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Article Dans Une Revue Modern Physics Letters A Année : 2017

General and exact pressure evolution equation

Adrien Toutant

Résumé

A crucial issue in fluid dynamics is related to the knowledge of the fluid pressure. A new general pressure equation is derived from compressible Navier-Stokes equation. It is argued that this new pressure equation allows unifying compressible, low-Mach and incompressible approaches. Moreover, this equation should be able to replace the Poisson equation in isothermal incompressible fluids. For computational fluid dynamics, it can be seen as an alternative to Lattice Boltzmann methods and as the physical justification of artificial com-pressibility.
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hal-02567004 , version 1 (07-05-2020)

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Adrien Toutant. General and exact pressure evolution equation. Modern Physics Letters A, 2017, 381 (44), pp.3739-3742. ⟨10.1016/j.physleta.2017.10.008⟩. ⟨hal-02567004⟩
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