars.

Prof.Dr.Ir. T. Arts:• World Congress Medical Physics, Chicago, USA, 26 July, 2000.

Prof.Dr.Ir. D.H. van Campen:• Int. Conf. Mathematics, Informatics and Control 2000, Irkutsk, Russia, 7-14 July,

2000.

Dr. J.J.M. Rijpkema:• CISM Advanced School on “Emerging Methods for Treating Multidisciplinary

Optimization Problems”, Udine, Italy, June 5-9, 2000

Dr.Ir. A.J.G. Schoofs:• CISM Advanced School on “Emerging Methods for Treating Multidisciplinary

Optimization Problems”, Udine, Italy, June 5-9, 2000

Prof.Dr.Ir. J.S.H.M. Wismans:• Crash Tech, May 18-19 2000, Munich, Germany.• European R&D and the European regulatory process and Rear impact developments:

the 10th anniversary seminar of FTSS Japan, 17-18 Oct, 2000.• CISM Advanced School on “Energy Management and Occupant Protection

Emerging”, Udine, Italy, September 11-15, 2000.


12. Membership international scientific committees.

Prof.Dr.Ir. D.H. van Campen:• Secretary-General of the International Union on Theoretical and Applied Mechanics

(IUTAM) since November 2000.• Member Scientific Committee of International Conference on Advanced Problems in

Vibration Theory and Applications, Xi’an (China), 28-30 May 2000 (on behalf ofIUTAM).

• Member International Papers Committee of the 20th ICTAM (IUTAM WorldCongress) in Chicago (USA), August 2000.

• Main Chairman (main organizer) Prenominated Session on Control of Structures atthe 20th ICTAM (IUTAM World Congress) in Chicago (USA), August 2000.

• Main Organizer Symposium on Nonlinear Dynamics and Control in EngineeringSystems at the 2001 ASME 18th Biennial Conference on Mechanical Vibration andNoise, Pittsburgh, (USA), 9-12 September, 2001.

• International member Scientific Committee for Mechanical Engineering, Electricity &Electronics of the Belgium Foundation for Scientific Research since 1992.

Dr.Ir. R. Happee:• Organisation Digital Human Modelling Conference (1999, 2000, 2001)

Prof.Dr.Ir. J.W. Verheij:• Member Scientific Committee of:

Seventh Int. Congress on Sound Vibration, Garmisch-Partenkirchen, Germany, 4-7July, 2000.

• ISMA 25, Internation. Conference on Noise and Vibration Engineering, Leuven,Belgium, 13-15 Sept. 2000.

• Secretary of the International Institute of Acoustics and Vibrations.

Prof.Dr.Ir. J.S.H.M. Wismans:• Board member IRCOBI (International Research Council for Biomechanics of Impacts)• Organiser of the First European Vehicle Passive Safety Network Conference, March

2000, Brussels• Member Advisory Board Stapp Car Crash Conference• Chairman Working Group 12 of the “European Enhanced Vehicle Safety Committee”

(EEVC) on advanced adult crash dummies• European representative in the IHRA-Biomechanics working group (International

Harmonised Research Agenda on injury biomechanics)

13. Awards and patents.

-----


14. Overview of research input and output.

14.1 Input “Engineering Dynamics” related to EM, 2000


Senior academic staff 11 2 - 13 3.0Supporting staff 3 1 - 4 -2

PhD 3 4 6 13 10.43

Twaio - - - - -Postdocs 1 2 - 3 2.3

Total 18 9 6 33 15.71 Sources of financing: 1: University

2: STW, SON, NWO, FOM, EM3: Industry, TNO, Brite-Euram, Nuffic, Min. Econ. Affairs, etc.

2 No research input involved for supporting staff.3 Research input per PhD per year: 0.8 fte

14.2 Output “Engineering Dynamics” related to EM, 2000

TotalScientific publications: refereed journals and Books 11+2*Scientific publications: refereed proceedings 11+2*PhD theses 1

* In co-operation with other EM-groups.

15. Co-operation with other EM-groups: project title, participating groups,participants and research input in fte.

Project Title: ADOPT: Sequential Approximate Design Optimization includinguncertainties, discontinuities and discrete design variables.

Participating Groups: Engineering Dynamics (TU/e), Systems Engineering (TU/e),Aerospace Structures and Computational Mechanics (TUD),Structural Optimization and Computational Mechanics (TUD).

Participants: Dr.Ir. L.F.P.Etman (TU/e), Ir. J.H. Jacobs (TU/e),Prof.Dr.Ir. A.van Keulen (TUD), Dr. J.J.M. Rijpkema (TU/e),Ir. R.A. van Rooij (TU/e), Dr.Ir. A.J.G.Schoofs (TU/e),Ir. K. Vervenne (TUD).

Research Input in fte: 2.4

Project Title: Swelling of Biological TissuesParticipating Groups: Engineering Dynamics (TU/e)

Materials Technology (TU/e)Scientific Computing (TU/e)

Participants: Prof.Dr.Ir. T. Arts, Prof.Dr.Ir. F.P.T.Baaijens, Ir. A. Frijns, Dr.Ir.J.M. Huyghe, Dr. E.F. Kaasschieter, Prof.Dr. R.M.M. Mattheij,Ir. M.M.Molenaar



3. RESEARCH DOCUMENTATION OF THE GROUPCONTROL SYSTEMS TECHNOLOGY1

1. University/Department



2.1 Motion Systems & Nonlinear Dynamics2.2 Automotive Systems

3. Group directors.

Prof.Dr.Ir. J.J. KokProf.Dr.Ir. M. Steinbuch


Prof.Dr.Ir. J.J. Kok full Professor (0.8) 0.1Prof.Dr.Ir. M. Steinbuch full Professor 0.1Prof.Dr. H. Nijmeijer full Professor (0.5)

(Also participating in the EM-group “Engineering Dynamics”)0.1

Dr.Ir. H.A. van Essen UD 0.1Ir. P.W.J.M. Nuij UD 0.1

Total fte: 0.5

5. PhD- and Twaio-projects, related to research school EM per December2000: name, source of financing, project title and research theme EM.

5.1 Motion Systems & Nonlinear Dynamics

D. Putra, M.Sc. (PhD 1) Control of Limit Cycles StDyA. Rodriguez, M.Sc. (PhD 2) Synchronization of mechanical systems StDy

5.2 Automotive Systems

Ir. R.J. Hesseling (PhD 3) Passive Car Safety StDyIr. A.F.A. Serrarens (PhD 3) Optimal control of hybrid drivelines StDyIr. B.G. Vroemen (PhD 3) Modelling and control of driveline

componentsStDy

1 Former groupname: Systems and Control



Dr. M. Lemmen, Germany Nonlinear modelling,March 1999 – March 2001

2.1 StDy

Dr. S. Shen, China Simulation of CVT,Sept. 1999 – Sept. 2001

2.2 StDy

7. Short description of the subprogrammes related to research school EM.

7.1 Motion Systems & Nonlinear DynamicsMobile, autonomous, structures are very attractive for numerous application areas(space travelling, mail delivery, cleaning, inspections in hazardous environments etc.).Apart from mechanical design issues, these systems exhibit specific control challenges,especially because the systems are often underactuated and not enough accuratemeasurement information is available. The aims for this subprogramme, initiated in2000, are:(i) development of an experimental set-up for validation of (theoretical) non-linear

control concepts,(ii) development and validation of non-linear models, controllers, and observers,(iii) development of a representative demonstration object for mobile and underactuated

mechanical structures.Given the industrial situation in the local area, and given the position of related researchgroups in the TU/e-department of Mechanical Engineering, more detailed and innovativeresearch is now planned for design and control of motion systems. The research topicsto be emphasised in particular are use of distributed actuators and sensors (in co-operation with the Precision Technology and Power Transmission and Tribology), aswell as active materials (in co-operation with the Materials Technology group) in thecontrol of complex mechanical systems with nanometer precision requirements.Furthermore, a new project on synchronisation of nonlinear systems was started.Fundamental methods are investigated for the design of synchronising mechanicalsystems, and the robustness and stability of synchronised controllers are studied.Synchronisation, or co-ordination as it is often called, is relevant in various mechanicalsystems, for instance in case two or more robots are asked to work in synchrony.Related to the research theme "Structural Dynamics".

7.2 Automotive SystemsOne of the projects within this subprogramme concerns the control of a hybrid driveline. It concentrates on the development of a hybrid drive line with an internalcombustion engine, a flywheel and a continuously variable transmission (CVT). The aimof the research is to achieve a significant reduction in fuel consumption and in exhaustgas emissions without a decrease in comfort or driveability. Models are developed andused for the design of local controllers for the CVT and the clutches. An advanced testbench is realized. The analysis of many possible layouts for the hybrid drive line hasresulted in a practical, more or less optimal layout. The design and manufacturing of thecomponents (flywheel, clutches and fixed ratio transmissions) is finished. The hybriddrive line has been realised in a commercially available car. For the control of the totalsystem a drive line manager (DLM) is developed and tested, using an advanced model.The research is sponsored by the Dutch governmental programme EET (Economy,Ecology and Technology). Partners in the project are Van Doorne’s Transmissie, TNOAutomotive and the TU/e (groups Control Systems Technology and PowerTransmissions & Tribology). The project started mid 1997 and will continue until 2001.


Research is initiated on alternative drives for CVT, and advanced methods for slipdetection.In 1999 a new project started on passive car safety systems. Such systems are forinstance air-bags and safety belts. The project is a co-operation with BMW, and isfocussed on the possible use of active control (feedback/feedforward) elements inpassive safety systems. During this initial phase of the project a start was made withmodelling the occupant dynamics and that of airbag and belt using elementary models.Future work will be concentrated on design of control (structures) and using moreelaborate models.Related to the research theme "Structural Dynamics".


8.1 Refereed journals

Cruz, C.; Nijmeijer, H.: Synchronization through filtering, International Journal of Bifurcation and Chaos,vol.10, 2000, pp.763-775.

Fradkov, A.L.; Nijmeijer, H.; Markov, A.: Adaptive observer-based synchronization for communication,International Journal of Bifurcation and Chaos, vol.10, 2000, pp. 2807-2813.

Huijberts, H.J.C.; Nijmeijer, H.; Willems, R.M.A.: Regulation and controlled synchronization for complexdynamical systems, International Journal of Robust and Nonlinear Control, vol.10, 2000, pp. 363-377.

Chapter in book

Huijberts, H.J.C.; Nijmeijer, H.: An observer view on synchronization, in Nonlinear Control in the Year 2000,A.Isidori, F.Lamnabhi-Lagarrigue and W.Respondek (eds.), Lecture Notes in Control and InformationSciences vol 258, Springer Verlag, Berlin, 2000, pp. 509-520.


Cruz, C.; Nijmeijer, H.; Aguilar, A.: Synchronization of a noisy Chua circuit, Proceedings Int.Congress onControl and Digital Instrumentation CIC-INDI2000, Mexico, 2000, Ed.: Virgilio López Morales, 7 pp. on CD-ROM.

Nijmeijer,H.: A dynamical control view on synchronization, 3rd International Symposium Investigation ofnonlinear dynamic effects in production systems, Cottbus, 2000, Ed.: B.Scholz-Reiter, paper 13, 11 pp.

Serrarens, A.F.A.; Veldpaus, F.E.: New concepts for Control of Power Transients in Flywheel assisteddrivelines with a CVT, Proc. FISITA World Automotive Congress 2000, Seoul, 12-15 June, 2000; Ed.: SukHo Chung, Paper F2000A129; 6 pp. on CD-Rom

Serrarens, A.F.A.: Driveability Control of the ZI Powertrain; Seminar on Integrated Powertrains and theirControl, Bath, 19 September, 2000, Publ. IMECHE, Ed. Nick Vaugan, third paper, 6pp.

Shen, S.; Serrarens, A.F.A.; Veldpaus, F.E.: Control of a hybrid driveline for fuel economy and driveability,Proc. of the 5th Internat. Symp. on Advanced Vehicle Control, (Ann Arbor, MI), Aug. 2000, Ed.: J.K.Hedrikand A.Alleyne, pp. 469-475.

Vroemen, B.G.; Serrarens, A.F.A.; Veldpaus, F.E.: CVT control: A hierarchical approach, Proc. of the 5thInternat. Symp. on Advanced Vehicle Control, (Ann Arbor, MI), Aug. 2000, Ed.: J.K.Hedrik and A.Alleyne,pp. 619-627.

Vroemen, B.G.; Veldpaus, F.E.: Control of a CVT in a flywheel assisted driveline, in FISITA WorldAutomotive Congress, (Seoul, Korea), June 2000, Ed.: Suk Ho Chung, paper no. F2000 A133; 6 pp. onCD-ROM.



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Prof.Dr. H. Nijmeijer:• Associate editor AUTOMATICA• Corresponding editor SIAM J Control Optimization• Subject editor International J. of Robust and Nonlinear Control• Guest editor International J. of Robust and Nonlinear Control Special Issue “Control

of underactuated nonlinear systems”• Member Editorial Board J. of Applied Mathematics Computer Science• Member Editorial Board J. of Dynamical Control Syst• Member Editorial Board International J. of Control• Member Editorial Board J. of Stability and Control• Member Editorial Board European Journal of Control• Editor Journal of Applied Mathematics

Prof.Dr.Ir. M. Steinbuch:• Editor-at-Large European Journal of Control• Associate editor Journal A• Associate editor IEEE Control Systems Magazine


Prof.Dr. H. Nijmeijer:• An observer looks at synchronization, Technische Universitaet Hannover, 26 June,

2000.• Recent developments in nonlinear observer design, 50th Canadian Chemical

Engineering Conference, Montreal, 16 October, 2000.• A dynamical control view on synchronization, 3th Int. Symposium 'Investigation of

nonlinear effects in production systems, Cottbus, 26 September, 2000.• An observer view on synchronization,2nd Meeting Nonlinear Control Network, Paris,

7 June, 2000.

Prof.Dr.Ir. M. Steinbuch:• Safe Tech: a control oriented viewpoint, 19th International Conference on Computer

Safety, Reliability and Security Safecomp 2000, Rotterdam, October 2000.• A control oriented viewpoint on model reduction, Belgium PhD course program,

Louvain la Neuve, September 2000.



Prof.Dr. H. Nijmeijer:• Member IPC Controlo 2000, Porto (Portugal)• Member IPC Control 2000, (UK)• Member IPC COC 2000, St. Petersburg (Russia)


Prof.Dr. H. Nijmeijer:• As of 1 January 2000 elected to the grade of Fellow of the Institute of Electrical and

Electronics Engineers (IEEE). The citation for the fellowship reads “Forcontributions to the theory and application of nonlinear control system design”.

Ir. B.G. Vroemen, Ir. A. Serrarens:• Druten, R.M. van; Mussaeus, M.A.; Vroemen, B.G.; Serrarens, A.F.A; Veenhuizen,

P.A.: Vehicle drive assembly, patent no. WO 09955549A1, 21 April, 2000.• Druten, R.M. van; Mussaeus, M.A.; Vroemen, B.G.; Serrarens, A.F.A; Veenhuizen,

P.A.: Transmission system, especially for a motor vehicle, patent no. WO09956039A2, 24 April, 2000.


14.1 Input “Control Systems Technology” related to EM 2000


Senior academic staff 5 - - 5 0.5Supporting staff 2 - - 2 -2

PhD 1 1 3 5 4.03

Twaio - - - - -Postdocs 1 - 1 2 0.4

Total 9 1 4 14 4.91 Sources of financing: 1: University

2: STW, SON, NWO, FOM3: Industry, TNO, Brite-Euram, Nuffic, Min. Econ. Affairs, etc.

2 No research input involved for supporting staff.3 Research input per PhD per year: 0.8 fte

14.2 Output “Control Systems Technology” related to EM 2000

TotalScientific publications: refereed journals and books 4Scientific publications: refereed proceedings 7PhD theses -



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4. RESEARCH DOCUMENTATION OF THE GROUPSYSTEMS ENGINEERING



2. Subprogramme related to research school EM.

2.1 Optimization of Industrial Systems

3. Group director.

Prof.Dr.Ir. J.E. Rooda


Prof.Dr.Ir. J.E. Rooda full Professor 0.2Prof.Ir. D.C. Boshuisen part-time Prof., main position at TNO Industry 0.1Dr.Ir. L.F.P. Etman UD 0.4

Total fte: 0.7

5. PhD- and Twaio-projects per subprogramme related to research school EMper December 2000: name, source of financing, project title and researchtheme EM.

5.1 Optimization of Industrial Systems

Ir. E.J.J. van Campen (PhD 3) Design of multi-product multi-processsemiconductor wafer fabs

StDy

Ir. J.H. Jacobs (PhD 2) ADOPT: Simulation based optimizationof manufacturing systems

StDy


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7. Short description of subprogramme related to research school EM.

7.1 Optimization of Industrial SystemsIn this subprogramme optimization methods are investigated that enable tosystematically design and improve complex industrial systems. Numerical designoptimization tools are developed that can deal with typical governing characteristicsincluding a mix of continuous and discrete design variables, stochastic design variablesand responses, transient dynamic behavior, computationally expensive computersimulations, and possibly non-linear dynamic phenomena. Within this context thedevelopment and utilization of approximation concepts plays a central role. Due to theincreasing complexity of industrial systems, the contribution of the dynamic behavior tothe optimization problem formulation will have our interest. This includes thedevelopment of suitable response measures that can quantify the combined dynamicand stochastic behavior. Semiconductor industry is a main field of application.Related to research themes "Structural Mechanics" and "Structural Dynamics".



Abspoel, S.J.; Etman, L.F.P.; Vervoort, J.; Rooda, J.E.: Simulation optimization of stochastic systems withinteger variables by sequential linearization. In: Proc. 2000 Winter Simulation Conference, Orlando, FL, 10-Dec 13, 2000, Ed. by J.A. Joines, R.R. Barton, K. Kang, P.A. Fishwick, CD-rom and printed edition, 10 pp.

Campen, E.J.J. van; Govaarts, T.: Implementation of APF in MOS4YOU. In: SimCon Symposium onSemiconductor Manufacturing, Gent, Belgium, Feb 7-11, 2000, Ed.: B.Mahy, 6 pp.

Etman, L.F.P.; Abspoel, S.J.; Vervoort, J.; Rooij, R.A. van; Rijpkema, J.J.M.; Rooda, J.E.: Multipoint linearapproximations for stochastic chance constrained optimization problems with integer design variables. In:8th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Long Beach, CA,Sept 6-8, 2000, paperno. AIAA-2000-4761, A00-40040, CD-rom, 7 pp. (In co-operation with the group"Engineering Dynamics".)

Rijpkema, J.J.M.; Etman, L.F.P.; Schoofs, A.J.G.; Metamodel Based Design Optimization Including DesignSensitivities; Proc. SMSMEO workshop, Lyngby, Denmark, November 16-18, 2000; Edited by Hans BruunNielsen, 13 pp. (In co-operation with the group "Engineering Dynamics".)


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Prof.Dr.Ir. J.E. Rooda:• Member Editorial Board Advanced Manufacturing Technology



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14.1 Input “Systems Engineering” related to EM, 2000

Sources of financing1 Total1 2 3 Number Fte

Senior academic staff 3 - - 3 0.7Supporting staff - - - - -PhD - 1 0.5 1.5 1.22

Twaio - - - - -Postdocs - - - - -

Total 3 1 0.5 4.5 1.9

1 Sources of financing: 1: University2: STW, SON, NWO, FOM3: Industry, TNO, Brite-Euram, Nuffic, Min. Econ. Affairs, etc.

2 Research input per PhD per year: 0.8 fte on full-time basis.

14.2 Output “Systems Engineering” related to EM, 2000

TotalScientific publications: refereed journals -Scientific publications: refereed proceedings 2+2*PhD theses -

* In cooperation with other EM-groups.



Project Title: ADOPT: Sequential Approximate Design Optimization includinguncertainties, discontinuities and discrete design variables.

Participating Groups: Engineering Dynamics (TU/e), Systems Engineering (TU/e),Aerospace Structures and Computational Mechanics (TUD),Structural Optimization and Computational Mechanics (TUD).

Participants: Dr.Ir. L.F.P.Etman (TU/e), Ir. J.H. Jacobs (TU/e),Prof.Dr.Ir. A.van Keulen (TUD), Dr. J.J.M. Rijpkema (TU/e),Ir. R.A. van Rooij (TU/e), Dr.Ir. A.J.G.Schoofs (TU/e),Ir. K. Vervenne (TUD).



5. RESEARCH DOCUMENTATION OF THE GROUPMATERIALS TECHNOLOGY


Eindhoven University of TechnologyDepartment of Mechanical Engineering /Department of Biomedical Engineering


2.1 Structured Fluids2.2 Structured Solids2.3 Biomechanics2.4 Metal Forming2.5 Micro Technology

3. Group directors.

Prof.Dr.Ir. F.P.T. BaaijensProf.Dr.Ir. M.G.D. GeersProf.Dr.Ir. H.E.H. Meijer


Prof.Dr.Ir. F.P.T. Baaijens full Professor 0.2Prof.Dr.Ir. M.G.D. Geers full Professor 0.3Prof.Dr.Ir. H.E.H. Meijer full Professor 0.2Prof.Dr. D.L. Bader Part-time Professor 0.05Prof.Dr. K. Nicolay part-time Professor 0.05Prof.Dr. N. Pijls part-time Professor 0.05Prof.Dr. C. van Veen part-time Professor 0.05Dr.Ir. W.A.M. Brekelmans UHD 0.3Dr.Ir. C.W.J. Oomens UHD 0.2Dr.Ir. G.W.M. Peters UHD 0.2Dr.Ir. P.J.G. Schreurs UHD 0.2Dr.Ir. F.N. v.d. Vosse UHD 0.2Dr.Ir. P.D. Anderson UD 0.2M.Sc. I. Barosan UD 0.1Dr. C.V.C. Bouten UD 0.2Dr.Ir. L.E. Govaert UD 0.2Ir. J.A.W. Hijink UD 0.2Dr.Ir. R.H.J. Peerlings UD 0.3Dr. B. v. Rietbergen UD 0.2Dr.Ir. M.C.M. Rutten UD 0.2Dr.Ir. W.P. Vellinga UD 0.3


Ir. J.H.P. de Vree UD 0.3Dr.Ir. J.M.R.J. Huyghe KNAW-fellow 0.2

Total fte: 4.4

5. PhD- and Twaio-projects per subprogramme, related to research school EMper December 2000: name, source of financing, project title and researchtheme EM.

5.2 Structured Solids

Ir. M.M. Molenaar (PhD 2) Mechanics of porous materials MeMa

5.3 Biomechanics

Ir. E.M.H. Bosboom (PhD 1) The etiology of pressure sores MeMaIr. R.G.M. Breuls (PhD 1) Damage evolution in muscle models MeMaIr. J. de Hart (PhD 3) Fluid solid interaction in heartvalves StMeIr. F.M. Hendriks (PhD 3) Mechanics of skin MeMaIr. L. van de Heuvel (PhD 1) Branchy therapy MeMaIr. M. Maenhout (PhD 1) Mechanical properties of skeletal

musclesMeMa

Ir. C.H.G.A. v. Oijen (PhD 3) Artery prosthesis design StMeIr. E.A.G. Peeters (PhD 1) Cell-mechanics MeMaIr. A. v. Stekelenburg (PhD 1) Perfusion/reperfusion damage MeMaIr. M. v. Stekelenburg (PhD 1) Endothelial cell mechanics MeMaIr. J.M.A. Stijnen (PhD 1) Analysis of flow in the left heart-ventricle MeMa

5.4 Metal Forming

Ir. R.A.B. Engelen (PhD 3) CDM-gradient plasticity MeMaIr. L.P. Evers (PhD 3) Finite strain crystal plasticity MeMaIr. V. Kouznetsova (PhD 3) Computational homogenization MeMaIr. J. Mediavilla (PhD 3) Ductile damage to fracture modelling MeMaIr. E.M. Viatkina (PhD 3) Strain path effects and forming limits MeMa

5.5 Micro Technology

Ir. H. de Boer (PhD 3) Flip-chip bonding StMeIr. S. Onraet (PhD 3) PVD coatings MeMaIr. R.L.J.M. Ubachs (PhD 2) Thermomechanical integrity of solder

jointsMeMa


Dr. I. Bazhlekov, Bulgary Viscoelastic breakup and coalescence(Theory) until 1-11-2002

2.1 CoMe

Dr. G. Cacciola, TheNetherlands

Flexible heart-valves, until 15-1-2001 2.3 StMe

Dr. C.C. v. Donkelaar, TheNetherlands

Design of an intervertebral discprosthesis, 1-11-1998 until 1-11-2000

2.3 MeMa

Dr. A. S. Galaktionov,Ukraine

Mixing flows, until 1-11-2002 2.1 CoMe


7. Short description of subprogrammes related to research school EM.

7.1 Structured FluidsIn this subprogram, three-dimensional mixing is investigated with emphasis on developingtools to evaluate the results of 3D velocity fields nowadays obtainable even in complexgeometry’s with respect to mixing. For that purpose, prototype mixing flows are studied ingreat detail, with the emphasis on obtaining periodic points and lines of hyperbolic,parabolic or elliptic nature and on defining relevant measures for mixing quality. Besides,the micro-events (micro-rheology) in two phase flows are studied, such as break-up underRayleigh distortions, coalescence, and diffusion, temperature or chemically(polymerization) induced phase separation, including their kinetics. The final goal is tocouple the micro-rheology with the macroscopic flow in order to predict the transientmorphologies, even in industrial mixers. Spectral elements have been incorporated in thestandard Sepran FEM system (originally developed in Delft University). Special particletracking routines, that guarantee mass conservation, have bee

Documents

Annual Report 2000 - Engineering Mechanics · Report 2000. It covers 2000, a year in which research activities in the field of Engineering Mechanics received the first priority. Furthermore,