Two compressible immiscible fluids in 1D and in the isentropic approximation are considered. The first fluid is surrounded and in contact with the second one. As the Mach number of the first fluid vanishes, we prove the rigorous convergence for the fully nonlinear compressible to incompressible limit of the coupled dynamics of the two fluids. A key role is played by a suitably refined wave front tracking algorithm, which yields precise BV, L1 and weak∗convergence estimates, either uniform or explicitly dependent on the Mach number.
Colombo, R., Guerra, G. (2016). BV Solutions to 1D isentropic Euler equations in the zero Mach number limit. JOURNAL OF HYPERBOLIC DIFFERENTIAL EQUATIONS, 13(4), 685-718 [10.1142/S0219891616500181].
BV Solutions to 1D isentropic Euler equations in the zero Mach number limit
GUERRA, GRAZIANOUltimo
2016
Abstract
Two compressible immiscible fluids in 1D and in the isentropic approximation are considered. The first fluid is surrounded and in contact with the second one. As the Mach number of the first fluid vanishes, we prove the rigorous convergence for the fully nonlinear compressible to incompressible limit of the coupled dynamics of the two fluids. A key role is played by a suitably refined wave front tracking algorithm, which yields precise BV, L1 and weak∗convergence estimates, either uniform or explicitly dependent on the Mach number.File | Dimensione | Formato | |
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