Petroleum Science >2014,??Issue 4:??- DOI: https://doi.org/10.1007/s12182-014-0370-1
A multilevel preconditioner and its shared memory implementation for a new generation reservoir simulator Open?Access
文章信息
作者：Shu- hong Wu, Jin chao Xu, Chun sheng Feng, Chen-Song Zhang, Qiao-yun Li, Shi Shu, Bao-hua Wang, Xiao-bo Li , Hua Li
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投稿時(shí)間：
引用方式：Wu, S., Xu, J., Feng, C. et al. A multilevel preconditioner and its shared memory implementation for a new generation reservoir simulator. Pet. Sci. 11, 540–549 (2014). https://doi.org/10.1007/s12182-014-0370-1.
文章摘要
Abstract: As a result of the interplay between advances in computer hardware, software, and algorithm, we are now in a new era of large-scale reservoir simulation, which focuses on accurate flow description, fine reservoir characterization, efficient nonlinear/linear solvers, and parallel implementation. In this paper, we discuss a multilevel preconditioner in a new-generation simulator and its implementation on multicore computers. This preconditioner relies on the method of subspace corrections to solve large-scale linear systems arising from fully implicit methods in reservoir simulations. We investigate the parallel efficiency and robustness of the proposed method by applying it to million-cell benchmark problems.
關(guān)鍵詞
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Key words: Multilevel, preconditioner, shared memory, large-scale linear system, reservoir simulation