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Two-level virtual mesh refinement algorithm in a parallelized DSMC Code using unstructured grids
2011
Computers & Fluids
In this paper, a virtual mesh refinement (VMR) algorithm for unstructured grids is developed and verified in the parallelized direct simulation Monte Carlo code (PDSC). This algorithm is a two-level virtual mesh refinement, in which the background mesh is refined based on an initial DSMC simulation. The refined cells are arranged in a way similar to the structured grid, which makes the particle tracing on them very efficient, unlike unstructured grids. These virtual cells are used for particle
doi:10.1016/j.compfluid.2011.04.002
fatcat:bizp7kegv5ctvgkxd2jnguhrbq