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Validation of Arbitrary Unstructured CFD Code for Aerodynamic Analyses

机译：验证用于空气动力学分析的任意非结构化CFD代码

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摘要

An unstructured grid CFD code capable of handling arbitrary polyhedra, named "LS-FLOW," is developed for aerodynamic analyses of complex geometries. Through a series of numerical test cases, it is demonstrated that LS-FLOW can handle both structured and body-fitted/Cartesian hybrid unstructured grids successfully. Then, the code is validated by comparison with experimental data and theoretical solutions. In addition, it is shown that when a Baldwin-Lomax algebraic turbulence model is employed on the body-fitted/Cartesian grid, the portion of the body-fitted grid should be large enough to contain the whole boundary-layer. Finally, LS-FLOW is applied to a rocket configuration, and its future prospects are addressed.
机译：开发了一种能够处理任意多面体的非结构化网格CFD代码，称为“ LS-FLOW”，用于复杂几何形状的空气动力学分析。通过一系列数值测试案例，证明了LS-FLOW可以成功处理结构化和身体/笛卡尔混合非结构化网格。然后，通过与实验数据和理论解进行比较来验证代码。此外，还表明，当在人体拟合/笛卡尔网格上使用Baldwin-Lomax代数湍流模型时，人体拟合网格的部分应足够大以包含整个边界层。最后，将LS-FLOW应用于火箭构型，并探讨了其未来前景。

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