Numerical Investigation of Generalized Nested Factorization Preconditioner for Reservoir Simulation Problems

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In this paper we present some results on application of Generalized Nested Factorization (GNF) preconditioner for real-life reservoir simulation problems. The test problems considered in the paper share some important features with reservoir models arise in real-life practice, e.g., a presence of non-local cell connections and unstructured computational grids. Numerical results are compared with the ones obtained using standard ILUT preconditioning techniques. Spectral properties of preconditioned matrices are analyzed. As a result very good performance of GNF preconditioner is observed for real-life reservoir simulation problems.

About the authors

V E Borisov

Moscow State University

Department of mathematics and mechanics

E B Savenkov

Keldysh Institute for Applied Mathematics RAS



Copyright (c) 2013 Борисов В.Е., Савенков Е.Б.

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This work is licensed under a Creative Commons Attribution 4.0 International License.

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