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首页> 外文期刊>Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology >Collocation mesh-free method to solve the gray phonon Boltzmann transport equation
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Collocation mesh-free method to solve the gray phonon Boltzmann transport equation

机译:搭配网状方法解决灰色敏龙玻璃传输方程

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摘要

The phonon Boltzmann transport equation (BTE) is an important governing equation for phonon transport at the subcontinuum scale. Numerically solving the BTE can help to study the heat transfer phenomena at microscale and nanoscale, for example, in electronic devices or nanocomposites. In this work, we developed a collocation mesh-free method to solve the BTE for different heat transfer regimes. The proposed numerical scheme does not require meshing the domain or performing numerical integration, and is thus advantageous for problems with complicated geometries. A few case studies show that our method can yield comparable results with semianalytical and finite volume methods.
机译:声子Boltzmann传输方程(BTE)是子系统规模处的声子传输的重要方程。 数值求解BTE可以有助于在微尺度和纳米级的传热现象,例如,在电子器件或纳米复合材料中。 在这项工作中,我们开发了一种搭配网状方法来解决不同传热制度的BTE。 所提出的数值方案不需要网域或执行数值积分,因此有利于复杂几何形状的问题。 几个案例研究表明,我们的方法可以通过半角质和有限体积方法产生可比较的结果。

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