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。
Generally, there are two methods in water current analysis and calculation, one is the Euler method, and the other is the Lagrange method.
综合运用牛顿—欧拉方法、拉格朗日法对运动平台受力情况进行了详细分析。
Detailed analysis of forces received by motion platform is done by using Newton-Euler and Lagrange methods synthetically.
该方法避免了拉格朗日格式因网格畸变产生的数值困难，也克服了欧拉格式材料界面跟踪问题以及因非线性对流扩散项而引起的数值困难。
The MPM eliminates difficulty with mesh distortion as in the Lagrangian method, and with interface tracking and nonlinear convection term as in Eulerian scheme.
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