1984-04-01

The Daimler-Benz Mathematical Isohumane Simulation Model (ISM) 840856

In cooperation with J. Wittenburg, Daimler-Benz has developed a mathematical model of the dynamical characteristics of dummies commonly used as measuring devices to test the features in automobiles serving occupant protection.The mathematical formulation uses the Roberson-Wittenburg-algorithm. In comparison to other algorithms the computing time is very short.The model is composed of 11 rigid masses with together 30 degrees of freedom. The car has another 6 degrees of freedom.In the joints act 24 different forces. It was one of the biggest problem first to determine the force-deflection-characteristics and secondly to simulate those characteristics in a suitable way.

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