文章给出了一种判断平面应力状态主应力方向的简便方法。
In the article, a simple method is discussed to confirm the principal stress direction un-den the plane stress condition.
并发现在平面应力状态下，梁的梯度效应略强于平面应变状态。
Results also show that the scale effect in plane stress state is slightly stronger than that in plane strain state.
本文提出关于平面应力状态单元体上两个主平面与两个主应力对应关系的直观判断方法。
This paper advances a direct observational method to determine two principal planes corresponding with two principal stresses Belng simple and obvious, this method ean be mastered easily.
本文根据平面应力状态的解析式，推导出了一种判别最大应力极值所在方向的简捷方法。
Based on the analytical formula of the plane stress state, a simple and direct distinguishing method is derived with regard to the direction in which the maximal extremes lie.
文章给出了正交异性材料线性无量纲屈服准则的一般形式和平面应力状态下的特殊形式。
The yield locus which liner dimensionless yield criterion can express the yield character of orthotropic materials better in the sense of physical.
平面应力状态下最大主应力方向的判定在工程及教学中具有重要意义，应用平面应力理论可以找到判定其方向的快捷方法，并引用实例得到印证。
It is of great significance in engineering and teaching to determine the direction of the largest main stress under the status of plane stress.
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.
土的平面应变是岩土工程中常见的状态，其中零应变方向的主应力是十分复杂的。
Plane strain state is familiar in geotechnical engineering, and estimating the principal stress in the plane strain state is very complicated.
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.
莫尔-库仑模式基于莫尔圆来判断最大和最小主应力平面上的破坏应力状态。
The Mohr-Coulomb model is based on plotting Mohr's circle for states of stress at failure in the plane of the maximum and minimum principal stresses.
该方法弥补了以往各向同性球壳模型的不足，可计算出任意深度的原岩应力状态：铅垂应力、平均水平应力、水平面内最大及最小正应力。
By this method, it is capable for calculating the initial rock stress, i. e., vertical stress, average horizontal stress, maximum and minimum horizontal stress, in any depth below surface.
目前在相似材料模拟试验中，常采用平面应力模型与平面应变模型两种受力状态。
At present, two stress states — the planar stress and the planar strain are usually adopted in the modeling experiment of the equivalent materials.
在平面应变压缩条件下，砂土在峰值应力状态附近出现应变局部化现象，在残余状态最终形成一条V型剪切带。
Under plane strain condition, the strain localization starts around the peak stress state; and a V-shaped shear band is formed at the residual stress state.
现有井壁围岩应力求解模型大都基于平面应变假设，相对岩石真实应力状态会有一定的误差。
Most of the existing models for borehole wall stress are based on plane strain hypothesis. So some errors may be generated as compared with the real stress state of rock.
现有井壁围岩应力求解模型大都基于平面应变假设，相对岩石真实应力状态会有一定的误差。
Most of the existing models for borehole wall stress are based on plane strain hypothesis. So some errors may be generated as compared with the real stress state of rock.
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