A new mathematical model of heat conduction processes |
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Authors: | V. I. Fushchich A. S. Galitsyn A. S. Polubinskii |
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Affiliation: | (1) Mathematics Institute, Academy of Sciences of the Ukrainian SSR, Kiev |
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Abstract: | To describe heat conduction processes and diffusion, a new fourth-order partial differential equation Lu1L1u+2L2u=0, where L2=L1L1 and L1 is the classical heat conduction operator, which is invariant with respect to the Galielei group, is proposed. We also obtain an integral representation of the solution of the corresponding boundary problem and study solutions of the Cauchy problem of the traveling-wave type, as well as solutions with an exponential and peaking exponential boundary mode.Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 42, No. 2, pp. 237–245, February, 1990. |
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