查询词典 infinitesimal deformation

Effective and robust finite element methods are developed for both infinitesimal TNT deformation theory and flow theory.

为小变形的TNT形变理论和流动理论，发展了有效的有限元方法。

It can be concluded that the slipping of phase interfaces or the viscous sliding of grain boundary, dislocation's oscillation, the infinitesimal plastic deformation that was caused by the difference of elastic module and heat expansion coefficient between phases of the alloy yielded the damping of the alloys.

研究表明合金的阻尼是由合金晶界和相界面滑动、位错振荡以及各相的热膨胀系数和弹性模量间差造成的微塑性变形共同造成的。

It is indicated that the damping of the alloy is induced by phase interface slipping or grain boundary viscous sliding, the infinitesimal plastic deformation which is caused by the difference of elastic modules and heat expansion coefficients between phases of the alloy.

结果表明： ZA27-4%Si合金阻尼随频率增大而减小，随温度升高而增大，阻尼不随应变振幅的变化而变化； ZA27-4%Si合金室温阻尼为5.83×10-3，与ZA27合金阻尼相当； ZA27-4%Si合金的阻尼是由合金内部的晶界和相界面滑动、位错振动以及各相的热膨胀系数和弹性模量间差造成的微塑性变形共同造成的。

Key words: solid mechanics;finite deformation;back stress;infinitesimal strain;singular yield surface

关键 词：固体力学；有限变形；背应力；小变形；奇异屈服面

This paper discusses the yield function, loading unloading criterion and constitutive equation of Lagrangian finite deformation elastic-plasticity theory. Finally, Lagrangian finite elastic plasticity theory is used on constitutive models of elastic-plasticity at infinitesimal strain, and the complete constitutive relation for singular yield surface theory is obtained.

本文讨论了Lagrange型有限变形弹塑性本构理论的屈服函数、加卸载准则、本构方程等，最终将Lagrange型有限变形弹塑性本构理论应用于小变形情况下的奇异屈服面弹塑性模型，得出了完整的Lagrange型有限变形弹塑性本构理论。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。