Homotopy Continuation for Correction Procedure via Reconstruction – Discontinuous Galerkin (CPR-DG) Methods

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AIAA-2015-0570.pdf (932.31 KB)

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http://hdl.handle.net/11603/7694

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UMBC Mechanical Engineering Department
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2015

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conference papers and proceedings
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Meilin Yu and Zhi J. Wang. "Homotopy Continuation for Correction Procedure via Reconstruction - Discontinuous Galerkin (CPR-DG) Methods", 53rd AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2015-0570) https://doi.org/10.2514/6.2015-0570

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Subjects

homotopy continuation
reconstruction – discontinuous Galerkin methods
CPR-DG
steady state hyperbolic conservation laws
flow simulations of shock capturing

Abstract

Homotopy continuation for correction procedure via reconstruction – discontinuous Galerkin (CPR-DG) methods is developed for solving steady state hyperbolic conservation laws. The efficacy of homotopy continuation has been demonstrated using both 1D and 2D steady flow problems. According to the test results, it is found that homotopy continuation can work robustly on flow simulations of shock capturing for a wide range of grid sizes and polynomial orders without parameter tuning.