1) Collision surface normal
碰撞面法线
2) collision cross section
碰撞截面
1.
Ions can be distinguished by IMMS which depends on the conformation and sizes of ions whose collision cross sections(Ω) are different when they collide with the buffer gas as they fly through the drift tube.
离子淌度质谱是离子淌度分离与质谱联用的一种新型二维质谱分析技术 ,离子淌度分离原理是基于离子在飘移管中与缓冲气体碰撞时的碰撞截面不同 ,离子可按大小和形状进行分离。
2.
Based on the existing four-level model of laser-induced collisional energy transfer,the collision process in Ba-Sr system in both weak and strong fields is calculated by immediate integration of the equation of motion,and profiles of laser-induced transition probability and collision cross section under both conditions are obtained.
以现有的激光感生碰撞能量转移的四能级理论模型为基础,通过直接积分态振幅的运动方程,对弱场、强场两种情况下Ba-Sr系统的激光感生碰撞能量转移过程进行了数值计算,得到了两种情况下的激光感生碰撞跃迁概率和碰撞截面的谱线线型。
3) frontal impact
正面碰撞
1.
The Simulation Study of Child Restraint Systems in Automobile Frontal Impact;
车辆正面碰撞中儿童乘员约束系统的仿真研究
2.
Guidelines and considerations for frontal impact restraint system modeling and validation were described in detail herein.
详细介绍了MADYMO正面碰撞约束系统的建立和试验验证的流程。
3.
GB11551-2003 frontal impact standard is applied for several years.
GB11551-2003正面碰撞标准实施多年,已暴露出不足:乘员受伤的评价指标少,胸部性能指标过宽,自主品牌乘用车的安全性难于提高。
4) side impact
侧面碰撞
1.
Analysis of the standards against car body structure for the side impact;
轿车车身结构抗侧面碰撞要求的分析
2.
Vehicle side impact sled test method;
车辆侧面碰撞台车试验方法
3.
Research on the Side Rigidity Matching Based on Improving the Vehicle Performance in Side Impact;
基于侧面碰撞安全性的车辆侧面刚度匹配研究
5) frontal crash
正面碰撞
1.
Body Optimal Design for Frontal Crash Safety of HF Lobo;
哈飞路宝正面碰撞安全性车身优化设计
2.
Simulation and analysis of vehicle′s frontal crash with occupants and restriction system by using FE method;
带乘员及约束系统汽车正面碰撞的有限元法仿真研究
3.
Crashworthiness Simulation of Frontal Crash for MPV;
商务车正面碰撞结构耐撞性模拟研究
6) Side crash
侧面碰撞
1.
Finite element modeling of vehicle side crash;
汽车侧面碰撞有限元仿真建模
2.
The side crash between a vehicle and a semi-rigid guardrail is an extremely complex event.
护栏是重要的交通安全设施,车辆与公路护栏的侧面碰撞是一个较为复杂的事件。
3.
Aimed at the problem of car door side crashworthiness,one native car door side crashworthiness was analyzed by finite element method.
针对轿车侧面碰撞安全性问题,通过有限元方法对中国产某轿车车门的侧面碰撞安全性进行了模拟分析。
补充资料:次切线和次法线
次切线和次法线
subtangent and subnormal
次切线和次法线【,奴。嗯翻ta己,由.刃nllal;no八Kaca-,一eJ,,,Ra”H”0八nOPM幼L」 有向线段QT和QN,它们是某一曲线在点M处的切线(tan罗nt line)段MT和法线(norlml)段对N在、轴上的投影(见图). 少l, 口‘吧不‘一一-一-一号-份甲间二 TO柑 如果达一曲线是函数y二‘j(x)的图形,则次切线和次法线的长度分别等于 。二__f(x)。、了_了丫、,、,,,_、 心T“一分书丁,QN=f(x)f’(x), 一f’(x)’乙一其中x是点M的横坐标.如果这一曲线由参数式给出: x=甲(t),夕=沙(t),则 。7’二一竺红纽自兰立。、,_竺立丝三旦 “一少‘(t)’“一少‘(t)其中t是确定曲线上点M的参数值.Bc3一3【补注】 IAI]Berger,M二Geo瑰t仃,2,SP力幻gcr.1989(中译 本二M.贝尔热,儿何,第一一五卷,科学出版社, 1987一1991). 工AZ j Go掀5 Te认eira,F,Tralt己des oourbes,l一3. Chelsea.犯Print,1971. 〔A3 1 Lamb,日二知6mtes,Inalc时e以us,Cambnd罗.U:uv. Press,1924.杜小杨译
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