X. Li  , X. Wang , Z. Shi, Y. Zhang

DOI Number XXX-YYY-ZZZ

Conference Number HiSST 2018_17401155

This paper describes a new implementation of Block LU-SGS cell-centered scheme on hybrid unstructured grid, which aims at hypersonic flow simulation. Several solutions to some hypersonic key issues (such as large CFL caused computation instability, over-expansion on leeside, etc.) are also presented in this paper, which are proved to be effective in hypersonic computations with some test case. To confirm the fast convergence of Block LU-SGS scheme versus original LU-SGS scheme, and to demonstrate the flexibility of the solver, numerical results are given for several hypersonic problems.

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In Categories: High-Speed Aerodynamics and Aerothermodynamics, HiSST 2018, Hypersonic Aerodynamics, Hypersonic Flight Dynamics, Materials and Structures, Turbulence Modeling and Simulation
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