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首页> 外文期刊>Pure and Applied Geophysics >A Parallel Implementation of the Lattice Solid Model for the Simulation of Rock Mechanics and Earthquake Dynamics
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A Parallel Implementation of the Lattice Solid Model for the Simulation of Rock Mechanics and Earthquake Dynamics

机译：格子实体模型的并行实现，用于模拟岩石力学和地震动力学

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— The Lattice Solid Model has been used successfully as a virtual laboratory to simulate fracturing of rocks, the dynamics of faults, earthquakes and gouge processes. However, results from those simulations show that in order to make the next step towards more realistic experiments it will be necessary to use models containing a significantly larger number of particles than current models. Thus, those simulations will require a greatly increased amount of computational resources. Whereas the computing power provided by single processors can be expected to increase according to “Moore’s law,” i.e., to double every 18–24 months, parallel computers can provide significantly larger computing power today. In order to make this computing power available for the simulation of the microphysics of earthquakes, a parallel version of the Lattice Solid Model has been implemented. Benchmarks using large models with several millions of particles have shown that the parallel implementation of the Lattice Solid Model can achieve a high parallel-efficiency of about 80% for large numbers of processors on different computer architectures.
机译：—莱迪思实体模型已成功用作虚拟实验室，用于模拟岩石的破裂，断层动力学，地震和断层过程。但是，这些模拟的结果表明，为了使下一步迈向更现实的实验，有必要使用包含比当前模型大得多的粒子数量的模型。因此，这些模拟将需要大量增加的计算资源。可以预期，根据“摩尔定律”，单处理器提供的计算能力会增加，即每18-24个月增加一倍，而并行计算机如今可以提供更大的计算能力。为了使这种计算能力可用于模拟地震的微观物理，已实现了莱迪思固体模型的并行版本。使用具有数百万个粒子的大型模型的基准测试表明，对于不同计算机体系结构上的大量处理器，并行实施Lattice Solid Model可以实现约80％的高并行效率。

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