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An isentropic flow algorithm with body fitted meshes

Glaister, P. (1991) An isentropic flow algorithm with body fitted meshes. Computers & Mathematics with Applications, 22 (12). pp. 47-53. ISSN 0898-1221

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To link to this item DOI: 10.1016/0898-1221(91)90146-U


An efficient algorithm based on flux difference splitting is presented for the solution of the three-dimensional equations of isentropic flow in a generalised coordinate system, and with a general convex gas law. The scheme is based on solving linearised Riemann problems approximately and in more than one dimension incorporates operator splitting. The algorithm requires only one function evaluation of the gas law in each computational cell. The scheme has good shock capturing properties and the advantage of using body-fitted meshes. Numerical results are shown for Mach 3 flow of air past a circular cylinder. Furthermore, the algorithm also applies to shallow water flows by employing the familiar gas dynamics analogy.

Item Type:Article
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Department of Mathematics and Statistics
ID Code:15642

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