On the solvability of a variational problem about phase transitions in continuum mechanics |
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Authors: | V G Osmolovskii |
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Institution: | (1) St. Petersburg State University, 28, Universitetskii pr., Petrodvorets, St. Petersburg, 198504, Russia |
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Abstract: | We study a variational problem about phase transitions in continuum mechanics under the condition that the surface tension
coefficient vanishes. A homogeneous isotropic two-phase elastic medium occupies a ball-shaped domain, the zero displacement
field is fixed on the boundary of this domain, and a spherically symmetric force field acts on the medium. The solvability
of this problem is established. As is shown, if a force field is nonzero almost everywhere, then the problem has only spherically
symmetric solutions. Bibliography: 9 titles.
Translated from Problemy Matematicheskogo Analiza, No. 38, December 2008, pp. 61–71. |
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Keywords: | |
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