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The Random Projection Method for Stiff Multispecies Detonation Capturing

โœ Scribed by Weizhu Bao; Shi Jin

Book ID
102583767
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
273 KB
Volume
178
Category
Article
ISSN
0021-9991

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โœฆ Synopsis

In this paper we extend the random projection method, proposed for general hyperbolic systems with stiff reaction terms, for underresolved numerical simulation of stiff, inviscid, multispecies detonation waves. The key idea in this method is to randomize the ignition temperatures in suitable domains. Several numerical experiments, in both one and two dimensions, demonstrate the reliability and robustness of this novel method.

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โœ Weizhu Bao; Shi Jin ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 616 KB

We propose a random projection method for numerical simulations of hyperbolic conservation laws with stiff source terms arising from chemically reactive flows: In this problem, the chemical time scales may be orders of magnitude faster than the fluid dynamical time scales, making the problem numeri