copyright 2007 msc.software corporation msc.software corporation 2 macarthur place santa ana, ca...

Copyright 2007 MSC.Software Corporation

MSC.Software Corporation2 MacArthur Place

Santa Ana, CA 92707, USATel: (714) 540-8900Fax: (714) 784-4056

Web: http://www.mscsoftware.com

United States

MSC.Patran Support

Tel: 1-800-732-7284

Fax: (714) 979-2990

Tokyo, Japan

Tel: 81-3-3505-0266

Fax: 81-3-3505-0914

Munich, Germany

Tel: (+49)-89-43 19 87 0

Fax: (+49)-89-43 61 716

MD R2 Adams/Car

June 2007

ADM740 Course Notes

Part Number: MDAM*R2*Z*Z*Z**SM-ADM740-NT1


LEGAL INFORMATION

MSC.Software Corporation reserves the right to make changes in specifications and other information contained in this document without prior notice. The concepts, methods, and examples presented in this text are for illustrative and educational purposes only, and are not intended to be exhaustive or to apply to any particular engineering problem or design. MSC.Software Corporation assumes no liability or responsibility to any person or company for direct or indirect damages resulting from the use of any information contained herein.

Copyright © 2007 MSC.Software Corporation. All Rights Reserved. This notice shall be marked on any reproduction of this documentation, in whole or in part. Any reproduction or distribution of this document, in whole or in part, without the prior written consent of MSC.Software Corporation is prohibited.

The MSC.Software corporate logo, Adams, Dytran, Easy5, Fatigue, Laminate Modeler, Marc, Mentat, MD Nastran, MD Patran, MSC, MSC Nastran, Mvision, Patran, SimDesigner, SimEnterprise, SimManager, SimXpert and Sofy are trademarks or registered trademarks of the MSC.Software Corporation in the United States and/or other countries. NASTRAN is a registered trademark of NASA. All other trademarks belong to their respective owners.


TABLE OF CONTENTS

Section Page

0.0 Welcome to Adams/Car Training

A Brief History of Adams …………………….………………………………………………………………….. 0-5About MSC.Software ...…………………………………………………………………………………………… 0-7Getting Help …………...……………………………………………………………………………………………0-8A Review of Basic Adams Terminology.………………………………………………………………………… 0-12

1.0 Introducing Adams/CarMotivation for Using Adams/Car .....…………………………………………………………………………….. 1-5User Modes……………….. ………...……………………………………………………………………………..1-9Database Structure – A Directory Hierarchy …..………………………………………………………………..1-10Saving Files: Working Directory Versus Database ….…...……………………………………………………..1-12Configuration Files …………..….…...……………………………………………………………………………..1-13

2.0 Basic ConceptsData Hierarchy …...……...………...………………………………….……………………………..……………..2-5Test Rig ………………..………………………………………………….………………………..……………….2-9Major and Minor Roles ..…………………………………..…………..…………………………..……….………2-11Naming Convention .………………………………………..…………..………………………..……...…………2-13

3.0 Creating and Adjusting SubsystemsCreating Subsystems ………………………………………………………………….…………………………..3-5Modifying Subsystems ..………………………………………………………………….………………………..3-6Adjusting Hardpoints .…………………………………………………………………….………………………..3-7Adjusting Parameter Variables ………………………………………………………….………………………..3-9Adjusting Mass Properties ……………………………………………………………….………………………..3-12Swapping Rigid Bodies With Flexible Bodies ………………………………………….………………………..3-13


TABLE OF CONTENTS (Cont.)

Section Page

Adjusting Springs and Dampers …………………………..…………………………….………………………..3-15More Subsystem Adjustments ……………….………………………………………….………………………..3-18Replacing Instance Definition ……………….………………………………………….……….………………..3-19

4.0 Curve Manager and Property File EditorProperty Files With Curve Manager/Property File Editor ……………………………….…………………….. 4-5Property File Types ……………...………………………………………………………….……………………..4-8Creating Property Files …...………...……………………………………………………………………………..4-10Property File Editor….……………………………………………………………………….……………………..4-14Converting TiemOrbit Files to XML .……………..……………………………………….……….…………….. 4-16Modifying an Existing Property File ……………………………………………………….…………………….. 4-18Plot Versus Table ……………...…………………………………………………………….……………………..4-19

5.0 Plot Configuration FilesCreating Plot Configuration Files ……………………………………………………………………..…………. 5-6Creating Plots Using a Plot Configuration File ...…………………………………………………..……………5-8Format of Plot Configuration Files …..……………………………………………………………...…………….5-10Example Plot Configuration File ...…..……………………………………………………………...…………….5-13

6.0 Creating and Simulating SuspensionsCreating Suspension Assemblies ………………………………………………….……………………………..6-5Half-Vehicle Analysis ……………………………………………………………………………………..………..6-8Suspension Parameters …..………………………………………………………………………………..……..6-10Creating Loadcases ….…………….……………………………………………………………..………………..6-13Warning Messages ..…………….…………………………………………………………………..……………..6-14Dynamic Analysis …………………………………………………………………………………………………..6-15Warning Messages…………………………………………………………………………………………….……6-16Files Produced by Analyses ….………………………………………………………………….………………..6-17



Section Page

7.0 Creating and Simulating Full VehiclesCreating Full-Vehicle Assemblies ……………………………………………………………………………….. 7-5Shifting Subsystems ……….……………………………………………………………………..………………..7-7Updating Subsystems and Assemblies ...………………………………………………………………………..7-9Synchronizing Subsystems and Assemblies ...……………………………………………...…………………..7-10Adding/Removing and Activating/Deactivating Subsystems ……………………………...…………………..7-11Adjusting Mass ……………………………….....……………………………………………...…………………..7-15Full-Vehicle Analyses ……………………….....……………………………………………...…………………..7-18Full-Vehicle Event Generator ...…………….....……………………………………………...…………………..7-21

8.0 Driving MachineStandard Driver Interface (SDI) and Driving Machine …………….………………………….……………….. 8-6Why Use SDI?………………………..……………………………………………………………………………..8-8Data Flow …………….…………..…………………………………………………………………..……………..8-10Using the Driving Machine …….…………………………………………………………………………………..8-12Limitations ………………...…….…………………………………………………………………………………..8-14Creating Inputs for SDI …..…….…………………………………………………………………………………..8-15Event Files………………………………………………………………………………………………………….. 8-16Example Event Files……………………………………………………………………………………………… 8-18Creating Event Files .…………………………………………………………………………………………….. 8-20Structure of Event Files ……….………………………………………………………………………………….. 8-21Specifying End Conditions …….…………………………………………………………………………………..8-25Extensible End and Abort Conditions ..…………………………………………………………………………..8-31Specifying Attributes ……..…….…………………………………………………………………………………..8-32Driver Control Data Files ……...…………………………………………………………………………………..8-37Driver Control Data File Architecture ….…………………………………………………………………………8-39Creating .DCD Files……………………...…………………………………………………………………………8-42



Section Page

9.0 ParameterizationParameterization in Adams/Car ………………………………………………………………….…………….. 9-5Creating Hardpoints ..….………………………………………………………………………………………….. 9-6Creating Construction Frames ...……………………………………………………………..………………….. 9-8Location Parameterization ……...……………………………………………………………..…………………..9-12Orientation Parameterization ……...……………………………………………………………..……………….9-18

10.0 Building TemplatesTemplate Overview …….……….…………………………………………………………………………...……..10-5Template Topology ……………….………………………………………………………………………………..10-6File Architecture ….……………….………………………………………………………………………………..10-8Building A New Template ……………….…………………………………………………………………………10-10Types of Parts …….……………….………………………………………………………………………………..10-11Rigid and Flexible Bodies (Parts) .………………………………………………………………………………..10-13Geometry ………….……………….………………………………………………………………………………..10-15Attachments (Joints and Bushings) ..……………………………………………………………………………..10-17Springs …………….……………….………………………………………………………………………………..10-18Dampers ……………….……………………..……………………………………………………………………..10-21Bumpstops and Reboundstops ….………………………………………………………………………………..10-22Toe/Camber Angles and Suspension Parameter Array ………………………………………………………..10-24Adjustable Forces ……..………….………………………………………………………………………………..10-26General Advice …...……………….………………………………………………………………………………..10-28



Section Page

11.0 CommunicatorsTypes of Communicators …………………………………………………………………..……………………...11-5Classes of Communicators .…………………………………………………………………….……...…………11-7Communicator Symmetry ……………………………………………………………………….……...…………11-10 Communicator Roles …………………………………………………………………………….……...

………… 11-11 Naming Communicators ..……………………………………………………………………….……...………… 11-13 Matching Communicators During Assembly ………………………………………………….……...………… 11-16 Matching Communicators With Test Rigs ……………………………………………….…….……...………… 11-22

12.0 Using Flexible BodiesFlexible Body Overview ..………….…………………………………………………………………..…………..12-5Limitations of Flexible Bodies ...…………………………………………………………………..………..……..12-7Getting Flexible Bodies ………….…………………………………………………………………….…………..12-8 Modal Superposition ….………….…………………………………………………………………….

………….. 12-9 Visualization Attributes .………….…………………………………………………………………….………….. 12-11

About Joints and Motions ……….…………………………………………………………………….…………..12-16Joints Connection Limitations .….…………………………………………………………………….…………..12-17

13.0 RequestsToggle Requests Activity ...…….……………………………………………………………………...…………..13-5

14.0 TiresTire Overview ……….…………….………………………………………………………………………….……..14-5Adams/Tire Modules ...…………………………………………………………………………………..……….. 14-7Tire Models ………..……..……….……………………………………………………………………….………..14-15Road Types ………………….…………………………………………………………………..…………..……..14-16Example 2D Road (Ramp) ……….………………………………………………………………………………..14-18Using the 3D Equivalent-Volume Model ……………………………………………………………….……….. 14-19Example 3D Road ………………………..……………………………………………………………….………..14-22



Section Page

3D Spline Road …………………………..……………………………………………………………….………..14-23Sample Road Data File…………………..……………………………………………………………….………..14-24Using the 3D Spline Road……...………..……………………………………………………………….………..14-25How You Use Adams/Tire….....………..……………………………………………………………….……….. 14-26

15.0 Exploring TemplatesInvestigating Templates ……………………...……………………………………………………………..……..15-5Understanding Templates ….………………………………………………………………………….…………..15-6About the Database Navigator .……………………………………………………………….……………...…..15-8

16.0 Adams/Car MechatronicsAdams/Car Mechatronics…..………………...……………………………………………………………..……..15-3Benefits of Adams/Car Mechatronics……………………………………………………………….………….. 15-5Methods of linking Control Systems ……………………………………………………….……………...….. 15-6

17.0 Additional ApplicationsAdams/Car Ride ……..…………………………..……………………………………………………………….. 17-5Adams/Vibration ……..…………………………..……………………………………………………………….. 17-9Adams/Durability ...…..…………………………..……………………………………………………………….. 17-11Adams/Driveline ……..…………………………..……………………………………………………………….. 17-13Adams/Linear … ……..…………………………..……………………………………………………………….. 17-15Adams/Controls ……..…… ……………………..……………………………………………………………….. 17-16Adams/Insight …….. ...…………………………..……………………………………………………………….. 17-17

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