Modeling Steady-State Suspension Kinematics and Vehicle Dynamics of Road Racing Cars - Part II: Examples

Paper #:
  • 942506

Published:
  • 1994-12-01
Citation:
Crahan, T., "Modeling Steady-State Suspension Kinematics and Vehicle Dynamics of Road Racing Cars - Part II: Examples," SAE Technical Paper 942506, 1994, https://doi.org/10.4271/942506.
Author(s):
Pages:
22
Abstract:
The methods and equations presented in Part I (SAE Paper #942505) were used to create a steady-state vehicle simulation program which runs on a personal computer. This program models the kinematic and dynamic behavior of road racing vehicles which use unequal length A arm suspensions. It is capable of modeling the outboard spring, rocker-arm, pull-rod and push-rod suspension types commonly found in road racing vehicles. Steady-state reactions to lateral, longitudinal & vertical accelerations are calculated for a vehicle, based on its basic design specifications.Sample designs for a CART Indy car, IMSA GTS car and two properly & poorly designed Formula Fords are provided along with their computer generated modeling results.
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