我们可以画一簇曲线，这簇曲线处处都有一个主方向作为切线，这些曲线叫做应力轨线。
We may draw curves which have everywhere one of these directions for a tangent, these curves are called stress trajectory.
试验结果表明：松散岩块的切线模量与轴向应力间呈指数关系，并随其颗粒粒径和岩性不同而变化；
The result of this experiment reveals that the tangential modulus is exponential with axial stress, and varies with rock block size and rock property.
分别介绍了用分段多项式和朗培其一奥斯古特三参数方程拟合应力应变曲线并求切线模量和割线模量的方法。
By piecewise polynomials and the Ramberg-Osgood three-parameter equation fitting the stress-strain curve, the expressions of the tangent and secant modulus are derived.
该药可直接扩张外周大动脉，改善外周循环，而且可减少动脉壁切线张力，不影响血管壁切应力。
The drug has a direct dilating effect on peripheral large arteries, leading to an improvement of the peripheral circulation, and a decrease in the tangential tension of arterial walls.
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。
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.
在此本构模型基础上，利用隐式积分方法，推导出新的应力和背应力积分公式以及整体迭代所需的一致切线刚度矩阵。
Then we establish the constitutive model for simulating the non-massing behavior. Based on radial method and back Euler integration, new stress and back stress integration algorithm are proposed.
在此本构模型基础上，利用隐式积分方法，推导出新的应力和背应力积分公式以及整体迭代所需的一致切线刚度矩阵。
Then we establish the constitutive model for simulating the non-massing behavior. Based on radial method and back Euler integration, new stress and back stress integration algorithm are proposed.
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