| 1. | We must seek two main approximation methods of solution, the variation method and perturbation theory . 我们必须寻求两个主要的近似解法、变分法和微扰法。 |
| 2. | Successful use of the variation method depends on our ability to make shrewd choice of the trial function . 成功地应用变分法取决于对尝试函数作精明选择的能力。 |
| 3. | The results are obtained via variation methods and set connection skill 所使用的方法是变分方法和集连通技巧。 |
| 4. | Generalized variation methods for analysis of railway welded turnout structures 高速铁路无缝道岔结构体系分析广义变分原理 |
| 5. | The application of stiffness increment variation method in numerical simulation of castings during solidification process 连续铸造凝固过程数值模拟的研究进展 |
| 6. | Because the result obtained from the variation method depends delicately on the form of the trial wave function , we wo n ' t use this method in our calculation 因为用变分法得到的计算结果的好坏密切依赖于变分波函数的选取,我们将不采用变分法进行计算。 |
| 7. | Abstract : an improved inverse power method for calculating the eigenpair of a structure is presented based on the combination of the inverse power method and topological variation method of structures 文摘:将矢量逆迭代法与结构拓扑变化法结合起来,给出了一个用于求解结构特征值及特征矢量的改进的矢量逆迭代法。 |
| 8. | The binding energies and the ground state energies of hydrogen impurity in a lens - shaped quantum dot ( gaas / inl - xgaxas ) under vertical magnetic field using effective mass approximation and variation method have been discussed 利用有效质量近似、变分法,研究了垂直磁场下透镜型量子点( gaas / in1 - xgaxas )掺入类氢杂质后基态能和结合能。 |
| 9. | The electromagnetic field theory and the variation method is applied to found the 2d mathematics model during the process of starting of the induction machine with compound cage rotor . the dispersion , element analyse and collectivity composing of time - variation field are given 利用电磁场理论和变分法建立了复合笼条转子感应电动机起动时二维电磁场的数学模型,给出了正弦时变场单元分析过程和离散格式以及最终的总体合成方程。 |
| 10. | In chapter two , the liner theory of elasticity solid ' s addiontional on initial - stress configuration is narrated , the initial stress is adopted as parameter described currently configuration , corresponding virtual principal and variation method are given , and the energy theory of balanceable stable critical condition is put forward according to the ideology of addiontional deformation on initial stress configuration 第二章从初应力位形上弹性固体附加变形的二次理论入手,引出了初应力位形上附加小变形的场论;采用初应力作为描写当前位形的参数,提出相应的虚功方程和位移变分原理;从初应力位形上附加变形的思想,提出平衡稳定临界条件的能量原理。 |