Computer simulation of automobile accidents ... a new research tool

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Abstract
Simulation programs are currently being developed by the Cornell Aeronautical Laboratory, Inc. (CAL) to implement analytical studies of the dynamics of automobile accidents. One CAL digital computer program simulates responses of the crash victim during a longitudinal collision (i.e., a frontal or rear impact). The eleven-degree-of-freedom non linear mathematical model is being used to evaluate the effects of belt-type restraints and energy absorption prop erties of vehicle interiors and structures. In another CAL research program, an eleven-degree-of- freedom nonlinear mathematical model of an automobile traversing irregular terrain and encountering obstacles has been formulated and programmed for a digital computer. This simulation provides an analytical means of evaluating existing and proposed roadside energy-conversion systems. The two simulation programs are described and their outputs are compared with experimental responses.

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