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The role of thermodynamics in model reduction when using invariant grids

By E. Chiavazzo, I.V. Karlin and A.N. Gorban

Abstract

In the present work, we develop in detail the process leading to reduction of models in chemical kinetics when using the Method of Invariant Grids (MIG). To this end, reduced models (invariant grids) are obtained by refining initial approximations of slow invariant manifolds, and used for integrating smaller and less stiff systems of equations capable to recover the detailed description with high accuracy. Moreover, we clarify the role played by thermodynamics in model reduction, and carry out a comparison between detailed and reduced solutions for a model hydrogen oxidation reactio

Topics: QC
Year: 2010
OAI identifier: oai:eprints.soton.ac.uk:172517
Provided by: e-Prints Soton
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