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首页> 外文期刊>International Journal for Numerical Methods in Fluids >Parallel finite element methods for large-scale computation of storm surges and tidal flows
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Parallel finite element methods for large-scale computation of storm surges and tidal flows

机译:用于风暴潮和潮汐流大规模计算的并行有限元方法

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摘要

Massively parallel finite element methods for large-scale computation of storm surges and tidal flows are discussed here. The finite element computations, carried out using unstructured grids, are based on a three-step explicit formulation and on an implicit space-time formulation. Parallel implementations of these unstructured grid-based formulations are carried out on the Fujitsu Highly Parallel Computer AP1000 and on the Thinking Machines CM-5. Simulations of the storm surge accompanying the Ise-Bay typhoon in 1959 and of the tidal flow in Tokyo Bay serve as numerical examples. The impact of parallelization on this type of simulation is also investigated. The present methods are shown to be useful and powerful tools for the analysis of storm surges and tidal flows.
机译:本文讨论了大规模并行计算风暴潮和潮汐流的有限元方法。使用非结构化网格进行的有限元计算基于三步显式公式和隐式时空公式。这些非结构化基于网格的公式的并行实现是在Fujitsu高度并行计算机AP1000和Thinking Machines CM-5上进行的。作为数值示例,对1959年伊势湾台风伴随的风暴潮和东京湾的潮流进行了模拟。还研究了并行化对这种类型的仿真的影响。本方法被证明是用于分析风暴潮和潮汐流的有用和强大的工具。

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