variation principle

基本解释

• [数] 变分原理（用任意波函数计算出的能量，不可能小于体系真实的基态能量）

英汉例句

双语例句

• For us getting a good understand of this method, the basic math method of finite element is introduced such as variation principle, Ritz method and weighted residual method.
  因此文章介绍了有限元数学基础即变分原理、里兹法和加权余量法，并结合本论文研究的重点液力变矩器介绍了有限元解题的步骤。
• Equilibrium differential equation and boundary condition were deduced first, adopting variation principle, and then the analytic generic solution of the deflection of dowel steel was obtained.
  采用能量变分原理推导了双参数地基梁平衡微分方程以及相应的边界条件，进而求得基于双参数地基梁理论的传力杆挠度解析通解。
• The differential equation for buckling of tubulars in horizontal holes under axial loads and the two end conditions that the equation should be satisfied are derived by energy variation principle.
  本文首先利用能量变分原理得到了受径向约束水平受压管柱的屈曲微分方程及其应满足的端部边界条件。

• variation principle更多例句

词组短语

短语

• variation n principle 变分法原理
• functional variation al principle 泛函变分法
• mechanical variation principle 力学的变分原理
• probabilistic variation principle 概率变分原理
• complementary energy variation principle 余能变分原理

• variation principle更多词组

专业释义

交通运输工程

• 变分原理

  A two-node spatial non-linear thin-walled box girder element isput forward, which is based on Hellinger-Reissner hybrid variation principle. The non-linear FEM (finite element method) equation, elastic rigidity matrix, geometry matrix and pre-stress load column matrix were formulated.
  2、提出了基于Hellinger-Reissner混合变分原理的两节点空间非线性薄壁箱梁单元，推导了增量形式的几何非线性有限元方程、弹性刚度矩阵、几何刚度矩阵、初应力荷载阵等的计算公式。

  土木建筑工程

• 变分原理
• 变分法原理

  Starting from the variation principle of elasticity theory, the finite element method (FEM) theory is introduced simply.
  从弹性力学的变分法原理出发，简单介绍了有限单元法。

  艺术学

• 变奏原则

数学

• 变分法原理