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In this work, a new level-set-based approach is presented and applied to compressible, multiphase flows. Using a species-mass-conservation-based level-set transport equation, several advantages over signed-distance-function-based methods are demonstrated. Specific improvements include a ghost-fluid-free method for highly compressible problems, extensions to an arbitrary number of specie, and finite-rate...
Wind turbine airfoil is numerical simulated by using the governing equations of compressible fluids in this paper. The Reynolds averaged Navier-Stokes computations are combined with low Mach preconditioning and implicit matrix-free lower-upper symmetric Gauss-Seidel (LUSGS) iteration on unstructured meshes, and the results are improved at the very low velocity speeds which are representative of the...
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