Hsueh Dah-wei. Generalized Variational Principles on Nonlinear Theory of Elasticity with Finite Displacements[J]. Applied Mathematics and Mechanics, 1991, 12(3): 209-218.
Citation: Hsueh Dah-wei. Generalized Variational Principles on Nonlinear Theory of Elasticity with Finite Displacements[J]. Applied Mathematics and Mechanics, 1991, 12(3): 209-218.

Generalized Variational Principles on Nonlinear Theory of Elasticity with Finite Displacements

  • Received Date: 1990-04-17
  • Publish Date: 1991-03-15
  • Two generalized variational principles on nonlinear theory of elasticity with finite displacements in which the σiji eij and ui are all three kinds of independent functions are suggested in this paper. It is provedthat these two generalized variational principles are equivalent to each other if the stress-strain relation is satisfied as constraint. Some special cases, i.e. generalized variational principles on nonlinear theory of elasticity with small deformation, on linear theory with finite deformation and on linear theory with small deformation together with the corresponding equivalent theorems are also obtained. All of them are related to the three kinds of independent variables.
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