Volume 27, Issue 2 (1-2009)
2009, 27(2): 123-137 |
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M.S. Hosseini, M. Ameri and S.M. Fagheih. Combination of Adaptive-Grid Embedding and Redistribution Methods on Semi Structured Grids for two-dimensional invisid flows. Computational Methods in Engineering 2009; 27 (2) :123-137
URL: http://jcme.iut.ac.ir/article-1-455-en.html
URL: http://jcme.iut.ac.ir/article-1-455-en.html
Abstract: (3703 Views)
Among the adaptive-grid methods, redistribution and embedding techniques have been the focus of more attention by researchers. Simultaneous or combined adaptive techniques have also been used. This paper describes a combination of adaptive-grid embedding and redistribution methods on semi-structured grids for two-dimensional invisid flows. Since the grid is semi-structured, it is possible to use different algorithms for combining adaptive-grid embedding and redistribution methods. To
evaluate the accuracy and efficiency of the method, this combination is used to solve two model problems, transonic and supersonic inviscid flows in channels with circular arc bump. The results show that combination of adaptive-grid embedding and redistribution methods on semi-structured grids remarkably increases the accuracy at the cost of a slight increase in computational time in comparison with the embedding method alone.
