SC21 Proceedings

The International Conference for High Performance Computing, Networking, Storage, and Analysis

Accelerating the Visualization of Spatio-Temporal Simulations with Non-Evolving Meshes

Authors: Alejandro Ribes and Anthony Geay (EDF Research and Development) and Mathieu Westphal (Kitware Inc)

Abstract: Numerical simulations, such as finite elements, deal with both space and time discretizations of fields. For the discretization of space, a mesh is normally used. Concerning the temporal evolution of the spatial discretization, in the general case, a different mesh can be used per time step. It is often the case, however, that the mesh is non-evolving, meaning that it stays the same for all time steps. This case is of great importance in industrial practice. In this work, we show that taking into account the non-evolving nature of a simulation leads to a strong acceleration of the visualization. We demonstrate this point by the use of the ParaView open-source software. We implement this idea and compare the results with the baseline ParaView. We report strong accelerations, speedups of the order of hundreds, in our results.

Best Poster Finalist (BP): no

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