Based on the boundary element method, an inverse method is developed to identify the material parameters of orthotropic plane problem.
以边界元计算为基础，提出正交各向异性平面问题材料参数识别的反分析方法。
The large displacement plane problem is discussed in detail. Entire nonlinear formulations of the finite elements and related numerical results are presented.
文章以大位移平面问题为例进行了详细讨论，给出了有限元非线性列式的全过程和数值结果。
Based on the basic equations of the elastic plane problem, displacement fields and singular stress fields near the interfacial edge of bonded materials are obtained.
基于弹性力学平面问题的基本方程，推导了结合材料界面端附近的位移场和奇异应力场。
In the method, the effect of temperature change is equivalent to that of initial stress. The formulas of equivalent initial stress and equivalent loading for plane problem are given.
该方法将温度变化对岩体的力学影响转化为等效初应力的作用来求解节理岩体热应力问题，给出了平面应力和平面应变问题中等效初应力和等效载荷矩阵的计算公式。
The fundamental equations in finite element method for unsteady temperature field elastic plane problem are derived on the bases of variational principle of coupled thermoelastic problems.
在耦合热弹性问题变分原理的基础上，导出非定常温度场热弹性平面问题的有限元法基本方程。
The selection of a suitable stress method to easily and quickly solve a plane problem in elasticity is expounded through comparing the stress function method with the stress component method.
通过对应力函数法与应力分量法的比较，论述了按应力求解弹性力学平面问题时，如何选择合适的解法，以取得难度小、求解快的效果； 并讨论了应力分量法的局限性。
Although traditional computation method can be simplified by converting spacial effect to plane problem, it is quite hard to reflect the whole and local effect by importing too much hypotheses.
传统的计算方法虽然能够将空间效应简便地转化为平面问题来处理，但是引入的过多假设很难反映结构的整体与局部效应。
All of the physical quantities and basic equations of plane problem are expressed in terms of complex variable form. From the equilibrium equations, the complex stress functions are introduced.
把平面问题的物理量和基本方程全部改写为复数形式，从平衡方程出发引入了复应力函数。
Based on the program of MARC, the paper USES the plane problem finite element to study the properties of composite ground under embankment load. The author analyses the settlement factor of influence.
运用MARC软件，将平面问题有限元运用于路堤荷载下复合地基性状的研究，分析了复合地基的沉降影响因素。
Based on the program of MARC, the paper USES the plane problem finite element to study the properties of composite ground under embankment load. The author analyses the settlement factor of influence.
运用MARC软件，将平面问题有限元运用于路堤荷载下复合地基性状的研究，分析了复合地基的沉降影响因素。
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