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http://dx.doi.org/10.5139/JKSAS.2008.36.11.1049

A Volume Grid Deformation Code for Computational fluid Dynamics of Moving Boundary Problems  

Ko, Jin-Hwan (건국대학교 항공우주정보시스템공학과)
Kim, Jee-Woong (건국대학교 항공우주정보시스템공학과 대학원)
Byun, Do-Young (건국대학교 항공우주정보시스템공학과)
Park, Soo-Hyung (건국대학교 항공우주정보시스템공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.36, no.11, 2008 , pp. 1049-1055 More about this Journal
Abstract
Modern multidisciplinary computational fluid dynamics often incorporates moving boundaries, as would be required in the applications such as design optimization, aeroelasticity, or forced boundary motion. It is challenging to develop robust, efficient grid deformation algorithms when large displacement of the moving boundaries is required. In this paper, a volume grid deformation code is developed based on the finite macro-element and the transfinite Interpolation, and then interfaces to a structured multi-block Navier-Stokes in-house code. As demonstrated by an airfoil with pitching motion, the hysteresis loops of lift, drag and moment coefficients of the developed method are shown to be in good agreement with those of experimental data.
Keywords
olume grid deformation; Computational fluid dynamics; Moving boundary problem; Finite macro-element; Tranfinite interpolation;
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