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International Journal of Energetic Materials and Chemical Propulsion

Publicou 6 edições por ano

ISSN Imprimir: 2150-766X

ISSN On-line: 2150-7678

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.7 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 0.7 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00016 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.18 SJR: 0.313 SNIP: 0.6 CiteScore™:: 1.6 H-Index: 16

Indexed in

NEW NUMERICAL APPROACHES TO MULTIPHASE FLOWS MODELING

Volume 6, Edição 5, 2007, pp. 609-627
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v6.i5.50
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RESUMO

We present new numerical approaches for solving systems of partial differential equations associated with mathematical models for multiphase flows. We are concerned with the construction of modern numerical methods for solving the equations for hyperbolic models in conservative or non-conservative form. Here, we apply new approximate Riemann solvers for two-phase flow, whereby, a closed-form non-iterative solution can be obtained,1 and a new approach for general hyperbolic systems called EVILIN.2 In order to produce upwind numerical methods, the local approximate Riemann solution provides the necessary information to compute numerical fluxes that can be used in the finite volume approach or the Discontinuous Galerkin approach.
We utilize these approximate Riemann solvers locally to produce upwind numerical methods in the finite volume framework suitably modified to deal with systems in non-conservative form. Non-oscillatory schemes of second-order accuracy are then designed following the TVD approach. In addition, we construct second-order numerical schemes for multiphase flows following the recently proposed ADER3 approach, which also permits the handling of source terms to a high order of accuracy.
We perform a comprehensive and systematic assessment of the numerical methods constructed using reference numerical solutions and exact solutions that we have obtained for special cases.

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