Computational evaluation of convection schemes in fluid dynamics problems
DOI:
https://doi.org/10.5433/1679-0375.2012v33n2p107Keywords:
High resolution schemes, Numerical simulation, Convection terms, Conservation laws, Flow with free surfacesAbstract
This article provides a computational evaluation of the popular high resolution upwind WACEB, CUBISTA and ADBQUICKEST schemes for solving non-linear fluid dynamics problems. By using the finite difference methodology, the schemes are analyzed and implemented in the context of normalized variables of Leonard. In order to access the performance of the schemes, Riemann problems for 1D Burgers, Euler and shallow water equations are considered. From the numerical results, the schemes are ranked according to their performance in solving these non-linear equations. The best scheme is then applied in the numerical simulation of tridimensional incompressible moving free surface flows.
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