Post on 09-Jan-2017
Automotive
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SIMPACK Usage in Automotive Industry
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SIMPACK Usage in Automotive Industry
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SIMPACKTechnology (Solver)
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SIMPACK Usage in Automotive IndustrySolver - Analysis Methods
NonlinearSIMPACK
Model
Linearization
Linear SystemAnalysis
• Frequency Response
• System Response
• Power Response
Eigenvalues
• Eigenfrequencies• Eigenmodes• Modal energies
State-Space-Matrices Export
• Matrices export in Matlab format
Time DomainAnalysis
• Operational Deflection Shapes (ODS)
• NLFP• Order Analysis
(Run-up/ Frequency sweep)
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SIMPACK Usage in Automotive IndustrySolver 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
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SIMPACK Usage in Automotive Industry
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SIMPACKTechnology
(GUI+ Data Structure)
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SIMPACK Usage in Automotive Industry
General Purpose MBS Expert User GUI--> SIMPACK “PRE”
General 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 “Wizard”
Based 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 “WIZARD”
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SIMPACK Usage in Automotive Industry
3D/2D Model View
Toolbars
Model Tree
Message Log
“PRE” - General Purpose MBS Expert User Model Set-up
SIMPACK PRE Graphical User Interface:
View Control
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SIMPACK Usage in Automotive Industry
3D View:
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2D View:
“PRE” - General Purpose MBS Expert User Model Set-up
SIMPACK PRE: 3D-2D-Tree GUI based, automatable (script based) model setup:
SIMPACK Usage in Automotive Industry
Analysis Scenario
Component Models
Load Case
Sub Model(s)
Data Structure - Substructures
Multiple hierarchy levels of substructures, e.g. complete vehicle
Main Model
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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:
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SIMPACK Usage in Automotive IndustryElaborated Flexible Body Integration
Easy and sophisticated integration of flexible bodies:
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SIMPACK Usage in Automotive Industry
flex driveline shafts leaf springs suspension arms/wheel carriers/axles
valvetrain components chain guidespiston and conrod
Elaborated Flexible Body Integration
e.g. Chassis/driveline/engine components:
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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.
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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 Cases
Based on a WIZARD DATABASE the SIMPACK WIZARD GUI enablesa non SIMPACK MBS expert “STANDARD” USER to:
- Configure and parameterize standardized MODELS- Configure and parameterize standardized LOADCASES- Create and run SCENARIOS (= MODEL + LOADCASE)- Review according standard RESULTS
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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, …
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SIMPACK Usage in Automotive Industry
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SIMPACKApplication Examples
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SIMPACK Usage in Automotive Industry
Vehicle Oscillations
Low
High
Large
Small
Amplitude
Quasi-
Statics
(e.g. suspensio
n kinematic
s and elasto-
kinematics)
Secondary Ride
(e.g. mainly rigid oscillations of engine, trans-
mission, driveline,
subframes ...)
Comfort, NVH
(e.g. flex. vibrations
of engine, transmissio
n, driveline,
subframes, steering, exhaust system,
seat rail,....
Dynamic Loads,
Durability
Primary Ride
(e.g. oscillations
of suspension components
)
Handling
(e.g. g loba
l chass
ismoveme
nt)
Frequency
Acoustics(e.g.
engine block, chain drive,
brakes, hydraulics, ...)
Plastic Deformation, Abuse, Crash
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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 System
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Overview www.pro-sim.com
SIMPACK Usage in Automotive Industry
Engine Mount Variant 1Engine Mount Variant 2
Engine and Gearbox Block
Engine Mount Optimisation:
- Vehicle Model incl. flex. Chassis and Dynamic Bushing Element
- Hydropuls Testrig with FrequencySweep Excitation
- Engine (Hydro) MountCharacteristics Optimisation
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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 Block
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SIMPACK Usage in Automotive Industry
Gear DriveGear Drive
Clutch and Flywheel
Drive Line
Internal EngineDynamics
ExhaustSystem
Engine andGearbox Block
Suspension Design
Chassis Dynamics
Steering System
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SIMPACK Usage in Automotive Industry
0
0
0
No Gear Rattle Condition:
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Gear Rattle:Rattle Condition:
Gear Drivewww.pro-sim.com
SIMPACK Usage in Automotive IndustryGear Drive
Gear Whine:
Modulation effect due to out of plane running of one part of a gear pair
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SIMPACK Usage in Automotive IndustryGear Drive
Simulation Methods for NVH-Development of a Double Clutch Transmission Gearbox (Daimler, SIMPACK User Meeting 2014)
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SIMPACK Usage in Automotive Industry
Drive LineDrive LineGear Drive
Clutch and Flywheel
Internal EngineDynamics
ExhaustSystem
Engine andGearbox Block
Suspension Design
Chassis Dynamics
Steering System
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SIMPACK Usage in Automotive IndustryDrive Line
Driveline Run Up Resonance Analysis and Optimisation: Light Truck Example
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SIMPACK Usage in Automotive IndustryDrive Line
Driveline Investigations at Mercedes Benz (Daimler, SIMPACK User Meeting 2011)
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SIMPACK Usage in Automotive IndustryDrive Line
Complete Vehicle Gear Shifting with Human Body Model (Biomotion)
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SIMPACK Usage in Automotive Industry
Chassis DynamicsChassisDynamics
Gear Drive
Clutch and Flywheel
Drive Line
Internal EngineDynamics
ExhaustSystem
Engine andGearbox Block
Suspension Design
Steering System
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Overviewwww.pro-sim.com
SIMPACK Usage in Automotive IndustryChassis 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 Application
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SIMPACK Usage in Automotive IndustryChassis Dynamics
Complete Vehicle Simulation on Testrig using Measured Road Excitation
- Vehicle Model incl. flex. Components and Dynamic Bushing Element
- Measured Road Excitation or SinusSweep Signals
--> Ride and NVH Optimisation Load Data Calculation
- rigid- flexible
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SIMPACK Usage in Automotive IndustryChassis Dynamics
Simplifying a Chassis Test Bench by Virtual Iteration of Structural Strains with SIMPACK (Daimler, SIMPACK User Meeting 2011)
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SIMPACK Usage in Automotive Industry
- Vehicle Model incl. flex. Components and Dynamic Bushing Element
- Deterministic 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)
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SIMPACK Usage in Automotive IndustryChassis Dynamics
Estimation of Reliable Design Loads During Extreme Strength and DurabilityEvents at Jaguar Land Rover (Jaguar Land Rover, SIMPACK User Meeting 2011)
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SIMPACK Usage in Automotive Industry
Internal EngineDynamicsInternal Engine Dynamics
Gear Drive
Clutch and Flywheel
Drive LineExhaustSystem
Engine andGearbox Block
Suspension Design
Chassis Dynamics
Steering System
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SIMPACK Usage in Automotive Industry
- …
SIMPACK Valve Train Simulation:- valve longitudinal and lateral dynamics- contact forces/contact loss, hla and valve spring analysis- forces/stress/durability of all valve train components- complete valve train - camshaft torsional/bending behaviour- camshaft bearing design (EHD)- stress analysis and durability prediction
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Internal Engine Dynamicswww.pro-sim.com
SIMPACK Usage in Automotive Industry
SIMPACK Crank Train Simulation:- crankshaft/flywheel/damper torsional design- crankshaft/flywheel/damper bending analysis- crankshaft bearing forces and design (EHD)- connecting rod bearing forces and design (EHD)- stress analysis and durability prediction
- …
Internal Engine Dynamics
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SIMPACK Usage in Automotive IndustryInternal Engine Dynamics
SIMPACK Chain Drive:
- avoiding and optimisation of resonances- dynamic loads and stress/durability calculation- friction optimisation- acoustics prediction
- …
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SIMPACK Usage in Automotive IndustryInternal Engine Dynamics
SIMPACK Belt Drive:
- avoiding and optimisation of resonances- dynamic loads and slip behaviour
- …
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SIMPACK Usage in Automotive IndustryInternal Engine Dynamics
SIMPACK Gear Drive:
- avoiding and optimisation of resonances- dynamic loads calculation- gear rattle and whine
- …
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SIMPACK Usage in Automotive IndustryInternal Engine Dynamics
Application of SIMPACK for Simulating Valve Trains and Timing Mechanisms at Mercedes- Benz Automotive Engines (Daimler, SIMPACK User Meeting 2006)
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SIMPACK Usage in Automotive Industry
Gear Drive
Clutch and Flywheel
Drive Line
Internal EngineDynamics
Isolated or Dynamically Coupled Effects up to High Frequency NVH
ExhaustSystem
Engine andGearbox Block
Suspension Design
Chassis Dynamics
Steering System
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Overviewwww.pro-sim.com
SIMPACK Usage in Automotive Industry
Your search for the multi-body simulation experts stops here!
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