Journal
ACTA ASTRONAUTICA
Volume 117, Issue -, Pages 338-355Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actaastro.2015.08.013
Keywords
Combustion; Detonation; Gas dynamics; Kinetics; Precision; Parallel computing
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Funding
- Russian Foundation for Basic Research [14-29-09128]
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The aim of the present study is to investigate problems of numerical simulations precision and stochastic errors accumulation in solving problems of detonation or deflagration combustion of gas mixtures in rocket engines. Computational models for parallel computing on supercomputers incorporating CPU and GPU units were tested and verified. Investigation of the influence of computational grid size on simulation precision and computational speed was performed. Investigation of accumulation of errors for simulations implying different strategies of computation were performed. (C) 2015 IAA. Published by Elsevier Ltd. All rights reserved.
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