Geodesic
The sharp-interface approach for fluids with phase change : Riemann problems and ghost fluid techniques
ESAIM: Mathematical Modelling and Numerical Analysis , Tome 41 (2007) no. 6, pp. 1089-1123

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Systems of mixed hyperbolic-elliptic conservation laws can serve as models for the evolution of a liquid-vapor fluid with possible sharp dynamical phase changes. We focus on the equations of ideal hydrodynamics in the isothermal case and introduce a thermodynamically consistent solution of the Riemann problem in one space dimension. This result is the basis for an algorithm of ghost fluid type to solve the sharp-interface model numerically. In particular the approach allows to resolve phase transitions sharply, i.e., without artificial smearing in the physically irrelevant elliptic region. Numerical experiments demonstrate the reliability of the method.

DOI : 10.1051/m2an:2007048
Classification : 35M10, 76T10
Keywords: dynamical phase transitions in compressible media, van-der-Waals pressure, kinetic relations, Riemann solver, ghost fluid approach 
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     author = {Merkle, Christian and Rohde, Christian},
     title = {The sharp-interface approach for fluids with phase change : {Riemann} problems and ghost fluid techniques},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {1089--1123},
     publisher = {EDP-Sciences},
     volume = {41},
     number = {6},
     year = {2007},
     doi = {10.1051/m2an:2007048},
     mrnumber = {2377108},
     zbl = {1134.35074},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/m2an:2007048/}
}
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Merkle, Christian; Rohde, Christian. The sharp-interface approach for fluids with phase change : Riemann problems and ghost fluid techniques. ESAIM: Mathematical Modelling and Numerical Analysis , Tome 41 (2007) no. 6, pp. 1089-1123. doi: 10.1051/m2an:2007048

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