查询词典 variational method

Existence and uniqueness of the variational solution are established.

详细分析了半离散化格式的稳定性，给出了格式的稳定性条件。

We need obey a new policy that must consider the variational market environment.

我们需要制定一个新政策，该政策必须考虑到变化着的市场环境。

In this paper, the variational data assimilation of two kinds of physical model including"on-off"...

本文研究了两类含有"开关"的物理过程的变分资料同化问题。

In the third chapter, the concepts of loop circuit and variational geometric constraints network are firstly presented.

本章为下一章的变动几何约束网络理论的建立奠定了坚实的数学基础。

Real estate exploitation is a dynamic process of investment, management and withdrawal, which is executed in a variational market environment.

房地产的开发是一个在不断变换的市场环境下进行投资、开发经营和回收的动态过程。

The relative variational rate of the volume and shape of particles is 8.4% and 12.5%, and the contribution to integral volume is 1.68% under the general condition.

一般情况下，颗粒的体积和形状的相对变化率分别为8.4%和12.5%，对总体积变化率的贡献为1.68%。

In the multi-purpose environment simulation system, cement mortars that had dipped in Na2SO4 solution of different concentration carry on mass losing, volumetric deformation tests and SEM analysis under invariable temperature and variational humidity.

在多功能环境模拟系统中，对经不同浓度Na2SO4以玉溶液浸泡后的砂浆试件进行了恒温变湿条件下的质量损失、线性收缩测试及SEM分析。

Weak formulation of mixed state equations including boundary conditions are presented in a cylindrical coordinate system by introducing Hellinger_Reissner variational principle.

从Hellinger_Reissner变分原理出发，在柱坐标系中，导出圆柱壳的弱形式混合状态方程和边界条件，联用状态空间法给出叠层柱壳的解析解，此法使得求解该类问题的形式得以扩大和统一。

With the improvement of the structural complication and strength index of the engine structure, during the work process, the bending-shaft produce bent and torsion because of the action of periodicity variational air pressure, inertia pressure evocabled by the to-and-fro and whirligig motion and torque, therefore, engine bending-shaft must be provided with the preferable fatigue intensity and the structure rigidity through making use of the material of high intensity and the reasonable forging technique.

随着发动机结构的复杂化和强化指标的不断提高，曲轴在工作过程中，由于受到周期性变化的气压力、往复和旋转运动引起的惯性力以及弯矩、扭矩的共同作用，既产生弯曲又出现扭转，这就要求发动机曲轴具有高的疲劳强度和结构刚度。

In spite of the very close affinity between the variational theorems and the principle of virtual work, the study of the former is worth-while

尽管变分定理与虚功原理之间有很紧密的相似关系，然而对前者的研究仍然是有价值的。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。