应用拉氏乘子法推导有先决条件的广义变分原理。
The derivation of generalized variational principles with preconditions by the use of the Lagrange multiplier method.
根据分区广义变分原理，直接导出问题的求解方程式。
Based on the sub-region generalized variational principle, the solving equations of the problem are derived directly.
然后利用拉格朗日乘子法，吸收第一类边界条件，从而得出其广义变分原理；
Then its generalized variational principle is established on the basis of Lagrange multiplier method by absorbing the first kind of boundary condition.
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。
A calculation method is proposed to determine the crack tip stress intensity factors for sections on the basis of zonal generalized variational principles.
探讨了拟协调模式大变形板壳有限元的变分基础，提出了其相应的大变形板壳广义变分原理。
The variational bases for large deformed finite elements of plate and sh- ell by quasi-conforming model are studied.
提出了以卷积形式表示的梁-柱弯曲问题的泛函，并给出了损伤粘弹性梁-柱的广义变分原理。
The convolution type functional was offered for the bending of viscoelastic beam column with damage and the generalized variational principle of viscoelastic beam column with damage was presented.
本文对服从非关联流动法则下的刚塑性极限分析问题，提出了参数势能变分原理和参数广义变分原理。
The parametric potential energy principle and the generalized parametric variational principle are developed in the limit analysis of the non-associated flow rule materials.
利用弹性薄板的广义变分原理和双调和方程的特解序列，提出了一种求解圆板混合边值问题的数值方法。
The existence and the life span of solutions to some mixed initial-boundary value problems are also investigated.
提出了一个包括界面条件及间断面条件在内的混合边值问题的广义变分原理，建立了极限载荷乘子的变分解析公式。
A generalized variational principle involving conditions of the rigid-plastic interface and the discontinuous surface of a velocity field has been put forward for the mixed-boundary value problem.
在一般双共轭梯度法的基础上，本文利用广义变分原理对内积进行了重新定义，使双共轭梯度法求解复线性方程组更为有效。
Based on biconjugate gradient method, we redefine inner products using general variation principle, which can make complex linear equations solving have high-performance.
然后应用拉氏乘子法于有限变形回弹变分原理建立有限变形广义回弹变分原理。
Then, Lagrange arithmetic operator is applied in variation principle of finite deformation resilience to establish a generalized variation principle of springback.
然后应用拉氏乘子法于有限变形回弹变分原理建立有限变形广义回弹变分原理。
Then, Lagrange arithmetic operator is applied in variation principle of finite deformation resilience to establish a generalized variation principle of springback.
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