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- W1987691017 abstract "In this paper, we discuss an upwinding methodology for the numerical simulation of general multi-phase flows inspired by the generalized Roe type solver. Yet, while the Roe solver makes use of the entire eigenstructure of a system of balance equations, we present here a less complex alternative algorithm, called Simplified Eigenstructure DEcomposition Solver (SEDES), that uses only a partial eigenstructure information, based on the observation of the specific eigenvalue structure of the multi-phase flow model: two fast eigenvalues, always real and well separated from all the other remaining eigenvalues. The outcome is an easy to implement and relatively low CPU cost algorithm, which is accurate enough to respect the fine degree of physical modeling and able to deal with a higher degree of complexity in term of system size and physical models. This methodology has already been applied to two-fluid models and a number of numerical and physical benchmarks presented here illustrate that its generalization to multifield models is quite successful. Some comparisons between SEDES and Roe computational results shed light upon the issues of accuracy and robustness." @default.
- W1987691017 created "2016-06-24" @default.
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- W1987691017 date "2013-08-01" @default.
- W1987691017 modified "2023-09-25" @default.
- W1987691017 title "Application of the simplified eigenstructure decomposition solver to the simulation of general multifield models" @default.
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- W1987691017 doi "https://doi.org/10.1016/j.nucengdes.2013.02.005" @default.
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