Based on the acoustic wave equation and structural motion equation, the vibration characteristics from the fluid loaded stiffened cylindrical double shell are studied by using finite element method.
基于流体的波动方程和结构的动力方程,利用有限元方法研究了考虑流固耦合时的双层加肋圆柱壳体的振动特性。
This paper used centered difference to simulate the fluid movement in order to avoid lots of calculations in two dimension wave equation.
为避免二维波方程中的大量计算,使用二维波动方程的中心差分近似来模拟流体运动。
In the thesis, we firstly derive control equations of oceanic internal wave by basic hypothesis which is based on equation of Geophysical Fluid Mechanics.
本文首先从地球流体力学基本方程出发,通过一些基本假设,推导出海洋内波控制方程。
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