主应变的大小和方向可以表示为一个椭球体。
The magnitudes and directions of the main strain are expressed as an ellipsoid.
接着对缺陷区域进行主应变测量和安全成形裕度预测。
Then the principal strain measurement and forming safety margin prediction in defect regions are conducted.
本文介绍了一种确定平面应变中最大主应变方向的新方法。
This paper introduces a new way for defining the maximum principal strain direction in plane strain condition.
分析了内摩擦角、壁面摩擦角对最大主应变率方向的影响。
The influences of the Angle of internal friction, the Angle of wall friction to the direction of principal strain rate are analyzed.
本文提出了一种用于确定光弹贴片中主应变分离的新方法。
A new method for separating principal Strains of photoelastic coatings has been presented in this paper.
在光弹性贴片法中，通常利用剪应力差法和斜射法来分离主应变。
In the photoelastic coating methods, the shear stress difference and slant incident approaches are often used to divide the main strains.
利用并失分析法，对弹性体的应变、几何方程和主应变进行了全面研究。
The strain, geometric equation and principal strain of the elastic solid are all-sidedly studied by using the method of dyad analysis.
如果忽略初期的孔压增加，归一化的孔压与主应变表现了较好的直线关系。
If the increase of pore pressure at early stage is ignored, the lab tests show that the relationship between the normalized pore pressure and the principal strain is linear.
最大主应变具有明显的西高东低特征，西部构造活动强烈，而东部相对较弱。
The maximum principal strain shows the visible pattern of higher value in the west but lower in the east. The tectonic activities are much stronger in the west than in the east.
研究了用网格试验方法对冲压成形后覆盖件的塑性主应变分布进行测量的方法。
The grid experimental method to determine principal plastic strain distribution of auto-panel stamped parts is discussed.
为进一步研究大型覆盖件冲压成形质量分析的技术，采用混合网格法进行变形区域塑性主应变分布测量。
A hybrid grid method was used to determine the principal plastic strain distribution in a deformed area of a sheet metal piece.
对有限元的计算结果进行了分析，对运用最大剪应变等值线、大主应变等值线确定可能滑动面，运用应力水平分析单元的受力状态进行了研究。
The results of FEM are analyzed , and the action of the strain isoline , stress level isoline, energy isoline and safety factor isoline is applied.
在结构试验中采集得到的成百上千个任意角度应变花的读数，可用本文编写的计算机程序确定其主应变及主方向，从而替代了科研人员大量的手工计算。
A great quantity of any Angle strain rosette readings was gathered in structural test, the principal strain and the principal direction were calculated by computer program written in this paper.
只有小裂纹扩展到足够长并钝化到足够宽，才能够影响主裂纹的扩展及其前端应力、应变的分布。
Only if this short crack extends long enough and blunted wide enough, can it affect the principal crack extension and the distribution of stress and plastic strain.
从理论上说明塑性应变增量的方向不仅与应力的主方向有关，还与应力增量的方向有关。
The theoretical result shows that the direction of plastic strain increment is determined by the direction of principal stress and stress increment.
在应变软化材料的主裂缝尖端存在一断裂过渡区。
There is a fracture process zone near the crack tip for the tensile strain softening materials.
在恒载作用下，主缆的初始应变对桥面变形影响很大。
The results show that the main cable initial strain has great influence on the deformation of the bridge deck.
主破裂发生在应变及其梯度相对都较低的一个高应变梯度区。
Main fracture occurs in the high gradient area where the strain and gradient are relatively lower.
本文的实验发现，应变速率是影响粘滑复发间隔，应力降以及主破裂的几何分布，破裂面的粗糙程度的关键因素。
We can conclude that the strain rate produce a great impact on stress and recurrence intervals of stick slip events and roughness and patterns of rock samples.
据此，建立基于最大主剪应变的岩土材料延性剪切破坏应变准则；
The strain criterion for ductile shear failure based on the maximum principal shear strain is established.
面应变、主压应变、剪应变和趋势累积率同时较高的地区，强震危险性较大。
The area with the simultaneous higher surface strain, principal compressive strain, shear strain and tendency accumulation might be the place with higher risk of strong earthquakes.
该强度模型表明介质破坏是一个过程，反映了强度突变的应变率阈值效应与侧限压力下主破裂面上矿物颗粒团局部二次破坏的力学机制。
The model indicates that the failure of rock is a process in which there is a coupling between crack development and the slipping of cracked plane. The strain…
试验从滞回曲线、刚度退化、能量耗散、延性、主筋应变及节点核心区剪切变形等方面进行了研究。
The hysteresis loop, stiffness digration, energy dissipation, ductility, reinforcement strain and shearing deformation of core of beam-column joints are studied.
应力，应变和铣削温度分布表明，压力是定位在主剪切带，而最大应变和温度升高时沿的刀具芯片接口。
Distribution of stress, strain and milling temperature showed that stress is localized in the primary shear zone, while the maximum strain and temperature rise occurs along the tool-chip interface.
原信阳群龟山组就是沿主缝合带分布的前泥盆纪强应变构造地层体。
It is the Guishan Formation of! the former Xinyang Group that is the strongly deformed pre-Devonian tectono-stratigraphic unit distributed in the main suture zone.
原信阳群龟山组就是沿主缝合带分布的前泥盆纪强应变构造地层体。
It is the Guishan Formation of! the former Xinyang Group that is the strongly deformed pre-Devonian tectono-stratigraphic unit distributed in the main suture zone.
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