Field-split preconditioned active-set reduced-space algorithm for complex black oil reservoir simulation at large-scale

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Lijuan Shi, Haijian Yang, Zemin Ji, Lei Jiang, Chao Yang

Published: 2024, Last Modified: 11 Oct 2025J. Comput. Phys. 2024EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Adaptive time stepping scheme with finite volume method for fully implicit discretization.•An improved active-set reduced-space (ASRS) algorithm for bound-preserving solution.•Several types of field-split (FS) methods with domain decomposition for largescale preconditioning.•Complex black oil reservoir simulation with up to 27440 processor cores.