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Modelling deformations in car crash animation

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Abstract

In this paper, we present a prototype of a deformation engine to efficiently model and render the damaged structure of vehicles in crash scenarios. We introduce a novel system architecture to accelerate the computation, which is traditionally an extremely expensive task. We alter a rigid body simulator to predict trajectories of cars during a collision and formulate a correction procedure to estimate the deformations of the collapsed car structures within the contact area. Non-linear deformations are solved based on the principle of energy conservation. Large plastic deformations resulting from collisions are modelled as a weighted combination of deformation examples of beams which can be produced using classical mechanics.

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Correspondence to Jian J. Zhang.

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Chang, J., Zhang, J.J. & Zia, R. Modelling deformations in car crash animation. Vis Comput 25, 1063–1072 (2009). https://doi.org/10.1007/s00371-009-0386-5

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