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。
A simple example is given to demonstrate the application of these variational principles.
通过一个简例说明了所给原理的应用。
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。
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。
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。
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。
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。
Two kinds of variational principles for the two different problems, i. e. heat transfer and contact analysis, are respectively put forward for solving of the coupled problems.
另一类是热弹性接触分析的参数变分原理，可以方便地对接触问题进行求解。
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。
The paper describes systematically the principles of the electric network method for solving seepage problems based on the variational principle and its practical application.
本文较系统地研究了基于变分原理建立求解渗流场电网络法的基本原理及其具体应用。
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。
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。
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。
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。
Variable-domain variational principles can couple the variable domain into functional, which makes it possible to calculate the flow field with the variable-domain simultaneously.
变域变分原理，可以结合可变区为功能，这使得它可以同时计算流场的变量域。
Variable-domain variational principles can couple the variable domain into functional, which makes it possible to calculate the flow field with the variable-domain simultaneously.
变域变分原理，可以结合可变区为功能，这使得它可以同时计算流场的变量域。
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