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Adams/Car Suspension Analysis

Adams/Car Suspension Analysis. Chris Doudy Bryce Gill Eric Sprague. Adams/Car. Create new, or modify existing components Suspension Steering Chassis Simulate vehicle operation using roads or test rigs Analyze a wide range of simulation data numerically or graphically. Project Goals.

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Adams/Car Suspension Analysis

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  1. Adams/Car Suspension Analysis Chris Doudy Bryce Gill Eric Sprague

  2. Adams/Car • Create new, or modify existing components • Suspension • Steering • Chassis • Simulate vehicle operation using roads or test rigs • Analyze a wide range of simulation data numerically or graphically

  3. Project Goals • Understand Adams/Car • Interface and general operation • Design and creation of suspensions and vehicles • Specifying analysis conditions • Create tutorial documentation for future users • Perform an analysis on the Vandal FHSAE racing team’s suspension design

  4. Tutorials • Driving Machine • Event Builder • Suspension Analysis • Flexible Bodies • Template Builder • Full Vehicle Analysis Adams Car Interface

  5. Driving Machine • Simulate precision vehicle control • Specify maneuver characteristics • Velocity • Turn radius • Transmission and braking operation Assembly ready for simulation

  6. Event Builder • Create events for use in the Driving Machine • Events consist of mini maneuvers • Velocity • Steering • Transmission and braking • Abort and stop conditions Event Builder Interface

  7. Suspension Analysis • Suspension and steering assembly analysis • Wheel travel • Suspension forces • Brake pull at steering wheel • Scrub radius • Modify suspension geometry Suspension analysis with parameters for parallel wheel travel simulation

  8. Suspension Analysis Graphical Analysis of simulation results for parallel wheel travel

  9. Flexible Bodies • Include flexure in suspension simulation • Compare flexible results to rigid • Individual rigid-to-flex part substitution • Modify flexible body properties Flexible component deformation

  10. Template Builder • Design suspension geometry • Specify material properties and other parameters • Construct and assemble components • Perform analysis of new suspension Midway through suspension construction

  11. Full Vehicle Analysis • Assemble Components for analysis • Front and rear suspension • Steering Assembly • Tires • Chassis and Engine • Various types of analysis • Velocity and steering specifications • Road geometry and condition • Quasi-static maneuvers • Events from event builder Setup for single lane change analysis

  12. Full Vehicle Analysis Simulation result: Full-vehicle analysis, Single Lane Change event with steering angle specified

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