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COMPARISON OF PRESSURE-BASED AND ARTIFICIAL COMPRESSIBILITY METHODS FOR SOLVING 3D STEADY INCOMPRESSIBLE VISCOUS FLOWS

机译:求解3D稳态不可压粘性流的基于压力的方法和人工可压缩方法的比较

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摘要

Pressure-based and artificial compressibility methods for calculating three-dimensional, steady, incompressible viscous flows are compared in this work. Each method is applied to the prediction of three-dimensional, laminar flows in strongly curved ducts of square and circular cross sections. Numerical predictions from each method are compared with available experimental data and previously reported predictions using a multigrid numerical method. The accuracy, grid independence, convergence behavior, and computational efficiency of each method are critically examined. Hence, some of the merits and demerits of each method are revealed in this study. (C) 1996 Academic Press, Inc. [References: 37]
机译:在这项工作中,比较了基于压力和人工可压缩性方法来计算三维,稳定,不可压缩的粘性流。每种方法都适用于预测正方形和圆形横截面的强弯曲导管中的三维层流。使用多网格数值方法将每种方法的数值预测与可用的实验数据和先前报告的预测进行比较。严格检查每种方法的准确性,网格独立性,收敛行为和计算效率。因此,这项研究揭示了每种方法的优缺点。 (C)1996 Academic Press,Inc. [参考:37]

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