When a structure vibrates in water, large amount of computation will be unavoidable if the fluid finite element method is used to calculate the added water mass matrix and damping matrix.
当结构在静水中振动时，如采用流体有限元来计算流体的附加质量和附加阻尼，势必导致解题规模过大。
For the Non-Newtonian fluid, Finite Element Method (FEM) is used to have an accurate description of the fluid flow details and this result can be used for further reduced-order modeling.
然后针对一类复杂的非牛顿流体，采用有限元方法对其建模分析，得到的结果可以为进一步的简化解析建模提供参考。
According to the basic motion equations of the earth's fluid core, the convection of the fluid core has been simulated by use of Finite Element Method (FEM).
根据地球液核基本运动方程，采用有限元方法对液核流体的对流状态进行了数值模拟。
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