以非线性有限元法为基础，提出充气薄膜结构有限元分析的基本方程及解法。

On the basis of non linear finite element method, fundamental equation and solution of pneumatic membrane structure finite element analysis are put forward.

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本文从这一基本认识出发，利用有限元法编制了船舶尾部结构振动计算程序，并以实船为对象进行了尾部结构振动的计算，取得了较好的效果。

Based on this point of view, a computer program to calculate the vibration of ship stern structures by using finite element method (FEM) is developed, and a sample problem is worked in this paper.

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在几何非线性有限元理论的基础上，建立了膜结构和索网结构非线性位移法找形分析的基本方程。

Based on the geometrical nonlinear theory, the equations for form finding of cable nets and membrane structures are established.

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