Based on resolution of interval Numbers and fuzzy resolution theorem, we develop a method of solving the structural fuzzy finite element equilibrium equations.
利用区间数的分解和模糊分解定理，研究了一种结构模糊有限元平衡方程的求解方法。
The method transfers the structural vibration differential equations into algebraic equations and the empirical formulae about fluid force coefficients is put forward.
该方法把结构振动的微分方程转化为振幅与频率的代数方程，并给出了流体力系数的经验公式。
Next, dynamic simulated potential energy principle for structural experiments is established by applying weighted residual method to the dynamic similarly non-coupled equations.
应用加权余量法于动力相似非耦联方程，建立了结构实验的动力模拟势能原理。
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