变形曲线

The finite element model constructed was used to calculate the stress distribution and load-deflection characteristic of the leaf spring.

应用所建立的有限元模型计算板簧的应力分布和载荷－变形曲线。

The effect of the support at the crest introduces in particular an inversion of the normal curvature of a free cantilever in free deformation.

特别是坝顶支承作用使一个自由悬臂梁的变形曲线。

A method to measure the outer radial deformation curve of tubular specimen under internal pressure is proposed,the yield strength in the hoop direction of the tubular specimen could be derived.

提出了物理概念清楚、易于理解与掌握、适用于各种材料的换热器液压胀接残余接触压力的图算分析原理，建立了测量管状试样在内压作用下外表面的径向变形曲线和环向屈服强度的方法。

This article mainly simulates gradually damage destruction process of rock, major in determinationg the definition of rock three-dimensional damage tensor, simplify to the damage tensor and obtain its engineering calculation method, and obtains the basic expression form of equivalent stress by equivalent stress assumption, symmetrization to the actual stress, thus obtains construction relation of the festival principle of three-dimensional damage rock mass, finally couples elasticity- plasticity with damage in the finite element equation, with reference to elasticity-plasticity gradually degenerated method thought, simulates rock damage to advance gradually the destruction process in finite element method, draws up elasticity - plasticity and damage coupling two-dimension finite element procedure with the C language in the VC contact surface, by simulating experiment destroyed process, acquires destruction image and the axial load distortion curve of model, agreement with the experimental result.

本文主要模拟岩石渐进损伤破坏过程，确定岩石三维损伤张量的定义，对损伤张量进行简化计算并得出其工程计算方法，采用等效应力假设得出有效应力的基本表达形式，对有效应力进行对称化，得出节理损伤岩体的三维本构关系，在有限元方程中实现弹塑性和损伤耦合；借鉴弹塑性渐进退化方法的思想，采用有限元的方法模拟岩石损伤渐进破坏过程，用C++语言在VC界面编制了弹塑性和损伤耦合的二维有限元程序，通过模拟已有的实验破坏过程，得出模型的破坏图像和轴向荷载变形曲线，与实验结果基本一致。

On this basis, playing the analysis and research of elastoplastic properties to this type structure, there are the following contents: Firstly, using the EPSA static elasto-plastic analysis software,carries on analysis checking under frequently occurred and seldomly occurred earthquake of 7, 8, 9 degree, and achieves the curve of force-deformation, and judges strength performance and ductility quality of the whole structure .

在此基础上，对本类型结构进行弹塑性性能的分析研究，有如下内容：一、用EPSA静力弹塑性分析软件对结构在7度、8度、9度的多遇及罕遇地震进行了分析验算，并得出力-变形曲线，判断整个结构的受力性能和延性好坏。

Then base on concept of energy dissipation, hysteretic behaviors of RC material, and experiential factors obtained from shaking table tests with repeated excitation, a deterioration rule for RC column after multiple earthquakes is established. According to the failure mode and damage condition in previous earthquake, the rule makes lateral force-deflection curve of RC column deteriorated by reducing stiffness and strength.

本文再根据能量消耗概念与RC材料之恢复力环特性，及由多次加载振动试验结果所得之经验参数，尝试建立RC柱构件之多次震害后折损规则，依构件破坏模式不同，对每次震后侧力-变形曲线加以刚度与强度逐次折减。

And it was suggested as well that assuming of the deformation curve could quite affect the damage evaluation result.

针对目前研究中应用深梁模型时弯曲变形曲线形式的假定进行了探讨，从理论和实测结果两方面说明圆弧假定是不合理的，同时也说明曲线形式的假定对破坏判断结果影响非常大。

The results match well with the actual damage observations. It was verified that assuming the bending deformation curve as an arc is not reasonable for the deep-beam method.

采用材料力学中深梁模型的变形曲线，与破坏准则相结合对建筑物在差异沉降下破坏的机理进行了分析，理论分析与实测结果吻合较好。

By the mechanics analysis of pumping rod, the calculation model of the mechanics analysis of pumping rod and neutrality point of oil tube have been established. The function of pumping rod bend space length and account method have been derived and analysis example have been completed. The simulation of wellbore trajectory and the deformation curve of sucker rod and oil tube is also given.

论文对机械磨损和腐蚀对偏磨的影响进行了分析，通过对抽油杆和油管的力学分析，建立了下冲程抽油杆、管柱下部受力分析与中性点计算模型；给出了抽油杆变形的影响因素，建立了油井井身轨迹、抽油杆和油管在油井中的变形曲线模拟软件。

By comparing their consumptions of materials and deflexions, a suggestion that better effect can be achieved by enhacing its girder height and lessening its webs thickness for long span continuous through girder is presented.

至于连续梁桥，由于其边跨对中间跨的弯矩可起卸载作用，中间支点截面有负弯矩，使梁内所受弯矩沿梁长分布比较均匀，因而有利于充分利用支点附近的梁截面和梁内的预应力筋；此外，由于其桥跨在桥墩上连续，致使变形曲线匀顺，因而对高速行车有利。

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。