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: 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 Contents • i Crash Simulation ........................................................................................................................................................51 EES Values ................................................................................................................................................................54 Post-Impact Trajectories.............................................................................................................................................54 Pre-Impact Trajectories ..............................................................................................................................................55 Saving the Simulation as a Drawing ...........................................................................................................................57 AUTOMATIC COLLISION ANALYSIS ....................................................................................................................