Proficiencies in calculation - Brand Engineering · 2019-07-26 · 16.07.2019 CV Dominik Bär Education 2006 –2010 Apprenticeship as a multi skilled mechanic 2012 –2014 Professional

16.07.2019

Proficiencies in calculation

Brand Engineering GmbH | Raiffeisenplatz 2 | 9244 Niederuzwil | Telefon +41 71 544 11 60 | [email protected] | www.brand-engineering.ch

• Static linear

• Non-linear➢ Material non-linearity

➢ Contact non-linearity

➢ Geometrical non-linearity

• Stability➢ Linear buckling

➢ Non-linear buckling

• Verification of screws according to VDI 2230➢ Bolt Assessment Inside Ansys

➢ KISSsoft

• Verification of welds➢ FKM Weld inside Ansys

• FKM verification➢ FKM inside Ansys

➢ Rifest

• EC3 verification

• Multi-body simulation

• Thermal Simulation

• Flow simulation (Fluent & SolidWorks Flow Simulation)

• Software➢ ANSYS R2 – Mechanical Pro / Mechanical Premium

➢ SolidWorks – Simulation Premium

➢ Space Claim

➢ Discovery Live

➢ Rifest

➢ KISSsoft

➢ Mathcad

• Hardware➢ HP Workstation Z840

Intel Xeon CPU E6-2643 v4 @ 3.40 GHz (12 Cores)

64 GB RAM

64 Bit System

NVIDIA Quadro P4000

16.07.2019

CV

Dominik Bär

Education2006 – 2010 Apprenticeship as a multi skilled mechanic

2012 – 2014 Professional Bachelor ODEC in Mechanical Engineering, ZbW in St. Gallen

(Diploma thesis for Intamin, “case study of a roller coaster chassis”)

2014 – 2017 Bachelor of Science in Mechanical Engineering, ZHAW in Winterthur

(including a semester abroad at the RMIT University in Melbourne AUS)

Professional experienceSince Oct. 2017 Calculation engineer at Brand Engineering GmbH

Torsten Richter

Education1974 – 1986 Polytechnical High school with Abitur

1988 – 1993 dipl. Ing in mechanical engineering at the technical university of Dresden

(Railway technology discipline)

2008 International Welding Engineer (IWE), SLV Mannheim GmbH

Professional experience1995 – 2002 Test engineer at the Institut für Schienenfahrzeuge GmbH

2003 – 2018 Calculation engineer at LRS Engineering AG, Frauenfeld

Since Nov. 2018 Calculation engineer at Brand Engineering GmbH


16.07.2019

Excavator substructure / Pre-dimensioning and optimisation study

Assignment

• Pre-dimensioning of telescope

stand and joint

• Designing

• Optimising the geometries

• Create drawings for production

• Strength verification

Pre-dimensioning by hand

calculations

Results

• Optimised design regarding the defined load

cases

• Weak spots at the joint are eliminated

• Comprehensive strength verification report

of the structure

• Validation at the prototype in November

2018

Designing the parts based

on the calculated dimensions

Conducting a simulation of

the first design attempt

Simulation of the final design

30 optimisation

iterations


16.07.2019

Elevator motor / Strength verification – FKM verification

Assignment


• FKM verification of the structure

• FKM verification of the welds

• Verification of the screws according to

VDI 2230

• Verification of the bearings

Strength verification of 4

different load cases

Static and fatigue FKM

verification

Verification of screws

according to VDI 2230

Lifetime calculation of

bearings

FKM Verification of weldsResults

• Comprehensive FKM verification of all

critical load cases – static and fatigue

• FKM verification of all welds – static and

fatigue

• Verification of screws according to VDI 2230

• Detailed verification report of structure,

screws and bearings

• The analysis of the motor has detected

major weaknesses in the structure and

allowed the customer to take action.


16.07.2019

F/A-18 wing bracket / Optimisation during design process

Assignment

• Optimisation during design process


• Verification of screws according to VDI 2230

current design: 9.4 mm

M16 10.9: 8 mm

strengthened beam: 7.6 mm

additional wheels: 4.5 mm

additional wheels in centre of gravity: 1.9 mm

strength

verification

op

timisatio

n stu

dy

Verification of screws - VDI 2230

Results

• Deformation reduced by 80% to 1.9 mm

• Simplified manufacturing process by

optimisation of geometry

• Verification of all 58 mounted screws

according to VDI 2230

• Comprehensive report containing the

verification of the structure, screws, worm

gear, wheels, bearings, supports and

drawbar


16.07.2019

Dredger / Optimisation during design process – Buckling analysis

Assignment

• Investigating different

design studies

• Optimisation during

design process


according to EN 13001-2

Design 1 Design 2 Design 3

Design study

Strengthened design 2: 10 mm

Strengthened design 1: 11 mm

Without strengthening: 12.8 mm

Optimisation studyBuckling analysis

• Safety against buckling 6.8

Results

• Ideal design due to FEM simulations

• Customised design due to optimisation

study

• Strength verification according to EN

13001-2

• Dimensioned purchased parts

Total weight: 200 t

Weight of crane frame: 20 t


16.07.2019

Roller coaster brakes / Strength verification – EC3 verification


Assignment


• EC3 verification of the structure

• EC3 verification of the welds

• Verification of the screws according to

EC3 & VDI 2230

• Including thermal influence

Transient thermal simulation

based on the given braking forces

Static structural simulation with thermal

expansion and external loads

Results

• Comprehensive EC3 verification of all critical

load cases – static and fatigue

• EC3 verification of all welds – static and

fatigue

• Verification of screws according to EC3 &

VDI 2230

• Detailed verification report of structure and

screws

Verification of screws according to EC3

Documents

Proficiencies in calculation - Brand Engineering · 2019-07-26 · 16.07.2019 CV Dominik Bär Education 2006 –2010 Apprenticeship as a multi skilled mechanic 2012 –2014 Professional