变形曲线

The impression cylinder of J2108 offset press is regarded as research object in paper,and the deflection of cylinder is researched as simply supported beam with variable cross section .

以J2108型胶印机压印滚筒为研究对象，将滚筒挠曲变形作为变截面简支梁问题来研究，考虑重力载荷影响，通过积分法得到滚筒在印刷压力和重力载荷作用下的挠曲变形方程和曲线，应用MATLAB7.0平台上编写了印刷滚筒挠曲变形计算程序，为滚筒结构的合理设计提供了依据。

The paper puts forth that the numerical model of actual forming part is reconstructed by RE and the surface is regarded as actual trimmed surface, then grids and nodes mapping relationship between design model and actual forming part is acquired through compelling deformation simulation, and the design trimming line is dispersed into points according to a certain precision and the projective points and the coordinate values of the intersection points of projective line on the grids formed by discrete points are calculated along trimming direction, the new coordinate values of projective points and intersection points of projective line after deformation are calculated based on the mapping relationship of grids and nodes, the deformed trimming line can be acquired through fitting the points into curve.

本文提出通过逆向工程技术重构出实际冲压件的型面并以此型面为修边后实际冲压件的型面，然后采用强制变形仿真的方法建立设计模型和实际冲压件重构模型的网格和节点映射关系。将设计修边线按一定精度离散成点，然后根据修边方向计算出各点在网格上形成的投影点和投影线交点，根据之前计算出来的网格和节点映射关系就可以计算出投影点和投影线交点在变形后的新坐标，将其拟合成曲线就可以得到变形后修边线的形状。

The stress distribution equations of flange deformation region of regular polygon box parts are given firstly in this paper.

首先给出正多边形盒零件凸缘变形区的应力分布式，接着分析了凸缘变形区的应力变化规律，并以0Cr18Ni9板材和方盒零件为算例给出了凸缘变形区的应力分布曲线。

It isverified that the method for using little deformation condition was true with accurate solution of threepiece straightening curve.

文摘：三段矫直曲线应变速率的假设，通过计算三段矫直曲线的精确解，验证了使用小变形条件的正确性；考虑高温铸坯蠕变性能，对铸坯的力学行为进行了分析，得出了使用三段矫直曲线方法，铸坯应变速率、应力及应变在矫直区内变化较为平缓，可有效避免铸坯内裂纹的形成；使用本文三段矫直曲线精确解，调整辊列位置，可进行连铸机的在线技术改造。

The CCT curve s under deformed and undeformed conditions were obtained by way of thermal dilation and metallography.

用 Gleeble-1500型热力模拟试验机研究了含钛高强度钢变形奥氏体在连续冷却过程中的相变规律，用膨胀法结合金相法建立了该钢变形和未变形奥氏体的连续冷却转变曲线，并探讨了该钢的热轧可行性。

Graph protracting, it can draw corresponding deformation curve of sinking process sinking speed horizontal deformation horizontal deformation speed.

3图形绘制，根据变形监测的成果，可以绘制相应的测点下沉过程、下沉速度、水平变形、水平变形速度等曲线。

According to the standard and request of mechanical structures for electronic equipment tests, the finite element model of the electronic equipment cabinet was built by using the software of finite element analysis-ANSYS and simulated the tests of random vibrations by loading and calculating. The 3-D isopleths graph of deformation and stress of the cabinet was obtained. It could confirm the maximum of deformation and stress of the cabinet and probability of occurrence. Through more analysis of the frequency response curve reflected directly and clearly the deformation of the cabinet within the particular seismic frequency.

根据电子设备机械结构随机振动试验的标准和要求，采用有限元分析软件ANSYS建立电子设备机柜结构的有限元模型，通过加载求解对其进行随机振动试验的数值模拟，得到机柜有限元模型的三维变形和应力等值线图，进而确定机柜承受应力和变形的最大值及发生概率；通过对频率响应曲线的进一步分析，可以直观明了地反映出机柜承受一定频率范围地震下的变形情况。

The deforma-tion history and strain characteristic during deformation of material are describedby the flow line in which the deformation history and strain characteristic re-strain the crack initiation at stage II and the crack propagation at stage III.

材料的流变曲线描述了形变过程中的变形历史和应变特性，有明显的阶段性，其中第Ⅱ阶段的变形历史和应变特性制约着裂纹的启裂过程，第Ⅲ阶段的变形历史和应变特性制约着裂纹的扩展过程。

Two groups of field tests on original soil and the soil among piles ,three groups of field tests on single pile ,one-pile and three-pile composite foundation have been conducted and the results of the bearing capacity ,as well as the elastic modula of each pile and composite foundation are obtained.It can be seen that soft earth reinforced by cement-soil piles seem to have better appearance in bearing and deforming than original one.

通过桩间土、原状土各两组，单桩，单桩与多桩复合地基各三组的现场静载荷对比试验，获得了各自的容许承载力值，根据P-S曲线计算出的变形模量结果表明，地基经过粉喷处理后，地基力学性质和变形特性得到明显改善，土层的强度和变形模量明显提高。

The test result has been described and the causes of differential subsidence on the bottom of test pit have been analyzed from two aspects (deformation of loess collapse and slip and subside of wet soil mass along fracture). On this basis, the article summarized that Surface water and ground fracture in the activities is to promote mutual interaction.

通过对试验的几种不同沉降关系曲线和试坑沉降变形等值线图的描述，文章从可能引起试坑产生不均匀沉降变形的两个方面(黄土湿陷变形、浸湿土体沿裂缝滑移下陷)作了探讨，得出地表水与地裂缝的活动是相互促进相互影响的关系。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。