Abstract
The WENO method, RKDG method, RKDG method with original ghost fluid method, and RKDG method with modified ghost fluid method are applied to singlemedium and two-medium air-air, air-liquid compressible flows with high density and pressure ratios. We also provide a numerical comparison and analysis for the above methods. Numerical results show that, compared with the other methods, the RKDG method with modified ghost fluid method can obtain high resolution results and the correct position of the shock, and the computed solutions are converged to the physical solutions as the mesh is refined.
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Communicated by ZHOU Zhe-wei
Project supported by the National Natural Science Foundation of China (No. 10671120)
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Chen, Rs. Computation of compressible flows with high density ratio and pressure ratio. Appl. Math. Mech.-Engl. Ed. 29, 673–682 (2008). https://doi.org/10.1007/s10483-008-0511-y
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DOI: https://doi.org/10.1007/s10483-008-0511-y