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Title: An overset grid solver for viscous computations with multigrid and parallel computing
Authors: Cai, J. 
Tsai, H.-M. 
Liu, F.
Issue Date: 2003
Citation: Cai, J., Tsai, H.-M., Liu, F. (2003). An overset grid solver for viscous computations with multigrid and parallel computing. 16th AIAA Computational Fluid Dynamics Conference. ScholarBank@NUS Repository.
Abstract: We describe an approach to simulate accurately viscous flows around complex configurations using overset grids. A combination of patched multi-block and overlapping grids is used to discretize the flow domain. A hierarchical grid system with different layers of grids of varying resolution ensures inter-grid connectivity within a multigrid solution acceleration framework. At each stage of the numerical computation, the block boundaries maintain a regular information exchange between neighboring blocks be it patched or overlapping boundaries. Coarse-grain parallel processing is facilitated by the multi-blocking system. Numerical results of flows over multi-element airfoils and three-dimensional turbulent flows around wing-body Aerodynamic configurations show the feasibility and efficiency of the method for large-scale numerical computations. © 2003 by the authors.
Source Title: 16th AIAA Computational Fluid Dynamics Conference
ISBN: 9781624100864
Appears in Collections:Staff Publications

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