TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES
Online ISSN : 2189-4205
Print ISSN : 0549-3811
ISSN-L : 0549-3811
Validation of Arbitrary Unstructured CFD Code for Aerodynamic Analyses
Keiichi KITAMURAKeiichiro FUJIMOTOEiji SHIMAKazuto KUZUUZ. J. WANG
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JOURNALS FREE ACCESS

2011 Volume 53 Issue 182 Pages 311-319

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Abstract

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.

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© 2011 The Japan Society for Aeronautical and Space Sciences
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