SIMPACK usage in Automotive Industry

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Automotive SIMPACK GmbH 2015, All rights reserved.

SIMPACK Usage in Automotive Industry

www.pro-sim.com

SIMPACK Usage in Automotive Industry

2 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.

SIMPACKTechnology (Solver)www.pro-sim.com

SIMPACK Usage in Automotive Industry

Solver - Analysis Methods

NonlinearSIMPACKModel

Linearization

Linear SystemAnalysis

Frequency ResponseSystem ResponsePower Response

Eigenvalues

EigenfrequenciesEigenmodesModal energies

State-Space-Matrices Export

Matrices export in Matlab format

Time DomainAnalysis

Operational Deflection Shapes (ODS)NLFPOrder Analysis (Run-up/ Frequency sweep)

3 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Solver Efficiency + Accuracy + Stability Solver Fast, accurate, robust, versatile Flexible body integration Drivetrain applications High frequency analysis Almost zero numerical damping Multi-core support Real-time

4 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

5 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.

SIMPACKTechnology (GUI+ Data Structure)www.pro-sim.com

SIMPACK Usage in Automotive Industry

General Purpose MBS Expert User GUI--> SIMPACK PREGeneral purpose model setup for expert users based on MBS Elements, e.g. Bodies, Joints, Sensors, etc.Can be used for all kind of MBS tasks(incl. GUI + solver scripting)

Vertical Application GUI--> SIMPACK WizardBased on application specific standard model databases designed for non MBS expert standard users. Databases can be created and modified using SIMPACK PRE--> easy and efficient customization

PRE and WIZARD6 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

3D/2D Model View

Toolbars

Model Tree

Message Log

PRE - General Purpose MBS Expert User Model Set-upSIMPACK PRE Graphical User Interface:

View Control7 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.

SIMPACK Usage in Automotive Industry

3D View:8 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.2D View:PRE - General Purpose MBS Expert User Model Set-upSIMPACK PRE: 3D-2D-Tree GUI based, automatable (script based) model setup:

SIMPACK Usage in Automotive Industry

Analysis Scenario

Component ModelsLoad Case

Sub Model(s)

Data Structure - Substructures

Multiple hierarchy levels of substructures, e.g. complete vehicleMain Model9 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.

SIMPACK Usage in Automotive Industry

Analysis Scenario

Main Model

Load Case

Sub Model(s)Component Models

Data Structure - Substructures

Multiple hierarchy levels of substructure, e.g. complete engine:10 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Elaborated Flexible Body Integration

Easy and sophisticated integration of flexible bodies:11 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

flex driveline shaftsleaf springssuspension arms/wheel carriers/axles

valvetrain componentschain guides

piston and conrodElaborated Flexible Body Integration

e.g. Chassis/driveline/engine components:

12 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

. applicable to all kind of SIMPACK applications

Completely new WIZARD GUI Concept

SIMPACK WIZARD ?Completely new SIMPACK 9 easy to use GUI mode option designed for non MBS expert usersin order to perform customer specific standardizedMBS tasks.13 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

COMPONENTS(SIMPACK WIZARD Database)

MODEL

LOADCASE

SCENARIO

RESULTS

WIZARD - Vertical Application GUI for Standard MBS Use Cases

SIMPACK WIZARD: Vertical Application GUI for Standard MBS Use CasesBased on a WIZARD DATABASE the SIMPACK WIZARD GUI enablesa non SIMPACK MBS expert STANDARD USER to:

Configure and parameterize standardized MODELSConfigure and parameterize standardized LOADCASESCreate and run SCENARIOS (= MODEL + LOADCASE)Review according standard RESULTS14 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.

SIMPACK Usage in Automotive Industry

POST

SIMPACK Post: general and automatable (script based) MBS result postprocessing--> 3D animations, (moved marker) 2D plots, 3D Plots, tables,

15 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

16 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.

SIMPACKApplication Exampleswww.pro-sim.com

SIMPACK Usage in Automotive Industry

Vehicle OscillationsLowHighLarge

SmallAmplitude

Quasi- Statics(e.g. suspension kinematics and elasto- kinematics)

Secondary Ride(e.g. mainly rigid oscillations of engine, trans-mission, driveline, subframes ...)

Comfort, NVH(e.g. flex. vibrationsof engine, transmission, driveline, subframes, steering, exhaust system, seat rail,....

Dynamic Loads,Durability

Primary Ride(e.g. oscillations of suspension components)

Handling(e.g. global chassismovement)Frequency

Acoustics(e.g. engine block, chain drive,brakes, hydraulics, ...)

Plastic Deformation, Abuse, Crash17 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Amplitudes and Frequencies Covered by SIMPACK MBS Technology

SIMPACK Usage in Automotive Industry

Engine and Gearbox Block

Gear Drive

Clutch and Flywheel

Drive Line

Internal EngineDynamics

ExhaustSystem

Engine andGearbox Block

Suspension Design

Chassis Dynamics

Steering System18 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Overviewwww.pro-sim.com

SIMPACK Usage in Automotive Industry

Engine Mount Variant 1

Engine Mount Variant 2

Engine and Gearbox BlockEngine Mount Optimisation:

Vehicle Model incl. flex. Chassis and Dynamic Bushing ElementHydropuls Testrig with FrequencySweep Excitation

Engine (Hydro) MountCharacteristics Optimisation19 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Engine/Gearbox Acustics(acustic SIMPACK postprocessing of coupled simulation results)Complete Subsystem

ExcitationDynamics

assembly behaviour

modal participationfactors--> surface velocities (FEM or MBS)

sound power level(BEM Acoustics)

Engine and Gearbox Block20 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Gear Drive

Gear Drive

Clutch and Flywheel

Drive Line

Internal EngineDynamics

ExhaustSystemEngine andGearbox Block

Suspension Design

Chassis Dynamics

Steering System21 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Overviewwww.pro-sim.com

SIMPACK Usage in Automotive Industry

0

0

0

No Gear Rattle Condition:22 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Gear Rattle:Rattle Condition:Gear Drivewww.pro-sim.com

SIMPACK Usage in Automotive Industry

Gear Drive

Gear Whine:

Modulation effect due to out of plane running of one part of a gear pair23 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Gear Drive

Simulation Methods for NVH-Development of a Double Clutch Transmission Gearbox (Daimler, SIMPACK User Meeting 2014)24 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Drive LineDrive Line

Gear Drive

Clutch and Flywheel

Internal EngineDynamics

ExhaustSystemEngine andGearbox Block

Suspension Design

Chassis Dynamics

Steering System25 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Overviewwww.pro-sim.com

SIMPACK Usage in Automotive Industry

Drive Line

Driveline Run Up Resonance Analysis and Optimisation: Light Truck Example26 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Drive LineDriveline Investigations at Mercedes Benz (Daimler, SIMPACK User Meeting 2011)27 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Drive LineComplete Vehicle Gear Shifting with Human Body Model (Biomotion)28 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Chassis Dynamics

ChassisDynamics

Gear Drive

Clutch and Flywheel

Drive Line

Internal EngineDynamics

ExhaustSystemEngine andGearbox Block

Suspension Design

Steering System29 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Overviewwww.pro-sim.com

SIMPACK Usage in Automotive Industry

Chassis Dynamics

General Handling Dynamics (Open Loop, Closed Loop, Controlled Systems, HIL/SIL )

Compelte Vehicle Models including flex. componets (chassis, frame, wheel carrier )Various Handling Tyre Models

-> All kind of Handling Dynamics Application30 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Chassis Dynamics

Complete Vehicle Simulation on Testrig using Measured Road Excitation

Vehicle Model incl. flex. Components and Dynamic Bushing ElementMeasured Road Excitation or SinusSweep Signals

--> Ride and NVH Optimisation Load Data Calculationrigidflexible31 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Chassis Dynamics

Simplifying a Chassis Test Bench by Virtual Iteration of Structural Strains with SIMPACK (Daimler, SIMPACK User Meeting 2011)32 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Vehicle Model incl. flex. Components and Dynamic Bushing ElementDeterministic Single Road Obstacles and Comfort Tire Model

--> Ride and NVH Optimisation,Load Data Calculation

Chassis Dynamics

Complete Vehicle Simulation on Deterministic Road (Single Bump/Pothole)33 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Chassis Dynamics

Estimation of Reliable Design Loads During Extreme Strength and DurabilityEvents at Jaguar Land Rover (Jaguar Land Rover, SIMPACK User Meeting 2011)34 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Internal EngineDynamicsInternal Engine Dynamics

Gear Drive

Clutch and Flywheel

Drive Line

ExhaustSystemEngine andGearbox Block

Suspension Design

Chassis Dynamics

Steering System35 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Overviewwww.pro-sim.com

SIMPACK Usage in Automotive Industry

-

SIMPACK Valve Train Simulation:valve longitudinal and lateral dynamicscontact forces/contact loss, hla and valve spring analysisforces/stress/durability of all valve train componentscomplete valve train - camshaft torsional/bending behaviourcamshaft bearing design (EHD)stress analysis and durability prediction36 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Internal Engine Dynamicswww.pro-sim.com

SIMPACK Usage in Automotive Industry

SIMPACK Crank Train Simulation:crankshaft/flywheel/damper torsional designcrankshaft/flywheel/damper bending analysiscrankshaft bearing forces and design (EHD)connecting rod bearing forces and design (EHD)stress analysis and durability prediction-

Internal Engine Dynamics37 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Internal Engine Dynamics

SIMPACK Chain Drive:

avoiding and optimisation of resonancesdynamic loads and stress/durability calculationfriction optimisationacoustics prediction- 38 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Internal Engine Dynamics

SIMPACK Belt Drive:

avoiding and optimisation of resonancesdynamic loads and slip behaviour- 39 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Internal Engine Dynamics

SIMPACK Gear Drive:

avoiding and optimisation of resonancesdynamic loads calculationgear rattle and whine- 40 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Internal Engine Dynamics

Application of SIMPACK for Simulating Valve Trains and Timing Mechanisms at Mercedes- Benz Automotive Engines (Daimler, SIMPACK User Meeting 2006)41 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.www.pro-sim.com

SIMPACK Usage in Automotive Industry

Gear Drive

Clutch and Flywheel

Drive Line

Internal EngineDynamics

Isolated or Dynamically Coupled Effects up to High Frequency NVHExhaustSystemEngine andGearbox Block

Suspension Design

Chassis Dynamics

Steering System42 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Overviewwww.pro-sim.com

SIMPACK Usage in Automotive Industry

Your search for the multi-body simulation experts stops here!43 SIMPACK GmbH, a Dassault Systmes Company All rights reserved.Want to know more? Contact Us at:www.pro-sim.com

ProSIM R&D Pvt. Ltd.,

#4, 1st B Main, 1st N Block, Rajajinagar, Bangalore 560010 , India

Web: www.pro-sim.comEmail: info@pro-sim.com

Phone: +91-80- 233 230 20 / 412 777 92 / 412 777 93

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