GPU based simulation of collision detection of irregular vessel walls

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Conference Proceeding
Lecture Notes in Electrical Engineering, 2018, 422 pp. 443 - 453
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© Springer Nature Singapore Pte Ltd. 2018. Collision detection is a commonly used technique in the fields of computer games, physical simulation, virtual technology, computing and animation. When simulating the process of particle collision of ADS (Accelerator Driven Sub-Critical) system, complex and irregular vessel walls need to be considered. Generally, an irregular vessel wall is a curve surface, which cannot be defined as an exact mathematical function, and it is difficult to calculate the distance between particles and the wall directly. In this paper, we present an algorithm to perform collision detection between particles and irregular wall. When the number of particles reaches the level of 106, our algorithm implements a considerable improvement in performance if running on GPU, nearly 10 times faster than running on CPU. Results have demonstrated that our algorithm is promising.
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