Neutral layer

Research on place of stress and strain neutral layer in elastic plastic bending of plate

板料弹塑性弯曲应力应变中性层位置关系探讨

Influence of neutral layer inside displacement on bending springback

中性层内移对弯曲回弹的影响

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

Variability of neutral layer of asymmetric sectional steel in cold bending

非对称型钢冷弯中性层的可变性

Based on the principle of constant strain distribution , the diameter of neutral layer for the component was obtained .

采用等应变分配原理，得出了分流层直径的大小，并进行了成形力和坯料尺寸的计算。

Determination and Application of Inward Shifting Position of Stress Neutral Layer of Cold-bent Square Tube

冷弯方矩管中性层内移位置的确定及其应用

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。

The calculation formulas about neutral layer vertical strain , bending moment , bending force wrap angle were deduced .

得出铜扁线中间层纵向应变、弯曲力矩、压弯力和包角的计算公式。

And it is many sources curvature fatigue fracture feature . But the neutral layer frequently bear the smallest force .

疲劳源出现在零件受力的中性层附近，并且呈多疲劳源。

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；

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。

Neutral layer of flexspline 's toothed ring

柔轮齿圈壁厚中性层

And then , by using the upper and lower vertices'position of neutral layer , the anti-bend rate was determined by curve fitting method .

再利用中性层上下顶点处的位置，用曲线拟合的方法确定出了板材在矫直过程中的反弯曲率；

Pasting FRP can effectively improve the distribution shape of cracks in the beam and had obvious influence on the displacement of neutral layer .

FRP加固可以有效改善梁底裂缝的分布形态，且对其中性层的位移有明显影响。

With the development of strong convective systems , the maximum vertical motion extends upwards , so do the saturated layer and neutral layer .

系统发展最强时垂直方向是两个模态，发展和衰减阶段一般为多个模态；

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。

The theoretical calibration curves for friction of plastic working was plotted and the exact position of the neutral layer of plastic flow was given in the solution .

进而采用该解绘制塑性加工中测量摩擦系数的理论校准曲线。

The computation expression for the strain neutral layer of stress and plastic bending was introduced and so the thinning coefficient computing formula of sheet metal was deduced .

给出了板料弯曲的应力应变中性层和纯弯曲应变中性层的计算公式，并推出板料弯曲时的变薄系数计算公式。

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。

Due to the distinct difference in tensile and compressive properties , the position and deformation curvature of curved neutral layer will change with time for the ! strata in a creep state .

由于岩石材料抗拉与抗压性能的明显差异，使岩层受蠕变作用时，其弯曲中性层位置及变形曲率都将随时间变化。

The study results indicate that the initial state of the bending neutral layer and curvature of strata is dependent on the elasticity parameters while the final state is dependent on the viscosity parameters .

研究结果表明：岩层弯曲中性层和曲率的初始状态决定于岩石材料的弹性参数，而最终状态决定于它的黏性参数；

Properties of film influenced windshield resistant ability seriously . As the difference between elastic modulus of glass and film was about 1 ~ 2 magnitude , the windshield had only one neutral layer .

胶片特性对风挡抗鸟撞能力影响显著，胶片层弹性模量和玻璃层差1～2个数量级时，结构只有一个中性层；

The experiment mainly studied how such factors as the failure characteristics , the limit load , the largest deflection and the displacement of neutral layer of the reinforcing beam , and the stress distribution and the form of pasting FRP of the fiber board influenced the reinforcing effect .

主要研究了加固梁的破坏特征、极限荷载、最大挠度、中性层位移、纤维板的应力分布及粘贴形式对加固效果的影响。

But in the deduction , the Bauschinger effect and the rotation of neutral layer are neglected . The springback angle of tailor-welded blank with thickness ratio 2 ( 1.6 / 0.8 mm ) is calculated for this analytical model and verified by free bending experiment .

针对这个弯曲回弹公式，编程计算差厚（1.6mm／0.8mm）拼焊板的回弹值，并采用75°V形自由弯曲试验进行了验证；

Adjusting Method Studies on Neutral Atmospheric Boundary Layer Simulating Tests

中性大气边界层模拟试验调试方法研究

A numerical model of stationary neutral atmospheric boundary layer over water with varying roughness

水面粗糙度可变时的定常中性大气边界层数值模式

A discussion on dynamical similarity for modeling of pollutant transport and dispersion in neutral atmospheric boundary layer

模拟中性大气边界层中污染物传输与扩散的动力相似讨论

Wind effects on a single cooling tower and a group of towers have been measured in a modelled neutral stratification atmospheric-boundary - layer in a low-speed wind tunnel .

本实验在1/1000的中性大气边界层模型中系统地测量了在各种状态下的冷却塔和塔群的风荷载。

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。