Abstract

A rapid numerical simulator was constructed by applying the GPGPU technology to solve the 2-dimensional shallow water equations. This simulator is based on an explicit finite volume scheme combined with unstructured triangular meshes. With the power of GPGPU, this simulator can be used to simulate large scale Tsunami movement. Furthermore, by using unstructured meshes, complex boundary could also be represented well. The simulation results are verified and validated, and show that it is sufficiently accurate for real-world simulations.

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