A large-time-stepping scheme for balance equations |
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Authors: | Kenneth Hvistendahl Karlsen Siddhartha Mishra Nils Henrik Risebro |
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Affiliation: | (1) Centre of Mathematics for Applications (CMA), University of Oslo, P.O. Box 1053, Blindern, Oslo, 0316, Norway |
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Abstract: | A well-balanced, large-time-stepping method for conservation laws with source terms is presented. The numerical method is
based on a local reformulation of the balance law as a conservation law with a discontinuous flux function, and the approximate
solution of this equation by a front tracking method. This yields an unconditionally stable method which is particularly well
suited to calculate stationary states. The viability of this approach is demonstrated by several numerical examples.
KHK has been supported in part by an Outstanding Young Investigators Award from the Research Council of Norway. |
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Keywords: | Conservation law Discontinuous solution Finite-volume scheme Front tracking Source term Well-balanced scheme |
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