Two computer models are presented that simulate the vibration response of an automotive caliper-disc brake system during braking. The computer programs, each represented by simulation block diagrams, are designed to solve a set of seven ordinary second order coupled differential equations. The first program analyzes the equations using a constant stiffness value for all structural components. The second program allows the user to modify the polynomials describing the contact normal and shear stiffnesses of both brake pads independently. The programs are modified and executed using a graphical user interface (GUI), which allows the user to modify all parameters of the simulation. This includes energy input, caliper and pad dimensional and material properties, and plot (output) parameters.

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