It is shown that the change of loading strain path will affect the forming limit curve.
试验结果表明：加载应变路径的变化会影响成形极限曲线的高低。
While FLSD, which is stress-based and independent of strain path, has become the hotspot in this field.
而以极限应力构成的成形极限应力图FLSD由于不依赖加载应变路径，已成为目前研究的热点。
The relationship between principal stresses in the plane strain state is the stress-strain relationship of soil with a certain strain path.
平面应变条件下土体中主应力之间的关系，其实质是特定应变路径条件下土的应力–应变关系，为土的一个重要力学特性。
Strain-based FLD is strongly affected by the strain path and has brought much inconvenience to the study of forming limit under complex strain paths.
因极限应变构成的FLD受应变路径的影响很大，在研究复杂应变路径的成形极限问题时带来极大不便。
Some foreign scholars developed the concept of Forming Limit Stress Diagram (FLSD) on the basis of FLD. FLSD is considered as strain path independent.
一些国外学者在板料成形极限图的基础上提出了板料应力成形极限图(FLSD)的概念，并认为板料应力成形极限图具有与路径无关的特点。
The strain path theory is different from the plastic flow theory since it gives a nonlinear relation between stress deviation increment and strain deviation increment.
应变路径理论与传统的增量理论不同之处在于其偏应力增量和偏应变增量之间为一非线性关系。
The result shows that FLSD is independent of strain path, and that the FLSD under different strain paths are almost the same curve according to the same instability theory.
结果表明，成形极限应力图不受应变路径影响，对于同一失稳准则，在不同加载应变路径下几乎为同一条曲线。
The nosecone carried a video camera and avionics to record the rocket’s flight path and other information; the aft end, temperature and strain sensors.
头部载有记录火箭飞行路径和其他资料的摄录机和电子设备；尾部有温度和应变传感器。
A path independent of the J-integral and the stress, strain on the crack tip are discussed.
讨论了J积分的路径无关性和裂尖应力，应变奇异性。
According to the realistic stress path of deep excavation, normal triaxial apparatus of strain control was transformed and triaxial test conforming to deep excavation characteristic was designed.
针对深基坑开挖卸荷的实际应力状态，通过对常规应变控制式三轴仪的改造，设计了符合基坑开挖特点的三轴试验方法。
At the same time, the effect of stress path circumgyration on shear modulus decreases gradually along with the increase of shear strain.
同时由应力路径旋转对模量的影响也随着剪切应变的增加而逐渐衰减。
Suggest the nonlinear elastic Constilutive model taking into the account of strain-softening, shear dilatancy(shrinkage)properties and stress path.
提出考虑土的应变软化、剪胀（剪缩）性和应力路径影响的非线性弹性模型。
The method to ascertain the damage point of process harden type stress-strain curve was shown, and the calculate expression of shear strength used by stress path under random consolidation degree.
并且给出用与切线模量相关的标准确定加工硬化型应力——应变关系曲线的破坏点的方法，提供了利用任意固结度下的应力路径求解不排水抗剪强度的计算式。
Analyzing the test results, the Duncan-Chang model can basically reflect the coarse grained soil's stress-strain relationship under the stress path of dam.
对非饱和砾质土心墙料做一组等应力比和等应力增量比为常数的试验，发现邓肯-张模型基本能反映该应力路径下的应力应变关系。
According to the dynamic triaxial test of sand, there is a steady state at the last phase of the development of strain and stress path.
根据动三轴实验数据，砂土的应力路径最终达到一个稳定的阶段。
The constitutive model is developed to have a stress path-independent work-hardening parameter based on the modified plastic strain energy concept.
有限元解析中所采用的砂土本构模型以修正塑性应变能量为硬软化基本参量，它可以较为精确地模拟砂土的应力路径效果。
It is of vital importance to study the mechanical response of sand in strain-path controlled tests during which the ratio of lateral to axial strain increments is kept constant.
研究砂土在沿着应变增量比(侧向应变增量与轴向应变增量的比值)为常数的路径加载时的力学响应具有十分重要的意义。
The direction of plastic strain increment is nearly independent of the stress path. The shape of yield sur- face on hardening e…
塑性应变增量方向与应力路径没有很大关系，以等塑性体应变为硬化参数的屈服面形状也是椭园。
The direction of plastic strain increment is nearly independent of the stress path. The shape of yield sur - face on...
塑性应变增量方向与应力路径没有很大关系，以等塑性体应变为硬化参数的屈服面形状也是椭园。
The direction of plastic strain increment is nearly independent of the stress path. The shape of yield sur - face on...
塑性应变增量方向与应力路径没有很大关系，以等塑性体应变为硬化参数的屈服面形状也是椭园。
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