Recent Advances in Agglomerated Multigrid

Recent Advances in Agglomerated Multigrid
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聚合多重网格的最新进展

DOI：
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发表时间：
2013
期刊：
影响因子：
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通讯作者：
D. Hammond
D. Hammond
中科院分区：
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文献类型：
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作者：
H. Nishikawa;B. Diskin;James L. Thomas;D. Hammond

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我们报告最近的进展，凝聚多重网格方法的复杂流动模拟完全非结构化网格。凝聚多重网格求解器适用于从简单的二维几何形状到现实的三维配置的广泛的测试问题。该求解器将根据单网格求解器进行评估，在某些情况下，还将根据结构网格多重网格求解器进行评估。网格和求解器的问题被识别和克服，导致显着改善单网格求解器。
We report recent advancements of the agglomerated multigrid methodology for complex flow simulations on fully unstructured grids. An agglomerated multigrid solver is applied to a wide range of test problems from simple two-dimensional geometries to realistic three- dimensional configurations. The solver is evaluated against a single-grid solver and, in some cases, against a structured-grid multigrid solver. Grid and solver issues are identified and overcome, leading to significant improvements over single-grid solvers.