This new principle unifies all the main existing variational principles in elasticity into one frame and brings to light a more profound relationship among them.
新原理将弹性理论中现有的各主要变分原理都统一在一个框架中，并揭示出它们之间更深一层的相互关系。
In chapter 3 partitioned variational principles of 3-dimensional theory of elasticity are researched.
第三章研究3维弹性理论分区变分原理。
The new variational principles can fully characterize the initial-boundary-value problem of this dynamics.
这种新的变分原理能反映动力学初值-边值问题的全部特征。
The derivation of generalized variational principles with preconditions by the use of the Lagrange multiplier method.
应用拉氏乘子法推导有先决条件的广义变分原理。
The parametric extremum variational principles are deduced for the plane and three dimensional elastic contact problems.
本文给出了平面与空间接触问题的带参变量的变分极值原理。
Then correspondently, we obtain the specific variational principles, bounded theorems, and boundary integral equations of the second stage problems.
再得到与之对应的各类变分原理，界限定理，第二阶段问题的边界积分方程。
A calculation method is proposed to determine the crack tip stress intensity factors for sections on the basis of zonal generalized variational principles.
本文应用分区广义变分原理，提出了求解含有裂纹的型材应力强度因子的计算方法。
In this paper, some general theorems and variational principles of the boundary value problem for two time instants in nonlinear elastodynamics are developed.
本文给出了非线性弹性动力学两时端边值问题的某些一般定理及变分原理。
Analogue to variational principles in solid mechanics, variational principles in heat conduction are developed by the method of weighted residuals in this paper.
采用力学中建立最小势能原理和最小余能原理的加权余量法，分别得到了热传导中势能型与余能型的变分原理。
On the basis of the governing differential equations by the variational principles, the finite beam element for analyzing the shear lag effect of box girders is proposed.
在变分法薄壁箱梁剪力滞基本微分方程的基础上，提出一个可考虑集中弯矩影响的分析箱梁剪力滞效应的有限梁单元。
This paper gives a summary of the new variational principles in both linear and nonlinear theories of elasticity and presents some discussion on their applications to FEM.
本文综述了线性及非线性弹性理论中的这种新型变分原理并就其在有限元中的应用作了讨论。
According to the stress and Galerkin's variational principles, the mixed variational equations for the laminated shell are presented, from which the state equation is obtained.
根据应力变分原理和伽辽金变分原理，导出叠层圆柱壳的混合变分方程，并将其转换成状态方程。
According to the stress and Galerkin's variational principles, the mixed variational equations for the laminated shell are presented, from which the state equation is obtained.
根据应力变分原理和伽辽金变分原理，导出叠层圆柱壳的混合变分方程，并将其转换成状态方程。
应用推荐