The stress concentration position and maximum deformation value can thus be determined at the moment of initial moving of the connecting rods and the structure of rods is optimized,so that deformation of the rods in the course of process .
首先阐述了大连杆机构的工作过程,并对硬盒包装机的左机身大连杆的自由度进行了计算,然后运用三维有限元方法分析了大连杆的受力情况,确定了大连杆在初始运动时的应力集中点和最大变形量并对其在结构上加以优化,减少了大连杆的加工和使用变形,保证了大连杆的使用质量。
In need of fatigue behaviour,the hot spot stress concentration factors(SCF) of the type of T-joint under axial force and in-plane bending on the brace respectively were analyzed using finite element method,and the effects of nondimensional geometric parameters β,2γ and τ on the SCFs were investigated.
钻石鸟嘴式节点是桁架式方管结构中一种新的焊接节点型式,本文基于疲劳性能研究的需要,应用有限元方法,分别分析了在支管受轴力和平面弯矩作用下这种T形节点的热点应力集中系数SCF,考察了节点无量纲几何参数β,2γ,τ对SCF的影响效应,并将这种新型节点的SCF与传统方管节点的SCF进行了比较。
Early diagnosis for the stress concentration zone of borehole casing pipe by metal magnetic memory and wavelet transform;
磁记忆与小波变换相结合的井下套管应力集中早期诊断方法
Three-dimensional stress concentration and its influence on the fatigue strength at an elliptic hole;
椭圆孔三维应力集中及其对疲劳强度的影响
Model test of mine tunnel in stress concentration areas with digital photography-based deformation measurement technique;
应力集中区巷道模型实验的数字照相量测分析
The results indicate that magnetic memory testing method can determine the welding line nature and synthesis,evaluate it with magnetic leakage field parameters,and find disfigurement in welding with magnetic leakage field grads and intensity coefficient of concentration of stress.
结果表明:磁记忆法利用漏磁场参数可对焊缝质量进行定性和综合评估,用漏磁场梯度(应力集中强度系数)可找出焊缝缺陷。
Practice showed that in this way the forward creep was reduced effectively, and concentration of stress was prevented, and mechanical properties of products were improved, the cold bending cracking was decreased significantly.
实践表明,通过对横肋尺寸的修改,可有效地降低横肋部位的前滑值,防止应力集中,使螺纹钢筋产品质量得到提高,力学性能得以改善,从而使冷弯裂纹现象显著减少。
The article mainly discusses the effects which various elements on the project will have on the protracted limit,such as concentration of stress.
本文重点讨论了工程上各种因素对持久极限的影响 ,其中包括应力集中、构件尺寸、构件表面加工精度、腐蚀介质等 ,以便在工程设计中尽可能减小各种影响 ,设计的构件更合理、更实
In order to analysis the performance of the compound four-bar parallel micromanipulator, its concentrated stress model is analyzed and dynamic characteristic is modeled by using of Lagrange equation.
通过分析单、双平行机构的优缺点,设计了一种低耦合位移和集中应力的复合四杆机构微操作器,建立了集中应力模型,并利用拉格朗日等式对其动态特性进行了建模研究;采用有限元方法对微操作器进行了静态和动态分析,并对其静、动态特性进行了试验测试。
The effection of thickness of welding parts on the stress intensity factors were researched.
给出了数值解法计算模型,研究了焊口厚度对焊口应力集中系数的影响。
The affection of tilting angle of welding parts to stress intensity factors were researched.
给出了有限元法计算模型,研究了焊口倾角对焊口应力集中系数的影响。
Using ANSYS software have static analysis for connecting rod bolt,gaining location of stress intensity,depended on Weibull distribution probability function calculated equivalent stress amplitude.
利用ANSYS软件对连杆螺栓进行静力学分析,得出其应力集中的位置,根据Weibul1分布概率密度函数计算了连杆螺栓的等效应力幅。
Hot Spot Stress Concentration Factors of Diamond Bird-Beak SHS T-Joints
钻石鸟嘴式方管T形节点热点应力集中系数分析
Numerical Analysis on Stress Concentration Factors for Tubular T-Joints
T型管节点应力集中系数的数值分析
Study on stress concentration factors of K-joints under axial loads
轴向荷载作用下K型管节点应力集中系数研究
Effect of pitting corrosion on surface stress concentration factor of aluminium alloy
铝合金点蚀对应力集中系数影响的分析
Full-Size Testing to Determine Stress Concentration Factors of Dragline Tubular Joints
索管节点应力集中系数的足尺模型试验研究
geometric elastic stress concentration factor
几何弹性应力集中系数
EXPERIMENTAL STUDY OF STRESS CONCENTRATION FACTOR FOR COMPLETELY OVERLAPPED K-JOINTS
完全叠接K型管节点的应力集中系数的试验研究
Applying the conversion coefficients of heat and steam rate to analyse economy of thermal system
热(汽)耗变换系数在热力系统经济分析中的应用
The Analysis of Stress Concentration Coefficients of a Large Cross-section Tunnel
大断面隧道应力集中系数的分析研究
Application of SCADA system to central heating and energy saving analysis
数据采集与监督控制(SCADA)系统在集中供热中的应用与节能分析
The Application of Wireless Sensor Network in the Stress Data Acquisition System;
无线传感器网络在应力数据采集系统中的应用
Data Collection for ECM System in Management System of Electric Power Load
电力负荷管理系统数据采集在ECM系统中的应用
As found in Example 1, the stress concentration factor for the fillets is equal to 1.78.
如例1中所求出的，圆角的应力集中系数等于1．78。
The Monitoring System Based on PSTN for Heating Power Stations;
基于PSTN的热力站远程数据采集系统
The Application Research of Central Heating System for Splitting Thermal Measurement;
集中供热系统分户热计量的应用研究
Numerical simulation of stress generated in TGO in thermal barrier systems
热障涂层系统中TGO应力生成的数值模拟
Application of common mathematical tools in the identification of thermodynamic relation
常用数学工具在热力学关系式证明中的应用
Parametric Equations on Stress Concentration Factor of Completely Overlapped Tubular Joints under Axial Loading
轴向力作用下完全叠接管节点应力集中因子的参数方程