Integrated Automotive Safety Handbook by Gonter Mark; Seiffert Ulrich;

Author:Gonter, Mark; Seiffert, Ulrich;
Language: eng
Format: epub
Publisher: SAE International

(6.4)

If we define the relative velocity at the beginning of the impact of both vehicles,

we get:

The velocity changes of both vehicles are:

(6.5)

(6.6)

The question is often asked: which velocities have to be taken to simulate a frontal collision of two identical vehicles. The equation shows that the velocity changes in both types of collisions have to be identical (). Therefore, the change of velocity against the fixed barrier has to be equal for the vehicle to vehicle collision . For the plastic impact the following equations are:

Case I: Impact against a fixed barrier

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