塑性计

The method propose the space hingeconcept to the traditional element joint hinge,which can account for the effects ofresultant interactions at element end and elastic unloading.

此方法赋予了杆端塑性铰以空间铰的概念，它既考虑了杆端处内力间的相互影响；也计及了弹性卸载的影响。

ZHOU Jiming, QI Lehua, CHEN Guoding, ZHANG Yuebing, Research on the constitutive equation of Al2O3sf/LY12 composite under hot compression deformation, Journal of Plasticity Engineering, 12(05), 582005

周计明，齐乐华，陈国定，张跃冰， Al2O3sf/LY12复合材料热压缩变形流变本构方程研究，塑性工程学报， 12(05)， 582005

On the principle of the deformation work this paper words out a very simple method for approximate calculation of the extrusion force in the metalic plastic extrusion processes.

运用变形功原理，推导出求金属塑性挤压过程中挤压力的一种极其简捷的近似计算式。

On the basis of the actual field landform and topography, a simulation test was modeled using similarity theorem. This study embeds gauges in the in-situ geogrids at the construction site and to monitor the distribution of stress and distortion patterns during road construction.

根据野外实际地形地貌条件，利用相似性原理，制作室内模拟模型；在填土中埋设传感器、在土工格栅上粘贴塑性应变计，观测加筋路堤在施工过程中的应力分布和变形情况。

Based on structures with a typical configuration but different stories as well as 80 suitable seismic records, the statistical amplifying factors for estimating the elastoplastic displacements of braced and unbraced steel building frames subjected to severe earthquakes have been obtained through a great number of numerical calculations.

本文在合理地选取丰富的地震记录及典型的结构形式的基础上，通过大量计算，统计得出了有支撑和无支撑钢框架结构在罕遇地震下弹塑性位移增大系数，以此提出了抗震设计时进行罕遇地震下多高层建筑钢结构弹塑性位移验算时的实用计算数表。

The simple calculation for stress isolines is brought about by a spline interpolation method,as well as the distributions of stress trace are given,which can provide more simple and direct stress field for designers.

混凝土重力坝应力计算的主要方法是理论计算法，分为材料力学法、弹性理论法和弹塑性理论法，但材料力学法至今仍被认为是计算重力坝应力和设计坝剖面的基本的常用方法[1，2]。

On the experimental device of metallic membrane bulging, the measuring of in-plane true strain, transverse plastic strain at the pole of sheet, and the contour shape of sheet can be done. So that the relationship between true stress and true strain in the all deformation range of metallic sheets can thus be built up. Furthermore, the changing pattern of elasto-plastic and plastic Poisson's ratio can also be obtained.

在平膜鼓胀装置上，通过测量膜片极顶的面内真应变和横向塑性应变以及膜片的轮廓形状，并计人泊松比随变形过程发生的变化，可建立二向应力状态下箔材从弹性经塑性至破裂的整个变形范围内真应力和真应变的关系，同时还可以得到弹塑性泊松比和塑性泊松比的变化规律。

Theoretical analysis of strip mills AGC had been processed and a three-DOF mathematical model of hydraulic screw-down system had been built,which was specified cylinder displacement and inner gap and adapt to varied control way.

对板带轧机自动厚度控制模型进行了理论分析，建立了三自由度轧机负载的液压压下系统的模型，将缸位移和内辊缝相区分，使其适用于不同的控制方式，进而对厚度计式控制模型、变形的厚度计式控制模型、动态设定控制模型进行了对比研究，指出轧机模数和轧件塑性系数分别对应于自动厚度控制系统的静态指标和动态指标，为控制过程中参数的选取提供理论依据。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐