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The Application of Unstructured Grid in Related Numerical Programming

机译：非结构化网格在相关数字节目中的应用

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摘要

In computational fluid dynamics programming, meshing quality determines the reliability of the results of numerical calculation. For numerical programming in heat and mass transfer of U-type ground heat exchangers (GHE) in ground source heat pump (GSHP) systems, considering the limitation of the structured grid technology for complex geometric model, unstructured grid technology should be adopted. In this paper, combined with the application and research status at home and abroad, the performance characteristics of the commonly used three kinds of unstructured grid technologies are compared, and the applications of three-dimensional Delaunay grid technology in the related fields are introduced, with emphasis on the research status of the two key problems in the application of this technology, namely boundary consistency and sliver elements. The purpose of this paper is to provide help for the numerical calculation programming of U-type GHE in GSHP systems under coupled heat conduction and advection.
机译：在计算流体动力学编程中，啮合质量决定了数值计算结果的可靠性。对于在地源热泵（GSHP）系统中的U型接地热交换器（GHE）的热量和传质中的数值编程，考虑到结构化电网技术的限制，用于复杂几何模型，应采用非结构化网格技术。在本文中，结合国内外的应用和研究状态，比较了常用三种非结构化网格技术的性能特点，并介绍了三维Delaunay电网技术在相关领域的应用强调这项技术应用中的两个关键问题的研究状况，即边界一致性和条子元素。本文的目的是提供耦合热传导和平流的GSHP系统中U型GHE的数值计算规划的帮助。

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