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
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。
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。
Based on definition of strain energy function,increment formula of stationary potential energy of finite displacement theory were derived in terms of Kirchhoff stress tensor and Green strain tensor.
基于有限位移理论应变能密度函数的定义,利用Kirchhoff应力张量和Green应变张量,推出了非线性分析中增量形式的势能驻值公式,并证明了由势能增量驻值原理得到的增量平衡方程形式与由虚位移原理所得的结果完全一致。
Then the applicability of both Kirchhoff stress tensor and Lagrange strain tensor are studied to describe the stress and strain field of these structures.
文中探讨了正装结构非线性的分析特点,研究了其应变场与应力场的Kirchhoff应力张量与Lagrange应变张量的适用性,提出了正装结构非线性分析中应力场与应变场的累加规律,导出了拖动坐标法的虚功增量方程,以此对杆系结构非线性分析常用的CR法和UL列式进行了精度比较分析。
In this paper, We define the lift g of Finsler metrics g in the manifold M to the T(M), also we introduce the stein tensor field S for the general Finsler connection FG, and prove that, the factors of N-decomposition all are p-homogenity.
本文以最一般的方式定义了流形M上Finsler度量g在T(M)上的提升g,又引进对一般的Finsler联络FG而言的应变张量场S,并证明了它的所有N-分解因子全是正齐次的。
The Differential/Integral Relations between Stress-strain Tensor and Strain Energy Function of Nonlinear Elastic Solids
非线性超弹性体应力应变张量与应变能函数之间的微积分关系
Application of Wavelet Transform to Cable Tension Measurement
小波变换在缆索张力测量中的应用研究
The Study of Wallerian Degeneration Using Diffusion Tensor Imaging;
磁共振弥散张量成像在Wallerian变性中的应用研究
Basis-free Representations for Tensor Functions and Their Applications in Elastoplasticity at Finite Strains;
张量函数的不变表示及其在弹塑性大变形中的应用
maxwell energy stress tensor
麦克斯韦能量应力张量
The Application of MR Diffusion Tensor Imaging in Cervical Cord Diseases;
磁共振弥散张量成像技术对颈髓病变的临床应用研究
Current Crustal Strain Field in the Sichuan-Yunnan Area by Joint Inversion of GPS and Seismic Moment Tensor
川滇地区地壳应变场的GPS与地震矩张量联合反演研究
The Application of Diffusion Tenor Imaging in Monitoring the Development of Cerebral Infarction
MR扩散张量成像在脑梗死演变诊断中的应用价值
The 3-D strain field is formulated based on the concept of decomposition of the rotation tensor and is given in terms of one-dimensional(1-D)generalized strains and a 3-D warping displacement.
基于旋转张量分解的概念，得到了由1维广义应变与3维翘曲位移表示的3维应变场。
Conservation of Mass. Conservation of Momentum. Stress Tensor.
质量守恒，动量守恒，应力张量。
The quantities baβ are the covariant components of a plane tensor, called the curvature tensor of the surface.
baβ是“平面张量”的协变分量，叫做该曲面的曲率张量。
Using the metric tensor ?? one may form compontents of other variances.
利用度量张量?夯箍梢怨钩善渌?变异的分量。
Extension or displacement of a loaded structure per unit load.
柔量每单位加载的伸张或变形
An improved approach on distortion decomposition of magnetotelluric impedance tensor
一种改进的MT阻抗张量畸变分解方法
The Four Dimensional Tensor Expression of Maxwwll's Equations and Its Covariance
Maxwell方程的四维张量形式及其协变性
The changes of endothelin-1 and nitric oxide levels in varicose veins in the lower extremities
下肢曲张静脉组织ET-1和NO含量的变化
Applying VB in Calculation of Pre-stress Elongaton
VB在预应力张拉伸长量计算中的应用
dimensional stability: Ability of paper or film toretainits shape despite variations in relative humidity or mechanical stress.
尺寸稳定性:纸张，胶片或菲林在水份含量和机械应力的变化下所能保持原来形状的能力。