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。
2
Two calculational methods for nonlinear analysis are adopted, that is, the improved Euler method and the Newton iteration method.
实现了两种求解非线性问题的数值计算方法：改进欧拉法和增量牛顿迭代法。
3
The evaluation methods and step of the loading for the FMAV are set up so that these Euler angles can be specified to provide wing motions that generate the lift and propulsion for the vehicle.