Pamela J. Emery

Vice President

Marketing and CustomerSupport Division

ADAMSVersion 10.0

November, 1999

Theme: ADAMS Version 10.0

n Increasing the value of simulation for:

u the engineer/analyst

u the workgroup

u the enterprise

n Focusing on managing risk in the overallproduct development process

ADAMS Virtual PrototypingProduct Line

ADAMS/Exchange

ADAMS Full SimulationADAMS/View(Pre/Post) & ADAMS/Solver

Embedded Products(for CATIA, Pro/Engineer, I-DEAS, Unigraphics,SolidDesignerAutoCAD, SolidWorks, SolidEdge, Microstation)

ADAMS/Controls

ADAMS/Car

ADAMS/Driver

ADAMS/Tire

ADAMS/Postprocessor

ADAMS/Engine

ADAMS/Rail

ADAMS/Hydraulics ADAMS/Flex ADAMS/Linear

ADAMS/Animation

New Product

Enhanced Product

Existing Product

ADAMS 10.0 Highlights

n ADAMS Runtime Environment

n ADAMS/Solver Enhancements

n Introducing ADAMS/PostProcessor

n ADAMS/View Enhancements

n Introducing ADAMS/Hydraulics

n Introducing ADAMS/Engine

n A Better, Easier-to-Use CAT/ADAMS

ADAMS 10.0: Runtime Environment

n Toolbaru Launch pad for ADAMS applications

u Access to utilities, documentation, info

u Access to product registry settings

u Create and launch custom executables

n Registryu Configuration management utility

u Manage customization information

n Configuration filesu .mdi_init, .mdimenu_init no longer used

u .mdi directory

n No transfer of existing settings

ADAMS 10.0: Registry Editor

n Graphical tool for configuration management

n Consistent interface for product line

Solver 10.0

n SI2

n Joint Friction

n C++/Combined Solver

n 2D Contact Pairs

n Spline File Keyword

Solver 10.0: SI2 Integrator

n Based on GSTIFF

n Slower than GSTIFF for equivalent settings

n Well suited for high-frequency phenomena

n Accurate velocity and acceleration

n Fewer corrector failures

n Fewer singularities

n All velocity inputs must be differentiable

n Access using “INTEGRATOR/SI2”

Solver 10.0: Joint Friction

n Additional joints supportedu Translational

u Revolute

u Cylindrical

u Spherical

u Universal and Hooke

n New FRICTION statementu Controllable Overlap (IC and delta)

u Stiction (velocity and deformation)

u Preloads

u Max induced force/torque

n Analytical and physical testvalidation

xj

yj

zj

F

Ffrict

nT

Tfrict

ωV

Solver 10.0: C++/Combined Solver

n Automatically switches to F77 if model containsunsupported objects

n Unsupported objectsu FLEX_BODY, TFSISO, GSE, LSE, GSE UCON

u NFORCE, TIRE, FRICTION, SENSOR

n Generally faster than F77 Solver

n Improvements to Linear

n Improved redundant constraints

n No interactive command supportu Only SIMULATE, LINEAR, STOP supported

n Environment variable accessu MDI_SOLVER_SELECT = {CXX, F77}

Solver 10.0: 2D Contact

n Geometryu Point-to-curve

u Circle-to-curve

u Plane-to-curve

u Curve-to-curve

n Based on IMPACT

n Friction

n Cautionsu Speed issues

u Pop-in

u Out of plane forces

u Interface issues

Solver 10.0: General Info

n Spline file keywordu Keep spline data in external files

u User definable formats

u User subroutine “SPLINE_READ”

u Utility routine “PUT_SPLINE”

n Controllable tension on curve interpolationu CURVE/TENSION=0.05 (0=cubic, 1~linear)

u SEG parameter no longer used

u B-Spline interpolation for open and closed curve_point curves

n Beam bushing field updatesu Required for SI2

u Different but guaranteed more accurate than pre 10.0

n Callable discontinued

n Angle functions accumulate (AX, AY, AZ, …)

ADAMS/PPT (Postprocessing Tool)

PPT 10.0: Architecture

View

PPT

Animation

View

Plot Windown ADAMS PostprocessingTool (ADAMS/PPT) is acomprehensiveenvironment for reviewof graphical andnumerical results ofADAMS Simulations.

n PPT is included, andcompletely embedded inseveral ADAMSproducts, such as View,Car, Rail, and Engine.

n PPT is available as astandalone productwhich can called fromother products such asPre and CAT/ADAMS.

PPT 10.0: Interface

VIEWPORTS

DASHBOARD

TREE

VIEW

TOOLBARS

SASHES

PROPERTYEDITOR

PPT 10.0: Highlights

n Plottingu Improved performance for large result sets

u Notebooks - save and reuse plot templates

u Synchronized with animation display

n Advanced animationu Supports ADAMS/Flex results

u Speed control

u Offset/overlay multiple results

n MATLAB function evaluationu MATLAB for FFT, Bode, and filtering

n Customer-drivenu Streamlined interface

u Improved startup, page turning, animation and plotting speed

PPT 10.0: Signal Processing

n Curve edit operationsu Curve math, differentiate, integrate, scale, etc.

u Interactive curve data control

u Edit curve expressions interactively

n Signal processingu FFT

u Bode

u Filter (Transfer function, Butterworth)

u MATLAB function evaluation

u Export curves to text files

PPT 10.0: Presentation and Communication

n Interactive plots and animations

n Forward and reverse animation

n Speed control

n Undisplay interface controls

n image output (tif, jpeg, xpm, bmp)

n Object transparency

ADAMS/View 10.0

View 10.0: Database Navigatorn Task Oriented Modes

u Browse

u Display Attribute

• Object, Self, Siblings

u Rename

u Information

u Comments

u Topology (by part/by connection)

u Graphical topology (shown)

u Associativity

u Select list

n Consolidated Settings Interface

n Synchronized highlighting

n Sort by name and type

n Export to file

View 10.0: Commercial GUI Toolkit

n Troll Tech (http://www.troll.no)u Focus on customer issues rather than toolkit development

u Broad base for future enhancements

n Improved GUI objectsu Treeview

u File navigator

u Image output (tif, jpg, xpm, bmp)

n Consistent (Windows style) GUI objects

n Future potentialu tabs, skins, languages

View 10.0: VRML Export (experimental)

n Verified only onu Netscape 4.6+

u Cosmo Player 2.0+

n Animateu Forward/reverse

u Real time

n Defined views translated

n Environment variableu MDI_AVIEW_EXPERIMENTAL

n Intended for future PPT

View 10.0 Response Surface Preview

n From DS & DOEn Export HTML or

Spreadsheet reportn Impact of design

sensitivities can be sharedover the web

n Not in A/View 10.1+n Preview of ADAMS Design

Assistant Product

View 10.0: Parasolids

n Parasolid import and exportu Round trip geometry modification

n Access CAD constructsu Circle centers, etc.

u Modify Booleans

n Geometry transferu Unigraphics

u SolidWorks

u MSC/PATRAN, etc.

n Requires ADAMS/Exchange

View 10.0: General Info

n Over 300 Bugs fixed

n Tension splines

n 2-axis orientation

n Plotting tests

n Select directory

n *Parasolid read/write

n New highlighting style

n *Database Navigator

n Improved memory handling

n Object transparency

n C++ Solver interface

n Native OpenGLu SGI, HP, and NT

n Joint friction interface

n Command line improvements

n avi with compression (NT)

ADAMS Hydraulics Integration

Hydraulics System Modeling

Mechanical System Simulation Hydraulic System Design

ADAMS/Hydraulics - Version 10.0Embedded into System Level Product Development Process

HydraulicsADAMS/Hydraulics

ControlsMATRIXx from ISIexecuting through ADAMS/Controls

MechanicsADAMS

ADAMS/Hydraulics Highlights

n 2D Block Diagram Builderu Graphically model hydraulic circuits

n Extensive Hydraulics Libraryu More than 30 common fluid power component models

n Open Modeling Environmentu Option of expanding the library of component models

n Powerful Solution Environmentu Fluid power equations fully coupled with the system of mechanical equations

n Full Analysis Supportu All analysis modes of ADAMS are supported

n Full-View Parameterization Supportu Design variables, DOE, design studies, and optimization are all supported

n Multiple Fluid Power Circuitsu Several independent fluid power circuits can be included in a

single ADAMS model

ADAMS/Hydraulics - Version 10.0

n Orifice (adjustable)n 2/2-directional control valven 3/2-directional control valven 4/3-directional control valven 4/3-servovalven 2-way cartridge valven Check valven 1-way restrictor valven Pilot controlled check valven Shuttle valven 2-way flow control valven Pressure relief valven Pressure reducing valven Counterbalance valven Hydraulic cylinder with seal frictionn Hydraulic motor (variable displacement)n Hydraulic pump (variable displacement)n Hydraulic pump with constant pressure controllern Accumulator (adiabatic gas process)n Pipen Junctionsn ...

Example: Excavator Control

Hydraulic Circuit Model

n Create specificelements using library ofhydraulic components

n Connect componentstogether with junctionelements

n Connect hydrauliccircuit to mechanicalsystem through cylinder

Hydraulic + Mechanical Simulation

n Run complete systemsimulations including theeffects of hydraulic circuits

n Run static, transient,dynamic, and linearanalyses

n Tune the hydraulicelements using DOE,Design Sensitivity, andOptimization

Postprocess All Hydraulic Results

n Postprocessing includespressures, flow rates,valve positions, cylinderpositions, density ratios

Example: Crane Hydraulics

ADAMS/Engine

A Complete Environmentfor the Powertrain

Component Analysis

n Founding members

n Set goals and requirements for ADAMS/Engine

ADAMS/Engine Consortium

ADAMS/Engine Features

n Complete simulation solutionu Component-level

u Subsystem-level

u System-level

n 3D modelingu Bearing loads

u New valve train designs

u Detailed gear model

u Detailed chain/belt model

u Flexible bodies

Timing MechanismValve train Crank/PistonAccessory

Camshaft•torsional Vibrations•bearing loadsSingle Valve Train•cam pressure•valve dynamics•spring dynamics•HLA dynamics•frictional losses•new designs

Chains•roller/bushing•chain vibrations•contact loadsTooth Belt•ISO Standard Belts•tension force•vibrationsGear•spur/helical gears•gear vibrations

Belt •Vibration•Pulley loads•Power requirement•Bracket vibration…..

Crankshaft•flexible/rigid shaft•hydrostatic/dynamicbearing•bearing loads•vibrationsCon rod•flexible/rigidPiston ….

ADAMS/Engine

User Modes

n Normal user modeu Change subsystem parameters

u Run standard analyses

u Perform postprocessing

n Template builder modeu Define generic engine components

u Parametrics are created on the fly

u Template storage in shared andprivate databases

Modeling Elements inTemplate Builder(for valve train modeling)

n Contactsn Rocker Armsn Push Rodsn Valven Camn Cam Shaft Valve Springn Hydraulic Lash Adjustern Bearingn Tappetsn Rollern Plate

Assembly Process

Single Valve Train Complete Valve Train

Standard Tests

Rpm Sweep (1000 -6000 camshaft rpm) Constant rpm (6000 camshaft rpm)

Standard Plots

Cross Plotting

Multi Axis Plotting

Postprocessing of Transient ResponseAdditional result file for plotting with external tools

Chain Drive Applications

n System includesu Crank and cam sprocket

u Chain links, guide, and arm

u Hydraulic system

n Predictsu Tensioner performance

u Contact forces

u Chain tension

u Transient and dynamicresponse

u Used to study wear and noise

Gear Application

n Involute profile

n Changing number ofteeth in contact

n Changing amount ofbacklash due tochanges of the gearcenter distance

Belt Applications

u Tension forceu Stiction and dynamics frictionu Oscillations

u Tensioner performanceu Bearing load

CAT/ADAMS 10.0

BuildAssembly

CreateKinematics

Test forInterference & Function

Test forDynamic

Interference

Validate FEA with Dynamic

Loads

ModifyAssembly

ADAMS Dynamic Solver

Validatethe

System

Refine forImprovedReliability

Optimizethe

System

Interoperability between CATIA and ADAMS

CATIA ADAMS

CAT/ADAMS Version 10.0

n Support for embedded plottingu Uses new ADAMS/PostProcessor

n Support for new ADAMS contactsu Intelligent defaults increase ease of use

u More situations can be simulated

n Integration with control systemsu Supports export to ADAMS/Controls

u Critical for automotive and aerospace industry

n Improved QuickShellu State-of-the-art model transfer utility now 20 - 40% faster

u Improved reliability of the transfer

Contacts in CAT/ADAMS

“I am very excited! I feelconfident in the results anddon’t have to check themall of the time.”

- Steve Doncov

Automotive Body Hardware

Summary

n ADAMS 10.0 increases simulation value for:

u the engineer/analyst

u the workgroup

u the enterprise

n An on-going commitment to market leadership

Managing Risk in the Development ProcessIntegrate People, Processes, Products, and Partners

Best Proof: An Example

n The new VW Beetleu Tested in the virtual world

u ...So it works in the physical world

u 1999 Automobile of the Year