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首页> 外文期刊>Advanced engineering informatics >Corrigendum to 'Complex flow simulation in natural aquifer' [Adv. Eng. Inform. 23 (2009) 288-293]: An algorithm for parallel flow simulations in the finite element framework
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Corrigendum to 'Complex flow simulation in natural aquifer' [Adv. Eng. Inform. 23 (2009) 288-293]: An algorithm for parallel flow simulations in the finite element framework

机译:“天然含水层中复杂流动模拟”的勘误[Adv。 。通知。 23(2009)288-293]:在有限元框架中进行并行流模拟的算法

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摘要

The high advanced techniques in parallel computing can be employed for a better understanding of groundwater flow fluids. Generally, the geological media are very heterogeneous and contain complex structures. Decomposing these structures into, approximately, equivalent sub-structures for a load-balancing is a major challenge. This paper proposes and analyses a new algorithm to simulate parallel flow fluid in such complex media. Fully parallel software is developed, and two well-known sparse linear solvers, based respectively on a multifrontal Cholesky factorization and an iterative structured multigrid method, are compared. The mixed finite element (MFE) method is used to discretize Darcy's equation. Numerical examples are presented to show the efficiency and robustness of the algorithm proposed.
机译:可以采用并行计算中的高级技术来更好地了解地下水流动流体。通常,地质介质非常不均匀,并且包含复杂的结构。将这些结构分解为近似等效的子结构以实现负载平衡是一项重大挑战。本文提出并分析了一种在这种复杂介质中模拟平行流动流体的新算法。开发了完全并行的软件,并比较了分别基于多前沿Cholesky分解和迭代结构化多重网格方法的两个著名的稀疏线性求解器。混合有限元(MFE)方法用于离散Darcy方程。数值算例表明了所提算法的有效性和鲁棒性。

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