High-order AMR computations of reacting flow with adaptive reduction of chemical stiffness

H. N. Najm, J. Ray, C. Safta, Y. Marzouk, M. Valorani, D. Goussis

Research output: Contribution to journalArticlepeer-review

Abstract

We outline a high-order adaptive mesh refinement construction for low Mach number reacting flow computations. We illustrate the order of accuracy on a model problem and demonstrate the construction for methane-air ignition in 2D channel flow. We also outline a nonparametric tabulation strategy for computational singular-perturbation time integration of a general chemical system. We demonstrate this adaptive chemistry technique for H 2-O2 ignition.

Original languageBritish English
Article number012032
JournalJournal of Physics: Conference Series
Volume125
DOIs
StatePublished - 2008

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