Considering geometric nonlinear effect and using nonlinear spring-damper impact model,dynamic equations for flexible multi-body system with multiple-point contact-impact were established based on virtual work approach,and then an experiment for multiple-point contact-impact was designed and carried out.
研究柔性多体系统多点接触碰撞建模理论和实验方法。
I have a lump on my head where I hit it against the door.
我撞在门上，头上肿起了一块。
I have fallen, and the head touched breaks on the door.
我跌倒了，头撞在门上碰破了。
The car knocked against the garage door and damaged it.
汽车撞在车房门上, 把门撞坏了。
Tom went into a woman when he ran out of the school gate
汤姆跑出校门时撞在一位妇女身上。
The child hit his head on the door-post
那个孩子的头撞在门柱上。
I charged into a doorpost and hurt my arm
我奔跑着一下撞在门柱上，碰伤了手臂。
I cracked my head on the low door-frame.
我的头撞在低矮的门框上了.
He bumped his head on a door at Amsterdam airport!
他在阿姆斯特丹机场，头撞到了门上。
A rubber-tipped projection attached to a wall to protect it from the impact of an opening door.
防撞门器固定在墙上防止门撞墙的带胶头的突出物
He ran his head against the glass door in a dark corridor.
在黑暗的走廊上,他一头撞在玻璃门上了。
I got this hump on my head by walking into a glass door that I hadn't seen.
我撞在一张没有看见的玻璃门上，头上起了个包。
The gun scutters over the tiles and lands against the molding of the hallway with a thump(Scott Turow)
那支枪跌跌撞撞地在屋瓦上移动，然后重重地撞在门厅走廊的线脚上(斯科特 图罗)
He slumped with his shoulder on the door handle, the door opened and he fell out of the car in a backward somersault to land on his face in the mud.
他肩膀撞在门把上，把车门撞开；接着一个倒栽葱翻到车外，脸朝下摔在泥地上。
I ran up against a glass door and hurt my head.
我撞到一扇玻璃门上，把头撞伤了。
The door hit me in the face and I saw stars for a moment.
我的脸撞到门上，撞得我眼冒金星。
The car door was crushed in the crash.
车门在事故中被撞坏了。
the unaccommodating bus driver pulled out while she was banging on the door.
那个冷漠的公共汽车司机突然发动了车，她就重重地撞在了门上。
Walking to the door that led to her room, she almost collided with Ming-feng who came running in.
她正要揭门帘，却遇着鸣凤从里面跑出来，几乎把她撞倒在地上。
