Validation of Arbitrary Unstructured CFD Code for Aerodynamic Analyses

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概要

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• 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.

著者

• KITAMURA Keiichi

  JAXA’s Engineering Digital Innovation Center

• FUJIMOTO Keiichiro

  JAXA’s Engineering Digital Innovation Center

• SHIMA Eiji

  JAXA’s Engineering Digital Innovation Center

• KUZUU Kazuto

  JAXA’s Engineering Digital Innovation Center

• WANG Z.

  Iowa State University

関連論文

• Validation of Arbitrary Unstructured CFD Code for Aerodynamic Analyses
• Validation of Arbitrary Unstructured CFD Code for Aerodynamic Analyses

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