

Author: Mazhorova O. Popov Yu. Shcheritsa O.
Publisher: MAIK Nauka/Interperiodica
ISSN: 0012-2661
Source: Differential Equations, Vol.49, Iss.7, 2013-07, pp. : 869-882
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Abstract
We suggest further development of the principle of conservation for problems with moving boundaries. Using the problem of phase transitions in binary compounds as an example, we demonstrate a technique for constructing divergence and nondivergence finite difference schemes guaranteeing that the energy and mass conservation laws hold in the discrete model. In a class of front tracking methods, we prove the equivalence of the approach based on the use of moving grids with that based on a dynamic change of variables which permits one to solve the problem on a fixed grid.
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