A new approach of dispersion with force density method in form-finding of cable and membrane structures are presented in this paper.
本文将一种离散方法运用于索膜结构的力密度找形分析，取得了很好的效果。
Cable structures with hyperbolic paraboloid shape are analysed in detail for the form finding and structural loading calculation as well as fire reaction at high temperature by FEA method.
对双曲抛物面索网结构利用非线性有限元方法对找形、常温下结构受载计算及其火灾反应的过程等进行详细的分析研究。
Force density method is frequently used for form finding of tensioned membrane structure.
力密度法是张拉膜结构找形分析中最常用的方法之一。
It is well known that a proper form finding method leads to a concise and efficient structure analysis process, respecting to the designer's ideas.
恰当的找形方法能使得结构分析简洁而有效，获得建筑工程师和结构工程师双方的满意。
Based on the nonlinear finite element method, the two-time method for form finding considering gravity is proposed and the related computing program is designed.
其次提出了以有限元法为核心的考虑索膜重力作用的二次找形法，编制了相应的程序。
The principle of the inverse iteration method is stated and the method is applied to one kind of form-finding process.
阐述了逆迭代法的基本过程与原理，并将其运用于预应力索结构的一类形状确定问题。
The results from experiment verify the veracity of the inverse iteration and weighted form finding method.
试验结果验证了逆迭代加权找形法分析的准确性。
The way of form finding of air-supported membrane structures form is analysed using nonlinear finite element method with the corresponding computer program compiled.
采用非线性有限元方法对气承式膜结构进行初始形态分析，编制了相应的程序。
This method can be used in form-finding and construction control on main cables of suspension bridge and other long-span cable structures.
该方法不仅可以应用于悬索桥主缆的找形，同样也适用于其它大跨缆索结构的找形和施工控制。
During form-finding of catenoid, when the viscosity coefficient was not more than0.7, the dynamic relaxation method taking damp into account had good convergence and the nodes distributed more even.
对悬链面找形时发现，当黏性系数不大于0.7时，动力松弛法收敛，网格节点分布较无阻尼时均匀。
The problem concerning form finding of the beam(truss)string structures is studied and the method named offloading by steps is put forward in accordance with the mechanical behavior of the structures.
对张弦梁（桁架）结构的找形问题进行了深入研究，根据该类结构的受力特点，提出了分级卸载法，并应用于该类结构两端张拉施工过程的找形分析。
The problem concerning form finding of the beam(truss)string structures is studied and the method named offloading by steps is put forward in accordance with the mechanical behavior of the structures.
对张弦梁（桁架）结构的找形问题进行了深入研究，根据该类结构的受力特点，提出了分级卸载法，并应用于该类结构两端张拉施工过程的找形分析。
应用推荐