variational principles中文是什么意思

• 变分原理

• principle    n. 1.原理，原则。 2.主义；政策；〔常 pl.〕道 ...
• complementary variational principles    余变分原理
• variational principles inelasticity    弹性力学变分原理
• variational    变化的; 变化性的; 变量的; 变异的; 起自变动的
• in principles    基本上, 原则上
• principles    法则; 会计原则变动累积影响数; 原则, 原理, 道义, 节操
• variational calculus    变分学
• variational completeness    变分完备性
• variational curve    变分曲线
• variational derivative    变分导数; 变分微商
• variational equation    变分方程
• variational formula    变分公式
• variational formulation    变分公式化
• variational inequality    变分不等式
• variational initialization    变分初始化
• variational integral    变分积分
• variational method    变分法
• variational monitor    变分监控器
• variational notation    变分记号
• variational orbit    变分轨道
• variational parameter    变分参数
• variational principle    变分原理; 分原理
• variational problem    变分问题
• variational psychology    变式心理学; 差别心理学
• variational sensitivity    变分灵敏度

• Finally , the variational principles are applied in fdtd dipole antenna input impedance simulations . the input impedance computed with this method is compared with that computed with the traditional fdtd method
  本文还将变分原理与时域有限差分法相结合，计算了对称阵子的阻抗，给出了对称阵子的阻抗随阵子归一化长度变化的曲线。
• Based on the " size " of the set of perturbed minimal points in the variational principle , the differentiability of lower semicontinuous functions is examined by means of approximation of the infconvolution sequence
  摘要通过函数的下卷积函数列的逼近方法，在变分原理中从扰动最小值点集的“大小”入手，研究了下半连续函数的可微性。
• The governing equation of pim is obtained on the basis of variational principle . numerical examples show that the method is applicable widely , considerably precious , and can be used for the calculation of both thin an thick plate
  根据变分原理得到了平板弯曲的无网格控制方程，算例表明该方法实用性强、精度高，可以同时应用于薄板和厚板的计算。
• By using the variational principle to determine the energy expectation value of the relativistic dirac - coulomb hamiltonian , all of the radial functions , configuration mixing coefficients , and the total binding energies can be determined automatically
  通过对相对论dirac - fockhamilton量的期望值变分，可以自动的得到所有的径向波函数、组态混合系数以及总束缚能。
• Combined hybrid functional is a special saddle point variational principle , which is based on a weighed average of two systems of saddle point conditions corresponding to domain - decomposed hellinger - reissner variational principle and its dual
  组合杂交变分原理是一种特殊的鞍点型变分原理，它由基于区域分解的hellinger - reissner变分原理及其对偶变分原理的优化条件加权组合得到。
• The contact problem fem formulae in this paper are constructed by means of principle of virtual work instead of variational principle which has been wildly used for classical problems , for it is difficult to found the corresponding function expression for contact problems
  由于接触问题属固体力学非经典问题，故很难采用对能量泛函变分的方法，本论文通过虚功原理建立其计算公式。
• Firstly , under the condition of constant viscous dissipation , the field coordination equation was induced for steady laminar convective heat transfer by the conditional variational principle based on the extremum principle of heat transport potential capacity dissipation
  首先在粘性耗散一定的条件下以热量传递势容耗散取得极值为优化目标，运用变分方法导出了层流对流换热场协同方程。
• The variational theory in electromagnetics and its application in computing the characteristic impedance of conformal coaxial transmission lines are presented in this thesis . input impedance of wire antennas is also computed with a hybrid method of variational principles and the finite - difference time - domain method
  本文主要研究了电磁变分理论及其在共形同轴传输线特性阻抗的求解和与时域有限差分法相结合求线天线输入阻抗等方面的应用。
• In the two - substance attenuate consistency problem , by means of constituting the compulsive convection function of diffusion process , as well as integrating adjoint function , the adjoint variational principle and its finite element method of two - substance attenuate consistency are deduced , and all kinds of dynamic conditions and their variational expressions are discussed
  在二组元稀薄浓度问题中，通过构造扩散过程的强制对流项并结合伴随算子的有关理论推导了二组元稀薄浓度问题的伴随变分原理及其有限元方法，同时讨论了扩散问题的各类动力条件及其变分表达式。