本文提出了可压缩性材料平面应力问题的余弦屈服条件。
The schemes and the yielding conditions of steel reinforcement in PPC beams;
按平面应力问题，直接从压电物理方程出发，导出了压电梁的状态方程。
The state equation of Pieoelectric beam is deduced directly from a piezoelectric physical equation in terms of a plane stress problem.
本文的特征线方法为解决可压缩性材料平面应力问题提供了一条有效途径。
The characteristics method developed is an effective approach for compressible materials under plane stress.
以平面应力问题分析为例，进行了数值试验，给出了详细的计算步骤和结果。
As an instance, it was used to analysis a structure of plane stress problem. The detail computing steps and results were presented.
其次，编制了平面应力问题等效铰结平面桁架单元有限元法分析计算机程序。
Secondly, the equivalent plane truss element analysis program of plane stress problem is worked out, by which cantilever beam, simple beam and perforated wall are analyzed.
我国及邻区的现代构造应力场作为一平面应力问题用有限单元法进行了计算。
A calculation of present. Tectonic stress field of China and its vicinity as a plane stress problem has been made by means of the finite element method.
根据各向异性矩形板平面应力问题的基本方程精确地求得了位移函数的一般解。
Based on the fundamental equation of an anisotropic rectangular plate in plane stress problem, an accurate general displacement solution is obtained.
本文对钢筋混凝土构件中的平面应力问题，运用有限单元法进行非线性应力分析。
In this paper non-linear analysis with finite element method is used in the study of the plane stress Problems of reinforced concrete members.
针对平面应力问题，提出了利用状态空间法和微分积分法的混合解法（SSDQM）。
The state space method coupled with the technique of differential quadrature (SSDQM) was presented for plane stress problems.
针对均布载荷作用下正交各向异性梁在两端固支条件下的平面应力问题，求解了应力和位移的解析解。
For the plane stress problem of fixed end orthotropic beams subjected to uniform load, the analytical solutions of stress and displacement were resolved.
介绍了位移基有限元方法 ，并在位移基有限元中嵌入了无屈服面内时本构理论 ，并提出了相应于平面应力问题的直接代入法。
Endochronic plasticity based on non-yield surface is deduced into the displacement-based finite element method and the plastic strain direct method is proposed for the plane stress problem.
采用复变函数解法，研究地面荷载作用下浅埋圆形隧道围岩的平面弹性应力问题。
The complex variable method analytic solution of stress is given for the plane elastic stress problem of surrounding rock of shallow circular tunnel under ground load.
本文提出了求解平面弹性问题的应力边界元法。
In this paper the boundary element method based on stress for solving the elastic problems of the plane is proposed.
文中分析了开挖问题采用平面模型计算时，应对开挖初应力进行修正，并给出了算法。
In the paper it points out that when the plane model is used to compute the excavation problem, the initial stress of excavation must be modified, and the algorithmic model is shown in the paper.
用此方法对梯形齿同步带一个齿上的平面问题的应力分布进行了有限元分析研究。
By this method, it researches the stress distribution of plane problem for a tooth on synchronous belt.
将该解析元与有限元相结合，构成半解析的有限元法，可求解任意几何形状和载荷的平面裂纹应力强度因子及扩展问题。
The new analytical element can be implemented into FEM program systems to solve for stress intensity factor and deal with crack propagation problems for plane cracks with arbitrary shapes and loads.
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。
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.
介绍了弹性力学平面问题中斜截面上应力的正负规定的重要性及其对该规定的论证；
In this paper the importance of stress positive-negative regularity on tilt section in plane problem of mechanics of elasticity is introduced and the regularity is proved.
通过计算平面应力和平面应变问题的极限荷载因子和相应的坍塌机构，验证了算法的有效性。
Its efficiency was demonstrated by computing the limit load factor and the collapse state for some plane stress and plain strain problems.
本文讨论一充气的薄膜圆球在两平行平面间接触加载时的变形与应力问题。
In this paper the deformation and stress of a pneumatic membrane sphere under contact loading between two parallel planes are discussed.
采用波函数展开法给出了半空间中衬砌洞室群在平面SV波入射下动应力集中问题的一个级数解析解。
An analytical series solution for dynamic stress concentration of lined cavities in a half space under incident plane SV waves was given by using wave function expansion method.
最后，通过一个具体算例求出梯形齿同步带一个齿上的最大应力点及应力分布规律并与弹性平面问题的解进行了比较。
Finally, for an example, a maximum stress point and stress distributions of a synchronous belt tooth have been found out and compared with its elastic linear solution.
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。
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.
首先，对反射裂缝尖端应力场的奇异性进行了描述，建立了平面断裂问题应力强度因子的有限单元解。
Firstly, after depicting the singularity of stress field at the top of crack, the finite element method to calculate stress intensity factor of plain fracture problems is founded.
该方法按平面应变问题求解横向温度应力，在此基础上用解析公式计算纵向温度应力。
With this method, the transversal stresses are solved as a plane strain problem, and consequently the longitudinal stresses are calculated with an analytic formula.
新的结果还解释了平面应力和平面应变问题的区别。
The new result here explains the difference between the cases of plane strain and plane stress.
隧道支护结构应力分析习惯于采用平面应变问题来处理。
In the tunnel support construction stress analysis, it is conventional to use two dimensional strain principle.
研究了具有应力和厚度约束的弹性平面体结构拓扑优化问题。
This paper studied the topology optimization design problem of the plain elastic continuum with stress and thickness constraints.
在平面温度应力问题和热屈曲问题的计算中，采用了精度更高的五节点差分法来进行计算。
We adopt five nodes difference method to solve thermal stress problem and thermal buckling problem, because this method is more precise.
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。
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.
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