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Solution of industrial CFD problems with structured Boltzmann approach
Author(s) -
Ibraghimova Elena
Publication year - 2007
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.200700839
Subject(s) - discretization , solver , computational science , computer science , multilinear map , grid , tensor (intrinsic definition) , boltzmann equation , domain (mathematical analysis) , computational fluid dynamics , parallel computing , domain decomposition methods , software , mathematics , mathematical optimization , finite element method , physics , mathematical analysis , mechanics , geometry , thermodynamics , programming language , quantum mechanics , pure mathematics
A new algorithm and acorresponding software package are developed that contain a fast tensor algorithm for the deterministic solution of the Boltzmann equation. The domain space discretisation performed with the Delaunay grid and the velocity space discretisation is performed with the tensor grid, and benefits with multilinear decomposition. This algorithm is also implemented for GPGPU processors, which allows to reach very high computational performance. The memory and complexity requirements are comparable with most Navier‐Stockes solvers, however we solve the Boltzmann equation with chemical reactions. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)