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首页> 外文期刊>Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology >Developing a ghost fluid lattice Boltzmann method for simulation of thermal Dirichlet and Neumann conditions at curved boundaries
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Developing a ghost fluid lattice Boltzmann method for simulation of thermal Dirichlet and Neumann conditions at curved boundaries

机译:在弯曲边界下开发鬼液晶格Boltzmann方法,用于模拟热爱米体和Neumann条件的模拟

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摘要

In this paper, a ghost fluid thermal lattice Boltzmann method is developed to simulate Dirichlet and Neumann thermal boundary conditions at curved boundaries. As such, a new formulation for both thermal boundary conditions is developed using a bilinear interpolation method. The presented method is also formulated to address the special cases that arise when the values of the macroscopic variables are interpolated at the image points surrounded by many solid nodes as well as the fluid nodes. The results of the presented method are compared to those available in the literature from conventional numerical methods, and excellent agreement is observed.
机译:在本文中,开发了一种鬼液热格式Boltzmann方法,用于在弯曲边界模拟Dirichlet和Neumann热边界条件。 这样,使用双线性插值方法开发出用于热边界条件的新配方。 还配制出呈现的方法以解决当宏观变量的值在由许多实体节点围绕的图像点处插入宏观变量的值以及流体节点时出现的特殊情况。 将呈现的方法的结果与来自常规数值方法的文献中可用的结果进行比较,并且观察到良好的一致性。

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