1) copper wire terminal
钢线接头
2) girth joint of X70 pipeline steel
X70管线钢环焊接头
1.
Neural network between impact ductility of girth joint of X70 pipeline steel and welding parameter;
X70管线钢环焊接头冲击韧性与焊接工艺之间神经网络的建立
2.
CTOD of girth joint of X70 pipeline steel is mainly affected by heat input,preheat temperature and thickness.
X70管线钢环焊接头的CTOD值的影响因素主要为线能量、预热温度和板厚,应用此数学模型计算的CTOD值与试验值符合较好。
3.
Crack-tip opening displacement is one of the most important performance for girth joint of X70 pipeline steel.
本文选择了2层神经元的神经网络结构,采用S型激活函数,将板厚、预热温度、线能量、取样位置作为神经网络的输入,将环焊接头的裂纹尖端张开位移CTOD值作为网络的输出,通过BP算法的网络学习,采用VC语言建立了X70管线钢环焊接头CTOD与环焊工艺之间的神经网络。
3) joint of R102 steel
R102钢接头
4) joint breakout
接头漏钢
5) rail joint
钢轨接头
1.
Dynamic computational model of vehicle/track vertical coupling system is developed by means of finite element method for analyzing the effects of joint gap value and running speed on the vibration caused when the vehicle passing a rail joint.
为了分析轨缝值与行车速度对车辆通过钢轨接头时产生的振动与噪声的影响程度,利用有限元方法,建立了车辆—轨道垂向耦合动力计算模型;该模型的车辆采用整车模型,共10个自由度;轨道结构采用3层弹性点支承有限长欧拉梁模型,共402个自由度;系统的激励大小可由轨缝值和行车速度推导出来,并运用赫兹非线性接触理论计算轮轨之间的相互作用力。
2.
A three dimensional calculation model of rail joint is proposed using finite element software ANSYS.
利用有限元软件ANSYS建立了钢轨接头的三维计算模型,分析了螺栓转矩变化对接头区钢轨应力、接头夹板应力和螺栓应力的影响。
3.
Using this model, the dynamic responses of the rail joints are calculated, which provides the theoretical basis for raising speed of Jing Jiu Railway.
运用该模型 ,对不同列车速度条件下钢轨接头的动力响应进行了计算 ,为京九线路的提速提供了理论依据。
6) tie-in of iron pipe
钢管接头
补充资料:钢绞线
见预应力钢丝。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条