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Communication Dans Un Congrès Année : 2021

Bubble expansion computations at low-Mach number regime

Résumé

A 1D bubble expansion problem is solved using standard compressible methods whose numerical solutions are compared with the exact low-Mach solution of the problem. The low Mach solution is proved to provide a very good approximation of the grid-converged compressible solution for a weak expansion and an envelope solution for the strong expansion. This motivates the design of a newly proposed Artificial Compressibility solver which will speed up low-Mach simulations of interest for nuclear safety with respect to standard compressible solvers.
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Dates et versions

hal-03775173 , version 1 (12-09-2022)

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Paternité - Pas d'utilisation commerciale - Partage selon les Conditions Initiales

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A. Beccantini, C.- H. Phan, Christophe Eric Corre. Bubble expansion computations at low-Mach number regime. 14th WCCM-ECCOMAS Congress, Jan 2021, Virtual event, France. ⟨10.23967/wccm-eccomas.2020.078⟩. ⟨hal-03775173⟩
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