1) rate of strain tensor
应变速率张量
2) rate of strain tensor
应变率张量
3) deformation rate tensor
形变速率张量
4) deformation rate tensor
变形速率张量
5) strain rate vector
应变速率矢量
1.
A new integration method is proposed to simplify the strain rate vector inner-product by the mean value theorem in a cylindrical coordinate system.
提出以积分中值定理简化应变速率矢量内积的积分方法。
2.
A linear integration of strain rate vector is developed.
该文开发了一种应变速率矢量的线性化积分方法。
3.
First, effective strain rate for disk forging with bulge is expressed in terms of two-dimensional strain rate vector and its inner-product term by term integrated.
首先将有鼓形圆盘锻造等效应变速率表示成二维应变速率矢量,对该矢量的内积进行了逐项积分;其次,将逐项积分结果求和并证明了求和结果与传统直接积分法的塑性功率表达式相同;最后由速度场推导出圆盘锻造应力影响因子的解析解与相应的鼓形参数b的计算公式。
6) strain tensor
应变张量
1.
A note on the accurate expression of strain tensor;
关于壳体有限变形的准确应变张量表达式的一点注记
2.
The influences of deformation and Poisson ratio on the volume ratio under different strain tensor descriptions are studied.
对不同应变张量描述下的体积比受变形程度及泊松比的影响进行了分析,结果表明:在La-grangian应变张量与Almansi应变张量及Eulerian应变张量描述下,假定泊松比不变,大变形时都会出现体积变化反常的现象;在对数应变张量描述下,当泊松比取值0。
3.
The expressions of the Lagrangian-Green strain tensor and the Eulerian strain tensor and their work-conjugate stress tensors,namely,the second Piola-Kirchhoff stress tensor and Cauchy stress tensor,are derived for the beam under axial uniformly tension,and the constitutive relations of these two pairs of work-conjugate stress and strain measures are also presented.
推导了轴向均匀大变形等截面杆的Lagrangian-Green应变张量和Eulerian应变张量以及分别与它们能量共轭的第二类Piola-Kirchhoff应力张量和Cauchy应力张量的表达式,给出了这2对能量共轭的应力应变张量的本构关系式。
补充资料:应变速率张量
应变速率张量
strain rate tensor
y ingblan sul日zhangl旧ng应变速率张里(strain rate tensor)由一点的九个应变速率分量所组成的矩阵,亦称应变速度张量。即 f云_已,云__、f已,已、么、 已‘:-IC甲.C。.e~。.1~1 Cl,C,,仁,,l L£云气留乓)L£z,肠3局3少以工程应变表示的张量为 卜韶二合叫 气一1言yz.‘言‘} L言\言称“·J由于遥。一ha,命一‘,,或二一屯及卞。一卞二,夕,一乞,,乞二~夕二,故应变速率张量是一个二阶对称张量,它具有对称张量的一切性质。 应变速率张量也存在三个张量的不变量,其表达式与应变张量的不变量相同,即在表达式中以应变速度分量代替应变分量。 (王振范)
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