samcef mecano - vehicle dynamics
TRANSCRIPT
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
Your Vehicle DynamicsYour Vehicle Dynamics
Simulation PackageSimulation Package
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
Accurate Simulations require proper modelling of: Accurate Simulations require proper modelling of:
�� Initial preInitial pre--loads and internal forcesloads and internal forces
�� Geometric and material nonGeometric and material non--linearitieslinearities
�� Mechanical motion behaviourMechanical motion behaviour
�� Coupling with the control systemCoupling with the control system
Your Vehicle Dynamics Simulation Package
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
SAMTECH Offer
SAMCEF MECANOSAMCEF MECANO
LinearLinear Kinematic Kinematic
JointsJointsNon LinearNon Linear
Finite Element Solver with embedded Finite Element Solver with embedded
MBS featuresMBS features
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
Models suited for Flexible Dynamics AnalysisModels suited for Flexible Dynamics Analysis
SAMCEF MECANOSAMCEF MECANO
Finite Element Solver with embedded Finite Element Solver with embedded
MBS featuresMBS features
SAMTECH Offer
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
DigitalDigital
ControllerController
SAMTECH Offer
SAMCEF MECANOSAMCEF MECANO
LinearLinear Kinematic Kinematic
JointsJointsNon LinearNon Linear
Finite Element Solver with embedded MBS Finite Element Solver with embedded MBS
features and digital controller importfeatures and digital controller import
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
Fully Flexible Fully Flexible MechatronicMechatronic ModelModel
PiezoPiezo actuatoractuator
•• Active suspension systemsActive suspension systems
•• Active steering systemsActive steering systems
•• ……and moreand more
SAMTECH Offer
SAMCEF MECANOSAMCEF MECANO
Finite Element Solver with embedded MBS Finite Element Solver with embedded MBS
features and digital controller importfeatures and digital controller import
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
STEP 1: MBS using rigid STEP 1: MBS using rigid
models models
Vehicle Dynamics Simulation
With SAMCEF Mecano:With SAMCEF Mecano:
More accurate loads More accurate loads
implicitly computedimplicitly computed
STEP 2: Loads ExtractionSTEP 2: Loads Extraction
STEP 3: Local FEA on one STEP 3: Local FEA on one
single componentsingle component
Dynamic behaviour of Dynamic behaviour of
flexible partsflexible parts better better
representedrepresented
Direct introduction of Direct introduction of
flexible component inside flexible component inside
the global modelthe global model
BEFORE:BEFORE:
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- 60
- 40
- 20
0
20
40
60
- 20 - 10 0 10 20
Body transmitted forceBody transmitted force
Upper Support Moment [Nm]Upper Support Moment [Nm]
PARALLEL LH/RH STROKEPARALLEL LH/RH STROKE
SAMCEF
Rigid MBS solver
Test
Wheel str
oke [
mm
]W
heel str
oke [
mm
]
Vehicle Dynamics Simulation
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
FLEXIBILITY FLEXIBILITY
MATTERS!!MATTERS!!
Vehicle Dynamics Simulation – Global Results
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
Vehicle Dynamics Simulation – Local Results
FLEXIBILITY FLEXIBILITY
MATTERS!!MATTERS!!
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
Choose the right model according to your needs!!Choose the right model according to your needs!!
Vehicle Dynamics Simulation
This document is the property of SAMTECH S.A. and shall not be copied or disclosed to any third party without SAMTECH S.A. authorization.
Conclusions
Your benefits:Your benefits:
�� Represent accurately the physics of vehicle Represent accurately the physics of vehicle
dynamics dynamics
�� Use reliable results for a better designUse reliable results for a better design
�� Gain Gain timetime and and moneymoney by doing your by doing your
engineering work right from the first timeengineering work right from the first time
www.samtech.comwww.samtech.com