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Some of the previous theories in the electrostrictive and magnetostrictive materials and their differences are discussed in this paper.A variational principle in the general thermody- namic sense is given and the governing equations can be derived from this principle.Illustrational examples are given.
Some of the previous theories in the electrostrictive and magnetostrictive materials and their differences are discussed in this paper. A variational principle in the general thermody- namic sense is given and the governing equations can be derived from this principle. Illustrational examples are given.