查询词典 variational method

We firstly establish the variational formulation, prove the well-posedness, and then use the infinite element method to solve the problem, we provide some numerical examples as well as the convergence.

我们先建立变分公式，证明其适定性，再用无限元方法求解该变分问题，我们证明了收敛性，并提供了数值例子。

The method uses expansion in terms of scaling functions to approximate the axial field component and transforms the field equation into a matrix equation by applying a variational formulation.

在该方法中，用尺度函数把场分量近似为级数，通过变分公式把波导问题化为矩阵方程。

The long-term seepage control effects of the surrounding rocks of the underground powerhouse are performed by a stationary seepage analysis method combining the variational inequality formulation of Signorini's type with an adaptive penalty Heaviside function to guarantee the numerical stability and convergence. Meanwhile, the difficulty in finite element mesh generation is reduced and the calculation time and modeling accuracy are balanced with a global model of equivalent modeling and a submodel of accurate modeling for drainage hole array.

为确保数值计算的稳定性和收敛性，采用Signorini型变分不等式和自适应罚函数相结合的稳定渗流分析方法，对厂房围岩的长期渗控效应进行计算分析；同时，采用基于等效模拟的整体模型分析和基于精细模拟的子模型分析相结合的方法，以减小有限元建模难度并协调计算量和计算精度之间的矛盾。

A kind of full-discrete nonconforming finite element method is proposed for the parabolic variational inequality.

讨论了抛物型变分不等式的一类全离散非协调有限元方法，得到了相应的最优误差估计，改进了以往文献的结果。

The equilibrium models of each level and the whole network are developed by variational inequality method, along with their equilibrium conditions and economic interpretations.

利用变分不等式的形式给出了供应链网络中各层以及整体的均衡条件和相应的经济解释。

An overview of the current works in the dynamic traffic assignment using variational inequality method is presented .

最后，分类综述了动态用户最优分配变分不等式模型及其代表性文献，讨论了当前存在的几个主要问题及进一步的发展展望。

In Chapter 3 the variational method and optimal algorithm for estimation of the surface flux are discussed.

第三章论述估算感热通量和潜热通量的变分技巧和最优算法。

Then we also introduce variational method we use mainly in this thesis.

然后又介绍了我们在这篇论文中主要用到的方法-----变分法。

In this paper,discusses the application of the complementary variational method for the calculation of the electromagnetic parameters.

本文就互补变分原理在计算电磁参数中的应用进行研究，提出了恒定场中基于互补变分原理分析与计算电参数的方法。

The vertical velocity is going to be estimated by using a variational analysis method.

在本文的结束部分提出了用变分法估算风场垂直分量，并给出了方法步骤。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。