有限变形非对称弹性理论变分原理  

Variational Principles of Asymmetric Elasticity Theory of Finite Deformation

作　　者：宋彦琦[1] 陈至达[1] 

机构地区：[1]中国矿业大学力学系,北京100083

出　　处：《应用数学和力学》1999年第11期1115-1120,共6页Applied Mathematics and Mechanics

基　　金：国家自然科学基金

摘　　要：应用有限变形Ｓ＿Ｒ分解定理，将体力矩重新定义为内外两种体力矩之和，给出了相应的变形能增率表达式及其物理意义。In this paper, based on the finite deformation S_R decomposition theorem, the definition of the body moment is renewed as the sum of its internal and external. The expression of the increment rate of the deformation energy is derived and the physical meaning is clarified. The power variational principle and the complementary power variational principle for finite deformation mechanics are supplemented and perfected.

关 键 词：变形能 有限变形 变分原理 非对称弹性理论 

分 类 号：O33[理学—一般力学与力学基础] O344.3[理学—力学]