The theory of virtual work principles of deformable bodies and the technique to derive their expressions are studied and applied to contact problems to build FEM formulas.
研究了变形体虚功原理的理论和建立方法，并将其用于建立接触问题有限元法计算公式。
Based on the virtual work principle and thin plate theory, the mechanical performance of the moving paper under gravity was analyzed by nonlinear FEM.
根据虚功原理和薄板度理论，对纸张在自重作用下的静动力学特性作了非线性有限单元法数值建模。
This paper puts forward the principle of complementary virtual work in the finite displacement theory of elasticity and provides a detailed proof thereof.
本文建立了有限变形弹性理论中的余虚功原理，包括此原理的提出与详细的证明。
Large deformation theory and virtual work principle were applied to analyses high - speed machining process, the finite element governing equation was approached based on Lagrangian description.
依据大变形理论和虚功原理对高速切削过程进行分析，建立了基于拉格朗日描述的有限元控制方程并采用二维有限元模型进行模拟。
Based on the third order zigzag displacement model, a bending theory for laminated composite plates in an initially stressed state is derived by use of the principle of virtual work.
基于三阶折线位移模型，利用虚功原理导出了含初始平面应力的层合复合材料板的弯曲理论。
The governing equations of the raft are obtained based on the thin plate theory and the virtual work principle.
筏板的控制方程由薄板理论和虚位移原理得到。
The significance of the research work, the state-of-the-art for the related theory and technology and the research scope about virtual manufacturing (VM) have been introduced in this paper firstly.
论述了有关虚拟制造的研究意义，介绍了相关的理论与技术的研究现状及虚拟制造的研究范畴。
The static wind stability factor of T-Frame Bridge with double slander piers is derived according to the Principle of Virtual Work in Finite Displacement Theory.
根据有限位移理论中的虚功原理，推导了双薄壁墩T构在横向风力作用下的静力稳定系数的表达式。
The static wind stability factor of T-Frame Bridge with double slander piers is derived according to the Principle of Virtual Work in Finite Displacement Theory.
根据有限位移理论中的虚功原理，推导了双薄壁墩T构在横向风力作用下的静力稳定系数的表达式。
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