| 1. | The virtual work principle under the system of non - inertia
非惯性系下的虚功原理 |
| 2. | Virtual work principle is an impotant principle in analytic mechanics
摘要虚功原理是分析力学中一个重要的原理。 |
| 3. | The dialectical relationship between dynamic on virtual work principle and statically balance of mechanic group
虚功原理的动力学理论与力学组的静力学平衡 |
| 4. | Space stiffness matrix of t - shape , l - shape and - shape short - leg shear wall is derived by virtual work principle and variational principle
利用虚功原理和变分原理分别推导了t形、 l形和一字形截面的短肢剪力墙空间单元刚度矩阵。 |
| 5. | The slope stability analysis model is developed on the basis of the virtual work principle , where the rock stratification planes and the adverse discontinuities are incorporated
功能平衡方程中仅有安全系数一个未知数，条块底部和界面上的法向压力和切向摩擦力并不出现，求解大为简化。 |
| 6. | Talk about how to use the virtual work principle to solve the relative problems of electrostatics , show it ' s simple , direct and convenient to use virtual work principle in working out electric field intensity , electric field force , moment of force
举例讨论了应用虚功原理求解静电学有关问题的具体做法，说明在求解电场强度、电场力、力矩等矢量时，应用该原理确实简捷、方便。 |
| 7. | First of all , the nonlinear equation of structure is presented in this paper based on virtual work principle . it is thought that the updated lagrangian formulation ( u . l . formulation ) is more adapt for nonlinear analysis computer program for arch bridge
首先，本文基于虚功原理，推导了结构几何非线性方程，指出更新的拉格朗日列士法( u . l列士)更适用于桥梁结构非线性分析程序的编制。 |
| 8. | On the basis of the virtual work principles and nonlinear finite element theory , the author introduces a plausible method which analyzes the double nonlinear problem of structure by importing the elastic - plastic constitutive relationship matrix into geometric nonlinear fea equation
摘要从非线性有限元理论出发，基于虚功原理，阐述在几何非线性刚度方程有限元列式中引入非线性本构关系矩阵、合理考虑结构双重非线性问题的理论方法。 |
| 9. | To achieve the object , firstly , the theory of virtual work principles for deformable body is established . then , by means of the principle , the expressions for classical problems and contact problems are constructed , which are the basis of the following fem . sequentially , the fem formulae for contact problem can be obtained with no difficulty
论文中，作者首先对变形体虚功原理作了理论分析和研究，确定了建立变形体虚功原理的基本原则和方法，据此建立了固体力学经典问题的虚功原理，进而用于接触问题，建立其相应的计算公式，为下面的有限元计算奠定了基础。 |
| 10. | Starting from virtual work principle , with the combination of fem , the author led into elastic stiffness practical formulation of bi - direction cellular slab . after comparing the bi - direction elastic stiffness formulation with the approximately stiffness formulation , the author drew such a conclusion that if the hole - rib is comparatively big , the elastic stiffness of bi - direction cellular slab calculated by approximately formulation would be comparatively small , and therefore the elastic stiffness could calculated by the formulation illustrated in this paper
本文从虚功原理出发，结合有限元方法，给出了双向空腹板的弹性刚度实用计算公式，并与近似刚度公式进行对比分析，并得出结论：在双向空腹板孔间肋较大情况下，利用近似公式计算双向空腹板的弹性刚度偏小，可按本文提出的弹性刚度公式进行计算。 |
