One of the important measure in race car design is torsional stiffness. To obtain that specification, a twist test must be performed on the Chassis. Here is a simplified version of race car chassis with a composite monocoque and two front suspension links. To simulate a twist test, the back of the monocoque will be fixed while coupling will be applied tot he end of the two front suspension. the .igs file for the geometry can be monocoque.IGS.
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