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su xing da bian xing wen ti de wei yi xing wen ding xing he ji zhi yuan li
Author(s): Wang Tzu-chiang
Pages: 226-
235
Year: 1981
Issue:
3
Journal: Chinese Journal of Theoretical and Applied Mechanics
Keyword: 塑性大变形; 速度场; 唯一性; 极值原理; 边值问题的解; 稳定性; 本构方程; 充分条件; 应力率; 恒等于零;
Abstract: This paper deals with uniqueness, stability and variational principle of boundary value problem, based on the fundamental equations of large plastic deformation theory which talees into consideration the effects of geometrical nonlinearity. Criterion for uniqueness of the solution of the boundary value problem is proposed. Sufficiant condition for stability of equilibrium states is introduced.Sufficiant condition for the identity between variational problem and boundary problem is proposed.
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