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Homogenization of transport properties of composites based on stochastic dynamics

机译:基于随机动力学的复合材料传输性质均质化

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摘要

A new stochastic dynamic homogenization method (SDHM) for the homogenization of transport properties of composites is introduced. The method is based on a stochastic dynamic description of the transport process. It exploits the formal correspondence between stochastic differential equations (SDE) and Fokker-Planck equations (FPE). Generalized homogenized conductivities are obtained from the flux of trajectories of a stochastic process that is the exact microscopic counterpart of the macroscopic conduction process through the composite. The method is meshless, does not require a spatial discretization of the governing equations, and is particularly well suited to the homogenization of random heterogeneous materials. (C) 2020 Elsevier Inc. All rights reserved.
机译:介绍了一种新的随机动态均质化方法(SDHM),用于复合材料的均质化复合材料的均质化。 该方法基于运输过程的随机动态描述。 它利用随机微分方程(SDE)和Fokker-Planck方程(FPE)之间的正式对应。 广义均化的均化导电是从随机过程的轨迹的焊剂获得的,这是通过复合材料的宏观传导过程的精确微观对应物。 该方法是无网格的,不需要控制方程的空间离散化,并且特别适合于随机异质材料的均质化。 (c)2020 Elsevier Inc.保留所有权利。

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