neutral layer

Through analyzing tangential strain of three areas, it found out that neutral layer of strain move entad, but the displacement is not equal in each radial section.

在对三个区域的切向应变作了较为详细的分析讨论后，提出了应变中性层虽向内移动，但其内移量在各径向剖面内是不相等的这一说法。

In this paper author has found out a characteristic of a geometrical property in planar model, and has demonstrated the property of neutral axis position in plastic state, also has proposed a numerical method of neutral layer radius in extreme state.

本文找出了平面图形几何性质的一个特性，论证了塑性范围中性轴位置的特殊性，提出了极限状态下中性层半径的数值计算方法。

Displacement of Neutral Layer And Bending Analysis of Bending Parts

弯曲件的弯曲变形分析及中性层位移

Calculate the length of run for bending parts by drawing curved neutral layer profile with equidistant lines and query function.

用等距线作弯曲中性层线及查询功能求弯曲件展开长度；

During the earlier time of creep function, the elasticity and viscosity parameters have a great effect on the position and deformation curvature of curved neutral layer.

蠕变前期，岩层弹性、黏性参数对中性层位置和变形曲率都有较大影响，但随着时间增加这种影响迅速减弱；

The variation characteristics of the position of curved neutral layer and the relative creep function with time are studied systemically based on the rheological constitutive Burgers model.

基于Burgers流变本构模型，对岩层的中性层位置和相对蠕变函数随时间的变化特征进行了系统研究。

Bring forward the arithmetic of fold character spread in sheet metal, through rotating transformation making neutral layer as datum plane.

提出了钣金件折弯特征展开的相关算法，通过以中性层为基准的旋转变换完成了钣金件的逐步联动展开。

Urban canyon enlarges urban heat capacity more greatly in daytime and there exists neutral layer in night.

结果表明，白天城市峡谷使城市热容量更大，夜晚城市呈现中性大气边界层。