A strain-coupling integral constitutive equation for non-linear viscoelasticity is evaluated using double-step shear strain experiments. Evaluation of the functions of the theory is discussed, and it is shown that the theory provides satisfactory descriptions of strain and time variations for doublestep...
The schematic diagram of the soil shear strength parameter calculation. (a) Stress–strain curve. (b) Mohr’s circle. For this experiment, a total of 84 tests carried out with four different confining pressures, three different dry densities, and seven different initial saturations (4 × 3 ...
What is the unit of strain energy? The unit for strain energy is in joules (J). This unit is also equivalent to Newton-meter or Nm. Strain energy is the stored energy that depends on force (which is in terms of Newton) and change of length (which is in terms of meters). What is...
It is also shown that the constitutive equation satisfies the Lodge-Meissner relation for shear strains less than unity. 展开 关键词: Theoretical or Mathematical/ non-Newtonian fluids polymer melts/ differential constitutive equation polymer melts Giesekus constitutive equation Peterlin approximation finite...
The Effect of Androstenedione/Estrone Supplementation on Cortical and Cancellous Bone in the Young Intact Female Monkey: A Model for the Effects of Polycys... The goal of this study was to determine the effects of chronically elevated blood androstenedione and estrone levels on the quality and qua...
1.In the CGSM, shear modulus and damping ratio of the soil are functions of depth and shear strain, wave equation for the transmission of shear wave is obtained. 在连续梯度土介质型,剪切阻尼比是位置深度剪应的函数,导出剪切波在土体的波动方程。 声明:以上例句、词性分类均由互联网资源自动生成,部...
Stress–strain measurementsnumerical simulationtensile testingneckingFull-range strain hardening behaviour, containing the post-necking stage, is difficult to account for in detail. Hence, a Swift–Voce (S–V) model was used to describe the full-range stress–strain behaviour of 7050-T7451 aluminium...
1.The paper deducedgeometric equationbased on the physical concept of engineering linear and shear strain and the characteristics of "axial symmetry" and "large deformation".从工程线应变和工程切应变的物理概念出发,根据"轴对称"和"大变形"的特点,推导出相应的几何方程,另导出大变形条件下的体积不变定律。
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Theoretical dependencies of nanograin size on temperature and shear strain reproduce well corresponding critical dependencies obtained in experiments on nanostructuring of metals under the SPD, including the effect of saturation of nanofragmentation. The scaling parameter of the NET is estimated and shown ...