variation principle

基本解釋

• [數(shù)] 變分原理（用任意波函數(shù)計算出的能量，不可能小于體系真實的基態(tài)能量）

英漢例句

雙語例句

• 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.
  因此文章介紹了有限元數(shù)學基礎即變分原理、里茲法和加權余量法，并結合本論文研究的重點液力變矩器介紹了有限元解題的步驟。
• 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.
  采用能量變分原理推導了雙參數(shù)地基梁平衡微分方程以及相應的邊界條件，進而求得基于雙參數(shù)地基梁理論的傳力桿撓度解析通解。
• 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.
  本文首先利用能量變分原理得到了受徑向約束水平受壓管柱的屈曲微分方程及其應滿足的端部邊界條件。

• variation principle更多例句

詞組短語

短語

• variation n principle 變分法原理
• functional variation al principle 泛函變分法
• mechanical variation principle 力學的變分原理
• probabilistic variation principle 概率變分原理
• complementary energy variation principle 余能變分原理

• variation principle更多詞組

專業(yè)釋義

交通運輸工程

• 變分原理

  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混合變分原理的兩節(jié)點空間非線性薄壁箱梁單元，推導了增量形式的幾何非線性有限元方程、彈性剛度矩陣、幾何剛度矩陣、初應力荷載陣等的計算公式。

  土木建筑工程

• 變分原理
• 變分法原理

  Starting from the variation principle of elasticity theory, the finite element method (FEM) theory is introduced simply.
  從彈性力學的變分法原理出發(fā)，簡單介紹了有限單元法。

  藝術學

• 變奏原則

數(shù)學

• 變分法原理