1) bull-headed rail
圆头钢轨
2) and railhead
钢轨轨头
3) 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。
4) flat champignon rail
平头钢轨
5) double headed rai
双头钢轨
6) round-nosed steel projectile
圆头钢弹
1.
Shock initiation behaviors of PBX-9404 impacted by round-nosed steel projectiles were studied numerically by means of adding two kinds of reaction-rate into two-dimensional finite element code DYNA2D.
在二维有限元动力分析程序DYNA2D中加入了两种反应速率模型 ,对圆头钢弹撞击PBX 940 4炸药的冲击起爆行为进行了数值模拟研究。
补充资料：轨轨
1.依循轨迹。
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