27th Congress of International Council of the Aeronautical Sciences, 19 - 24 September 2010, Nice, France
Paper ICAS2010-P2.4
THE RESEARCH OF DISCONTINUOUS GALERKIN P-MULTIGRID SOLVER
Y. H. Guo, Y. Yang, Z. J. Duan
NPU, China
Keywords: normal orthogonal basis, p-multigrid, discontinuous galerkin
A p-multigrid algorithm is established for the discontinuous Galerkin method. The 2-D Euler equations is solved by this means and the transonic flowfield of airfoil is simulated sucessfully. It is obvious that 80 percent iterations and CPU time is saved, approximately.
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