Exact self-similar solution of a certain equation of non-linear diffusion with dissipation |
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Institution: | Moscow, Russia;Tula, Russia;Zhukovskii, Russia;St Petersburg, Russia;Tbilisi, Georgia;St Petersburg, Russia;Lipetsk, Russia |
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Abstract: | Using the renormalization-group method, an exact solution of the equation of non-linear diffusion with dissipation of the Cahn–Hilliard type is obtained. When finding an admissible form of the self-similar solution, only dimensionality arguments and the property of renormalization invariance are used. The form of the initial and boundary conditions, consistent with the non-linear equation cannot be given in advance, but is found from the solution of the renormalization-group equations. |
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