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The core of our VPD offerings
Dr. Reza SadeghiVice President Product Development, Solvers
The core of our VPD offeringsThe core of our VPD offerings
Dr. Reza Dr. Reza SadeghiSadeghiVice President Product Development, SolversVice President Product Development, Solvers
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Contents1. Vision and Direction
Virtual Product DevelopmentMSC Product portfolio
2. Integration & InteroperabilityFE: Implicit and ExplicitFE, MB, Control
3. DisciplinesVehicle Ride and HandlingAcoustics, NVH, PowertrainCrash & Occupant SafetyElastomeric components Electronics and packagingFlightloads, Rotor DynamicsComposites, OptimizationThermal ManagementPart ManufacturingBiomedical, Defense, etc..Discipline integration
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Simulation Data Management
Portal
Virtual Product DevelopmentVirtual Product DevelopmentRegular Assembly of Updated System Virtual Prototypes
Coordinated with Test & Validation Process
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DesignDesign ValidateValidate AssemblyAssembly ServiceServiceConceptConcept
InformationInformation RiskRisk
Virtual Product Development Process
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VPD PortfolioMulti-physics
StructuralThermalFluidElectrical
Multi-formulations
FE/FD Multi Body DynamicsControls
Multi-stage
DynamicsBucklingFatigueEtc… Over 150 VPD Applications
Included
MSC.SOFY
MSC.Patran
MSC.Nastran
MSC.Marc
MSC.Dytran
MSC.EASY5
MSC.ADAMS
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FlexibilityControls HydraulicsControls Flexibility Hydraulics
Test Data3D CAD
Requirements for Real World VPDAccurate loads
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Requirements for Real World VPD Real-time simulation
Electronics account for +20% of manufacturing
costs for most cars
The simulation combines Electronics and Software based representation of the
physical systems (HIL)
Leading to Real time model of vehicles for validation, failure and field warranty
analyses of vehicle control hardware
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Requirements for real world VPDsub systems and components
Accurate element and material models Mesh management local and globalRobust Multi-body Contact w/frictionModeling of Composites and smart materialsFluid Structure Interaction couplingDistributed and Shared memory parallel for modal and transient solutionsSimulation of Manufacturing processes
During plastic flow every integration
point must be on the yield
surface (follow the red
dot).The disk is cycled from cold to hot two times.
Robust modeling ofLoadsBoundary conditionsMaterial behaviorMechanics
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Leading to Functional Digital prototypes
Accurate loads and load paths (i.e. flexible bodies with contact and fiction)
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Contents
1. VPD, Vision and Direction
2. Integration & InteroperabilityFE, Implicit and ExplicitMB & ControlFE & MB
3. DisciplinesVehicle Ride and HandlingAcoustics, NVH, PowertrainCrash & Occupant SafetyElastomerics Components Electronics and packagingFlightloads, Rotor DynamicsComposites, OptimizationThermal ManagementPart ManufacturingBiomedical, Defense,…Discipline integration
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Integration & Interoperability
MSC.ADAMSImporting and exporting subsystems From Nastran, Marc, Easy5
MSC.Nastran Implicit Nonlinear SOL600 – w/Marc
Contact, NL materialsCoupled thermo-mechanicalSupport for distributed parallel
MSC.Nastran Explicit NonlinearSol700 – w/Dytran / LS-Dyna
Crash with dummies and barriersDrop testFSI
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Integration & Interoperability Adams with Nastran
Pothole-passing maneuver of a full-vehicle truck model including a flexible frame
Comparison of vertical accelerations at the driver’s seat -Rigid vs. Flexible frame
ADAMS Multibody Model
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Integration & InteroperabilityAdams with Nastarn
MSC.NASTRAN MSC.ADAMS
Flexible Body generation
Linearized State Space System
New Functionality
Use of linearized ADAMS system state matrices in MSC.NASTRAN
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Integration & InteroperabilityMSC.Adams with MSC.Nastran
Integration & InteroperabilityMSC.Adams with MSC.Nastran
Coupling between structural Finite Elements and linearized ADAMS elements
Ability to combine structural damping (Nastran) with concentrated damping computed for (ADAMS).
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Integration & InteroperabilityAdams & Marc
Fully detailed model of a tireCombined with the suspension subsystem
Disk drive read/write head assembly combined with the drive assembly
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Integration & InteroperabilityAdams with Easy5
ADAMS & EASY5 Integration – open & closed control loops
Easy5 models imported as DLLs into ADAMS
Co-simulation between ADAMS & EASY5
Export of ADAMS equations to EASY5
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Integration & InteroperabilityMSC.Nastran & MSC.Robust Design
Uncertainly exists in the real worldNeed to take variations into account
Random failure of connectorsGaussian distribution of thicknessGaussian distribution of Young‘s moduli
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Contents
Vision and Direction
Integration & InteroperabilityFE, Implicit and ExplicitMB & ControlFE & MB
DisciplinesVehicle Ride and HandlingAcoustics, NVH, PowertrainCrash & Occupant SafetyElastomeric and Plastics Electronics and packagingFlightloads, Rotor DynamicsComposites, smart materialsThermal ManagementPart ManufacturingBiomedical, etc..
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Vehicle Ride and Handling
Wheel Envelope CalculationTest Rig SimulationCurve ManagerManeuversRigid/Flexible Bodies
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Acoustics & NVH
Advances in Automated Component mode synthesis (ASMCS)Domain based ACMS - suited for large numbers of MPCsAvailable for normal modes & modal freq resCan be used in combination with enforced motion
Interior Acoustics Fluid Structure Coupling ImprovementsHole closingFast cavity modelingValidation of fluid-structure couplingResponse point management
Exterior Acoustics & Trimmed Components Radiation, Porous Materials (WIP)
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Automated Component Mode Synthesis (ACMS)
2.6M DOF, 300 HZ
0
5
10
15
20
25
30
GDACMSMDACMS
0
2
4
6
8
10
LanczosGDACMSMDACMS
0
5
10
15
20
25
30
35
GDACMSMDACMS
1.3 M DOF, 300 Hz, 1600 modes Fluid-coupling modeled with MPCs
CPU Hours
significant speed up for optimization of BIW models
0
5
10
15
20
25
Lanczos
MDACMSDMP=2
2.17M dofs, 2,300 structure modes (350 Hz)98 fluid modes, 281 forcing frequencies &Enforced motion
2.8M DOF, Fluid-coupling, 87k RBE3s
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Acousticsinterior
Hole Closing
Cavity Meshing
Coupling
MSC.SOFY Acoustics has powerful functionality to close holes based on parts, node lists and segments
MSC.SOFY Acoustics automatically creates the cavity for welded and non-
welded structures
MSC.SOFYAcoustics has an integrated link to
MSC.Nastran allowing to create
the coupling matrix, visualize the results and efficiently
make iterations if necessary
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Crash & Safety
Full Crash ScenariosTransient Structural ResponseScalable Distributed parallel (up to 124 Proc)
Robust DesignDurabilityNVHCrash
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Crash & Safety
Crash simulation with Fuel Tank
Determine Gas Tank FailureAccurate FSI to capture tank failure
Accurate modeling of airbag deployment
Gas may flow between compartments, dynamic meshing required
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Powertrain & Engine3D Mesh generation & management
Gasket and Bolt Modeling
Thermal Analyses & combustion
Fatigue and Life prediction
Local global (zooming)
CFD Analysis
Clean up CAD models
Structural mesh creation
CFD mesh creation on water jacket
Heat transfer analysisFatigue analysis
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0
20000
40000
60000
80000
100000
120000
140000
1 CPU 8 CPUs 16 CPUs 32 CPUs
Powertrain & EngineThermo-mechanically accurate
Scalable parallel performance Parallel is a mustScalability is needed32 domain solution is 30x faster
HP Cluster Running HP Linux w/HP MPI
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Powertrain & EngineComponents accurately modeled
Guidefixedpivottranslational
Chain elementlinearnon-linear ValvetrainCam-GenerationNew Elements
Crosshead, Pivot Follower, Rocker Arm
Timing-Belt Detailed or Constraint-Based Belts or Chains
Chain DriveSilent Chain and Silent Chain LinksInvolute Sprocket Element
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Fluid Solid InteractionBird Strike and other FSI apps
Multiple Adaptive Euler Domains
ShocksHydromountsFuel pumpsFuel Tank FillingBird Penetration Through Multiple Panels
CPU intensiveNeed for SMP and DMP
Bird-i~4.mpg
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Elastomeric and Plastics
Applications range from car parts to building safety:
All emergency 911 calls are routed through this facility. Problem: Facility to remain operational after an 8.3 Richter magnitude earthquakeLarge shear strain analysis was necessary with nonlinear FEA.Bearing manufacturers have incorporated nonlinear FEA into their design processes
Exact Modeling of the incompressibility, automated 3D contact/friction
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Thermal Management SystemsRocket Engines
AblationRadiationForced ConvectionCombustionMulti-physics
Flexible Bearing for Solid Booster Rocket
Steel & Rubber composite
Customer’s Requirements:Solver must be scalable up to 16 processors.
0
10,000
20,000
30,000
40,000
50,000
60,000
70,000
Solu
tion
time
1 3 4 5 6 17
Domains
Flexible Bearing ResultsSolver 8, Optimize 11
Solution Time
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AerospaceX-33 Advanced Technology DemonstratorJSF Joint Strike FighterMorphing Vehicles
AutomotiveFrequency ControlAdaptive Damping
Composites/Smart Materials
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Composites/Smart Materials
ApplicationVibrationNoise SuppressionPrestrainedNitinol Wires
Glass-Epoxy Composite Panel With Embedded SMA
Wires
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Rotor Dynamics
Allowing for Gyroscopic effects in structural simulation of rotating parts (statics, dynamics, and nonlinear transient)Recent advances w/2005 releases
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OptimizationSensitivity & Topology/Shape
Bridge Example800 elementsMinimize compliance with 30% mass target
Spare Tire Mount Example
33,120 Hexa8 elementsMinimize compliance with 30% mass target
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ElectronicsPiezo, Electro-magnetic, MEMS
Coupled Electrostatic-StructuralThermal MechanicalElectro MechanicalPiezo electricContact
scale: 0.001 mmscale: 0.001 mm
Coulomb Force
Electrical Potential
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Biomedical Procedures
Arterial lumen partially or completely occluded by plaqueReduction in blood flowLeads to a coronary event
Stroke, blockageSimulation is used to optimize both the procedures and devicesThermo-mechanical event with contact and friction
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Large or Small “Pressings”With Matched
Die Sets
Why simulate:• Engineer the net shape• Quantify Residual Stresses• Validate Post MFG properties
Start
Finish
Next Generation Boeing 7E7 Monolithic Parts
Manufacturing Process Simulation
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Integration of our Key Technologies
Provide Easy-to-Use Solutions to Complex Engineering Problems that Require Multi-Disciplinary and Multi-Physics solutions in a Cost Effective and Timely Manner
Control, Systems – Easy5Multi-Body Dynamics – AdamsStructural Analysis – Nastran/MarcCrash, Safety and FSI– Dytran/LS-DYNACFD, Structures – Nastran/Marc/3rd partyElectromagnetism, MEMS – Marc/3rd party
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Integration – Phase 1
PatranNastran, Marc, Dytran/LS-dyna
NastranSol 600 – Implicit NL w/MarcSol 700 – Explicit NL w/Dytranand LS-Dyna
AdamsNastran, Marc, Dytran
Common modulesMatrix exchange, DMIGCommon results, DRA/DBALLElement & Material Architecture
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Integration – Phase II
Common Data ModelResults
Component ArchitectureIDL Services
Port auto-generatedfrom IDL:
Component providing port
Componentusing port
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Integration – Phase III
Full Integration – Single Physical Model
Solver Framework
Nastran
Solvers
Input formatsbdfdatbdf
dat…
Applications
SOFY
PatranPatran
Adams ViewAdams View
ResultsResults
SimOffice UI
xmlxml
additional input formats
Output formatsbdfdat
T16,T19
OP2,xdb…xmlxmladditional output formats
API
DB
api
Marc
Adams
Dytran/Dyna
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VPD Scenario – Powertrain
How much noise will betransmitted by the oil
pan?MSC.Actran
How How muchmuch noise noise willwill bebetransmittedtransmitted by by thethe oiloil
pan?pan?MSC.ActranMSC.Actran
What control law willprovide the requiredcrankshaft velocity?
MSC.EASY5
WhatWhat control control lawlaw willwillprovideprovide thethe requiredrequiredcrankshaftcrankshaft velocityvelocity??
MSC.EASY5MSC.EASY5
What are the forces acting on thecrankshaft?MSC.ADAMS
WhatWhat are are thethe forces forces acting on acting on thethecrankshaftcrankshaft??MSC.ADAMSMSC.ADAMS
What are the stresses & modes of thecrankshaft?
MSC.Nastran/MSC.Marc/MSC.Dytran/LS-Dyna
WhatWhat are are thethe stresses & stresses & modes of modes of thethecrankshaftcrankshaft??
MSC.NastranMSC.Nastran//MSC.MarcMSC.Marc//MSC.DytranMSC.Dytran//LSLS--DynaDyna
How many cycles before failure of the
crankshaft?MSC.Fatigue
How How manymany cycles cycles beforebefore failurefailure of of thethe
crankshaftcrankshaft??MSC.FatigueMSC.Fatigue
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Component based solutions
Integrator
Component-I(Nastran)
Component-II(Marc)
Component-IV
(Dytran/Dyna)
Component-III(Adams)
Component-VI(Robust Design)
Component-VII(Fatigue)
Component-VIII(Results)
Component-IX(Sim Manager)
Python Interface
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Closing remarks
What customers need:System level modeling to capture REAL performance. Accurate sub-system modeling to capture the RIGHT physics
What is required:A framework for Interoperability between all functional disciplines and CAD
Designer Program Manager/EngineerEngineer/Analyst
Ent
erpr
ise
Info
rmat
ion
Infra
stru
ctur
e(P
DM
, PLM
, ER
P, D
irect
ory
Ser
vice
s, E
tc.)
SimManagerSimDesigner
MSC Proven Solvers (Nastran, ADAMS, Marc, Dytran, Easy5)
Modeling Components (Build, Test, Review, Improve)
Interface Workbenches (Patran, Sofy, Actran, View, etc.)
Industry Applications (Aero, Auto, EM, Bio, in-house, partners)
SimOfficeSimOffice
45 / 46
Closing RemarksCustomer business drives our strategy
Provide an integrated environment to manage and track the work flow process
Deliver a collaborative platform w/ better means of communication
Resulting in increased visibility of simulation
Positively affecting the business