The work develops pressure diffusion items for low-diffusion upwind schemes to suppress carbuncle instability. This approach effectively restrains pressure perturbation inside the internal shock structure, thereby improving shock robustness. It can preserve contact discontinuity without additional numerical viscosity. Numerical cases demonstrate that it can provide a suitable candidate for hypersonic flow simulations.


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    Title :

    Pressure Diffusion Item to Improve Shock Robustness for Low-Diffusion Upwind Schemes


    Contributors:
    Chen, Shu-sheng (author) / Yang, Hua (author) / Li, Zheng (author) / Gao, Zheng-hong (author)


    Publication date :

    2021-07-16


    Size :

    8679162 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English