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This article is cited in 23 scientific papers (total in 23 papers)
Qualitative difference between solutions for a model of the Boltzmann equation in the linear and nonlinear cases
A. Kh. Khachatryana, Kh. A. Khachatryanb a Armenian State Agrarian University, Yerevan, Armenia
b Institute of Mathematics, Armenian National Academy of
Sciences, Yerevan, Armenia
Abstract:
We consider the Boltzmann equation in the framework of a nonlinear model for problems of the gas flow in a half-space (the Kramers problem). We prove the existence of a positive bounded solution and find the limit of this solution at infinity. We show that taking the nonlinear dependence of the collision integral on the distribution function into account leads to an asymptotically new solution of the initial equation. To illustrate the result, we present examples of functions describing the nonlinearity of the collision integral.
Keywords:
Boltzmann equation, nonlinearity, mean mass velocity, bounded solution, monotonicity.
Received: 27.01.2012
Citation:
A. Kh. Khachatryan, Kh. A. Khachatryan, “Qualitative difference between solutions for a model of the Boltzmann equation in the linear and nonlinear cases”, TMF, 172:3 (2012), 497–504; Theoret. and Math. Phys., 172:3 (2012), 1315–1320
Linking options:
https://www.mathnet.ru/eng/tmf6965https://doi.org/10.4213/tmf6965 https://www.mathnet.ru/eng/tmf/v172/i3/p497
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Abstract page: | 944 | Full-text PDF : | 220 | References: | 73 | First page: | 38 |
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