Pc Crash Manual

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  • PC-CRASH A Simulation Program for Vehicle Accidents

    Operating Manual Version 8.1

    November 2007

    Dr. Steffan Datentechnik Linz, Austria

    Distributed and Supported in North America by:

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  • Contents i

    Contents

    CHAPTER 1 INSTALLATION .............................................................................................................................1 INTRODUCTION ...................................................................................................................................................1 THE PC-CRASH SOFTWARE PACKAGE.................................................................................................................1 HARDWARE REQUIREMENTS ...............................................................................................................................1 USE OF MOUSE AND PRINTERS ...........................................................................................................................1 INSTALLATION OF PC-CRASH ..............................................................................................................................2

    Licensing PC-Crash......................................................................................................................................................6 DEMO-VERSION..................................................................................................................................................7 PC-CRASH FEATURES........................................................................................................................................8

    Additional Features of PC-Crash 3D ............................................................................................................................9 CHAPTER 2 WORKING WITH PC-CRASH .....................................................................................................13

    MENU OPTIONS ................................................................................................................................................13 HOT KEYS ........................................................................................................................................................24 DEFAULT SETTINGS ..........................................................................................................................................24

    Units ...........................................................................................................................................................................28 STARTING A NEW PROJECT...............................................................................................................................29

    Project Wizard ............................................................................................................................................................30 LOADING OR SAVING PROJECTS ........................................................................................................................30

    Autosave ....................................................................................................................................................................31 MAIN SCREEN DISPLAY.....................................................................................................................................31

    Display Settings..........................................................................................................................................................31 Vehicle Shape ............................................................................................................................................................31 Last Branch ................................................................................................................................................................31 Refreshing the Screen................................................................................................................................................32

    LOADING VEHICLES...........................................................................................................................................32 Vehicle Databases......................................................................................................................................................32 Custom Vehicles.........................................................................................................................................................35 Vehicle Construction...................................................................................................................................................36

    VEHICLE SETTINGS...........................................................................................................................................37 TRAILERS .........................................................................................................................................................38 SAVING A VEHICLE............................................................................................................................................39 DELETING OR REPLACING A VEHICLE .................................................................................................................39 ATTACHING 2D AND 3D SHAPES TO VEHICLES ...................................................................................................40 SCENE DATA INPUT ..........................................................................................................................................40

    2D Scenes..................................................................................................................................................................40 3D Scenes..................................................................................................................................................................41 Friction Polygons ........................................................................................................................................................43

    DEFINING INITIAL VEHICLE CONDITIONS .............................................................................................................43 Position and Velocity ..................................................................................................................................................43 The Tow Truck Tool....................................................................................................................................................43 Positioning Vehicles on 3D Surfaces..........................................................................................................................44 Initial Yaw ...................................................................................................................................................................45 Backing up..................................................................................................................................................................45

    SCENE DISTANCES AND SCALING ......................................................................................................................46 Measuring Distances ..................................................................................................................................................46 Grid.............................................................................................................................................................................46 Scale ..........................................................................................................................................................................46

    MOTION SEQUENCES (F6) .................................................................................................................................46 COLLISION ANALYSIS ........................................................................................................................................48

    Preparing for a Crash Simulation................................................................................................................................48 Impact Position ...........................................................................................................................................................49 Definition of a new Start Position................................................................................................................................50

  • ii Contents

    Crash Simulation ........................................................................................................................................................51 EES Values ................................................................................................................................................................54 Post-Impact Trajectories.............................................................................................................................................54 Pre-Impact Trajectories ..............................................................................................................................................55 Saving the Simulation as a Drawing ....................................................................................................