Generally, there are two methods in water current analysis and calculation, one is the Euler method, and the other is the Lagrange method.
在水流分析计算中，通常采用二种方法：一种是欧拉法；一种是拉格朗日法。
The ALE(Arbitrary Lagrange Euler) kinematic description is introduced into the finite element fractional step method.
采用ALE （任意的拉格朗日欧拉）运动学描述跟踪自由液面；
This method combines the features of Lagrange method, Newton - Euler method and screw theory, and is easy to solve.
此方法融合了拉格朗日，牛顿—欧拉法以及旋量的特点，易于求解。
Using the Euler-Lagrange method, the track of centre of the oil slick and the temporal dispersion scope visualized.
通过欧拉-拉格朗日法，将油膜中心的轨迹和各个时刻的油膜分布情况可视化。
The united Euler-Lagrange method is chosen to construct the equations for a slightly bending cylindrical shell with orifices. As an example, the deformation and the distribution of internal forces of…
通过具体算例求解，给出了流场速度与压力的变化、圆柱壳的变形及内力分布，并对相关参数进行了讨论。
The united Euler-Lagrange method is chosen to construct the equations for a slightly bending cylindrical shell with orifices. As an example, the deformation and the distribution of internal forces of…
通过具体算例求解，给出了流场速度与压力的变化、圆柱壳的变形及内力分布，并对相关参数进行了讨论。
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