期刊
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
卷 19, 期 2, 页码 364-370出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cnsns.2013.06.012
关键词
Nonlinear filtration; Perturbed equation; Nonlinear self-adjointness; Conservation laws
类别
资金
- Government of Russian Federation [11.G34.31.0042]
Group classification of the perturbed nonlinear filtration equation is performed assuming that the perturbation is an arbitrary function of the dependent variable. The nonlinear self-adjointness of the equation under consideration is investigated. Using these results, the approximate conservation laws are constructed. (c) 2013 Elsevier B.V. All rights reserved.
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