Journal
INTERNATIONAL CONFERENCE ON NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2019
Volume 2293, Issue -, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0026547
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Funding
- LANA at the Universidade Federal de Santa Maria, Brazil
- Scientific Research Support Fund, Ministry of Higher Education & Scientific Research through the German Jordanian University [Bas/1/05/2016]
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In the current work a WENO multiresolution scheme is considered for solving a seven-equation model of two-dimensional two-phase flow problems. A third order interpolating wavelet transform associated to a threshold operator is the main tool for obtaining the sparse representation of the solution at each time step. The spatial operator is solved on the sparse grid by the Lax-Friedrich flux splitting scheme in which the flux derivatives are approximated by the standard WENO scheme. A parallel formulation of the code based on OpenMP allows long term simulations to be obtained with shorter computational times. This type of adaptive parallel scheme can accurately capture the formation of shocks and the evolution of rarefaction waves. As a consequence, more detailed structures of the solution are identified, enriching the understanding of the analyzed two-phase flow phenomena.
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