首页> 外文期刊>Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology >FIRST-ORDER AND SECOND-ORDER MESHLESS FORMULATIONS OF THE RADIATIVE TRANSFER EQUATION: A COMPARATIVE STUDY
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FIRST-ORDER AND SECOND-ORDER MESHLESS FORMULATIONS OF THE RADIATIVE TRANSFER EQUATION: A COMPARATIVE STUDY

机译:辐射转移方程的一阶和二阶无网格公式:对比研究

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摘要

In this article we compare the first-and second-order formulations of the radiative transfer equation (RTE) by using a diffuse approximation meshless (DAM) method. These formulations include the first-order radiative transfer equation (FORTE), the second-order radiative transfer equation (SORTE), and the even parity method. All of them are solved without upwinding treatment. In order to investigate the accuracy and cost, different radiative transfer problems in complex 2-D and 3-D geometries are considered. Prediction results obtained by the proposed methods are compared with other references in order to illustrate the performance of different formulations and of the meshless method.
机译:在本文中,我们使用扩散近似无网格(DAM)方法比较了辐射传递方程(RTE)的一阶和二阶公式。这些公式包括一阶辐射传递方程(FORTE),二阶辐射传递方程(SORTE)和偶数奇偶校验方法。所有这些问题都得到了解决,没有任何迎头赶上的处理。为了研究准确性和成本,考虑了复杂的2D和3D几何形状中的不同辐射传递问题。通过提出的方法获得的预测结果与其他参考文献进行比较,以说明不同配方和无网格方法的性能。

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