Research on crack resistance of new block wall based on limit deformation theory;
基于极限变形理论的新型砌块墙体抗裂性能研究
In dealing with the ultimate deformation,the author not only takes thetraditional wltimate tensile stress into account,but takes it into consideration that the cylin-der wall in the outlet section of the die should be kept in compressive stress state in order toguarantee the precision of the cylindrical workpiece.
本文分析了变薄拉深中材料的应力状态，并采用上限法导出了筒壁拉应力解析式，提出了一种新的极限变形率。
Probabilistic characteristics of ultimate drift ratio of R.C. column and its application in reliability analysis of controlled structures;
钢筋混凝土柱极限变形角的概率特性及其在有控结构大震可靠度分析中的应用
Theory research on the maximum reduction of deep tine taper hole formed by open-die cold extrusion;
深小锥孔挤压成形极限变形程度理论判据建立
In the paper, maximum reduction when deep tine taper hole is formed by open-die extrusion is defined.
给出了深小锥孔件开式冷挤压成形时极限变形程度的定义,建立了变形区非稳态连续速度场;利用上限原理得到了极限变形程度的理论判据。
The theoretical maximum reductions under the condition of all combinations of the parameters are obtained,which is verified by the experiments,based on the maximum reduct.
提出了极限变形程度的判别准则 ,借助优化方法得到各参数组合下的理论极限变形程度 ,并进行了实验验证。
STORY ULTIMATE DEFORMATION CAPACITY CALCULATION OF SHORT-PIER SHEAR WALL STRUCTURE
短肢剪力墙结构层间极限变形能力的计算
Study of Critical Theory about Buckling Forming of Middle Thick-walled Tube Bearing Axial Load;
中厚壁圆管轴压屈曲极限变形理论研究
deflection at working ultimate load
工作极限负荷下变形量
Research on Deformation Mechanism and Forming Limits of Tube Inversion;
翻管变形机理及翻管成形极限的研究
Limit Strains of Sheet Metal Forming under Broken-line Strain Paths(Ⅱ)--Calculating and Testing on the Limit Strains for Sheet Metal Forming
复合变形路径下的板材冲压成形极限应变(Ⅱ)——冲压成形极限应变的计算与试验
Numerical analysis of stretching limit for Al-Mg-Si based alloy auto body sheet
Al-Mg-Si基合金车身板胀形变形极限的数值分析
Experimental investigation on forming limits of AA5052 sheet in hybrid quasi-static/dynamic plane-strain tensile process
AA5052板材准静态/动态平面应变成形极限试验研究
Limit Analyse and Large Deformation Consolidation Analysis by FEM for Soil Nailed Structure;
土钉支护结构的极限分析法及大变形固结有限元分析
Landslide analysis by coupling large deformation elastic-plastic FEM with limiting equilibrium method
大变形弹塑性有限元与极限平衡法滑坡耦合分析
conical cup value
锥形杯突深冲极限值
determination of the long-term ultimate bending strain and calculation of the long-term ultimate relative ring deflection, both under wet conditions
潮湿条件下长期环状弯曲应变和长期环形偏转的极限测定
With less coefficient of frictrion, high limiting speed, large sizerange and variations of structure, they are suitable for precision instruments.
该类轴承摩擦系数小，极限转速高，尺寸范围与形式变化多样。
Torsion deformation is the biggest effect factor on elastic limit equivalent stress.
扭转变形是对钢丝的弹性极限等效应力情况影响最大的因素。
The result shows that the main factors affecting the ultimate capacity are the local deformation and instability of the bridge.
结果表明,桥梁局部变形失稳是影响整体极限承载力的重要因素。
Finite-Element Analysis of Brick Masonry Building with Frame-Shear Wall Structure at First Two Stories Considering Floor Deformation;
考虑底部两层框架——抗震墙砖房楼极变形的有限元分析
Bearing capacity analysis of self-balanced load test pile under the control of limit state and deformation
极限状态及变形量控制下自平衡试桩承载力分析
Prediction and Analysis on Deformation Behaviour and Ultimate Bearing Capacity of Single Uplift Pile with Gray System Method
灰色系统法预测分析抗拔桩单桩变形性能与极限承载力
The Research on the Limit Parameters for One-Operation Forming the Conical Part in Deep Drawing;
圆锥形零件一次成形极限参数的研究