Parallel primal-dual active-set algorithm with nonlinear and linear preconditioners

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Guangliang Zhang, Haijian Yang, Tianpei Cheng, Chao Yang

Published: 2025, Last Modified: 11 Oct 2025J. Comput. Phys. 2025EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•The primal-dual active-set (PDAS) algorithm for bound-preserving solution.•Adaptive nonlinear preconditioning strategies to handle the high nonlinearity.•Theoretical analysis presents monotone and superlinear convergence results.•Complex multiphase reservoir simulation for CO2 injection model.