碰撞点

箔材爆炸焊接的碰撞点速度门限值研究

Prescribed minimum of impact point velocity in multilayer explosive welding of foils

从光线的原点到碰撞点的距离。

The distance from the ray 's origin to the impact point .

多体系统碰撞点自动搜索方法

An automatic searching method for collision points of multibody systems

这个振荡的电场会把粒子加速推向碰撞点。

This oscillating field would accelerate the particles toward the collision point .

船舶碰撞点分析模式在海事调查中的作用

The Function of the Analysis Model of Collision Point in Maritime Investigation

一个计算凸多面体间碰撞点的快速算法

A Fast Algorithm to Calculate Collision Point Between Convex Polygons

除非目标开始移动，否则导弹会直线地飞行接近碰撞点。

Unless the target starts manoeuvring , the missile tends to fly straight near interception .

分析了活塞杆与铲头碰撞点的选择方法和氮气室的初始压力和初始容积的确定方法。

Analyse choice method of collision point of cylinder and shovel head and confirm initial pressure and volume of nitrogen chamber .

在细长梁旋转实验中，转速愈高，扭转振动愈强烈，细长梁的运动轨迹范围逐渐扩大，接触碰撞点也在逐渐的增多。

In the rotation experiments of slender beam , the higher speed , the more torsional vibration intense , motion trace scope of slender beam gradually expanded , collision point also increase gradually .

计算碰撞点处的瞬时应力场，同时对不同的碰撞角和碰撞压力进行了模拟计算，发现了碰撞点处的应力场分布的基本规律。

Instantaneous stress field at impact points was calculated , and analog calculating of different collision angles and impact pressures were carried out . Basic law of stress field distribution at impact points was found .

对每一个碰撞点集的点，计算其梯度向量并单位化，然后乘以该点的隐函数值得到点的深度向量。

For the vertices involved in the set of the collision , compute gradient vector of every vertex and then normalized them . Then multiply the results derived from the previous process with the value of implicit function .

此文阐述了船舶动态信息中碰撞点的分析方法和确定原理，论述了船舶碰撞点与避碰决策的关系及其在避让行动中的作用，并确定了相应的量化值。

This article introduces the analysis approach and the principle assuring on point of anti-collision in dynamic information . It alse states the relationship between avoidance collision point of vessel the decision taken to avoid the collision and its function in the action taken .

根据真实零件结构和外形特点，构造出虚实零件碰撞点和区域，为其定义三维坐标，从而进行碰撞检测试验，并根据碰撞效果分析壳体检测法的可行性。

According to the structural and shape characteristics of the real parts , virtually constructed the collision points and regions of V-R parts , which were given the definition of three-dimensional coordinates , then carried out the collision detection test for the results . 3 .

它不仅反映了事故前后车辆的运动轨迹、轮胎状态、碰撞点的位置和制动措施，而且还可以根据印迹长度和形态分析车辆碰撞分离时刻的速度。

It not only reflects the vehicles movement path , tire condition , the position of colliding point and the braking measure in the accident back and forth , but also it may analyze the speed during the car colliding and separating time according to the trace length and shape .

⑶利用数值仿真法分析了舷侧结构碰撞危险点问题。

⑶ The problem of dangerous points of side structure collision is analyzed by numerical simulation .

文中对碰撞接触点的局部变形采用等效弹簧模拟，形成了接触的非线性本构关系，与动力方程组形成了封闭的方程组。

The equally effective elastic analogy was used for the local deform of the multiple impact points , thus forming the contact non linear elementary association closed equations with the dynamic equations .

舷侧结构的碰撞危险点主要有三类：纵桁与横框架的交叉点，纵桁或横框架的跨距中点，舷侧板格中心点。

There are three kinds of dangerous points , which is the intersection point of girder and transverse frame , the mid-span point of girder or transverse frame and the center of plate lattice .

本文通过对经济全球化和经济一体化的性质、地位、作用以及发展前景的分析与比较，指出两者既存在相互联系、相互交融的一面；也存在互相区别、互相碰撞的许多点。

This paper analyzes and compares the characteristics , statuses , functions and the future of economic globalization and integration , then points out the interrelation and difference between them .

解决已有建筑物地震时碰撞问题的几点讨论

Some Discussion on Problems of Seismic Pounding Effects of Existing Buildings

在世界空间中，射线碰到碰撞器的碰撞点。

The impact point in world space where the ray hit the collider .

其次，研究了球体与球体间的最初碰撞时刻和碰撞点算法。

Secondly , we study the algorithm of the initial collision moment and collision point between balls .

涡动和碰撞引起的中性点及中性支以上的振动，在向上传播过程中被钻井液阻尼抑制；

Vibration above neutral point of stem caused by eddy movement and collision and inhibited by drilling fluid damp during transmitting upward .

介绍了一种针对用三角形网面表示的不规则物体的碰撞检测中接触点，接触法线和刺穿深度的计算方法。

This paper introduces a method for calculating the contact point , contact normal and penetration depth in collision detection of irregular objects expressed by triangle mesh .

本文单独研究了球体与球体间的最初碰撞时刻和碰撞点算法，加快碰撞响应的速度。

In this paper , we study the algorithms for the initial collision moment and collision points between balls only and study on increasing the speed of collision response .

对二维面碰撞简化为一般的点碰撞和点碰撞方程的混合求解法进行了推导。

Two dimensional surface impact can be simplified into general point impact and mixed solution method of point impact equation are produced in this paper .

实验中，用斜电阻丝方法测量动态焊接参数：碰撞速度Vp、碰撞点速度Vc、碰撞角β；

In the experiments , the dynamic welding parameters , such as the impact velocity V_p , the collision point velocity V_c , and the dynamic angle of collision β, are measured with slanting wire method ;

该算法首先用空间剖分法找出潜在的相交区域，然后用包围盒求得碰撞的三角面片对和精确的碰撞点。

The algorithm firstly usd space decomposition method to identify potential regional intersection and then used bounding volume boxes to locate the intersection triangles and the exact points .

除此之外，本算法不仅能够找出发生碰撞的基本几何元素对，而且还能够精确地找出碰撞点。

Besides , it can find not only the colliding elementary geometry element pairs but also the precise colliding points .

研究表明：在本文的模拟条件下，（1）大陆碰撞初期产生的构造应力场中的平均压力在碰撞点附近增大了约5～9倍。

The results show that : On the condition of this paper , ( 1 ) The initial collision between two continents would cause the tectonic average stress near the collisional point to increase by 5-9 times as compared with regional stress field .

然后在此基础上，开发了汽车碰撞事故模拟再现软件系统，实现了现场图的输入和碰撞点坐标的自动计算，并可以显示事故发生的全过程。

This system is able to input the traffic accident scene information and simulate the traffic accident whole process .