1) Lagrangian moving coordinate
拉格朗日动坐标
2) Lagrangian coordinate
拉格朗日坐标
1.
The new method is based on the following assumptions: Eulerian coordinate is used in the longitudinal direction of the strip,whereas Lagrangian coordinates are employed in the width and thickness directions;Time is taken as an independent variable.
其主要内容包括:在轧制件纵向上用欧拉坐标,厚度和宽度方向上用拉格朗日坐标,时间变量是独立的,计算轧制件厚度和宽度方向上的实际位移时采用的流线形积分改用沿纵向的欧拉坐标一元积分。
2.
In this paper the shallow water equations in the Lagrangian coordinates were derived and the numerical solutions were found out for shallow water problem with moving boundary by using a 2 order Godunov scheme.
移动边界问题是水力计算中难点之一 ,本文用拉格朗日坐标系来描述浅水方程 ,并用二阶Godunov算法求解有移动边界的浅水问题的数值解。
3) Largrangian coordinate
拉格朗日坐标系
4) quasi-coordinate Lagrange method
拟坐标拉格朗日法
5) arbitrary Lagrangian Eulerian and body-fitted coordinate
任意拉格朗日欧拉坐标法
6) Lagrangian dynamics
拉格朗日动力学
1.
In order to decrease system dimension and improve tracking precision,new kinematic energy,po- tential energy,dissipation energy are defined and a new dynamic contour-tracking model is then derived u- sing B-spline shape space theory according to Lagrangian dynamics.
为了降低跟踪系统状态维数、提高跟踪精度,从拉格朗日动力学原理出发,利用 B 样条形状空间理论,定义了新的动能、势能和衰减能量,推导了新的动态轮廓线跟踪动力学方程,并应用运动估计中的块匹配技术来寻找相邻帧中的对应点。
补充资料：格日
1.顶着太阳。
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