当人类教家挖挖除夜天并找迪苹块三角形的燧石的时间，他们给出结论嗣魅阿谁工具必定是经过某人设念雍么做为箭体的末了箭徒暴的。
When anthropologists dig in the earth and find a triangular piece of sharp flint, they conclude that it must have been designed by someone to be the tip of an arrow.
找形分析过程中的平面网格划分时，就要思考到膜资料的幅宽。
The form finding analysis of planar mesh in the process, it is necessary to think about to film data width.
研究表明在膜结构的找形阶段应适当地加大结构的初始预张力，以减小由于支座变形所造成的预应力损失。
It is found that the prestress should be increased to reduce the loss of prestress with the deformation of the support.
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。
A new approach of dispersion with force density method in form-finding of cable and membrane structures are presented in this paper.
因为膜构造内的张拉力呈较为复杂的空间散布，因此，所施加张拉力大小通常需求经过计算机找形来断定。
Because the tensile force in the membrane structure is more complex spatial distribution, therefore, the size of the tensile force is usually required to be determined by the computer.
索网的找形分析、静力分析和动力分析构成了索网结构分析的主要部分。
Form finding, static analysis and dynamic analysis constitute the main parts of the cable net structure analysis.
力密度法是张拉膜结构找形分析中最常用的方法之一。
Force density method is frequently used for form finding of tensioned membrane structure.
来吧，让我们找一个八角形出来。
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。
This method can be used in form-finding and construction control on main cables of suspension bridge and other long-span cable structures.
索网结构找形分析完成以后就可以继续进行其静力分析和动力分析。
The static analysis and dynamic analysis of the cable net structure can be carried out after the form finding of the structure.
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。
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.
试验结果验证了逆迭代加权找形法分析的准确性。
The results from experiment verify the veracity of the inverse iteration and weighted form finding method.
膜结构的设计过程与传统建筑结构不同之处主要是找形分析和剪裁分析。
The main differences between the design of membrane structure and traditional building structure are the form finding analysis and the cutting pattern analysis.
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.
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。
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.
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。
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.
因此张拉整体膜结构的协同找形分析是必要的，更能真实的反映索杆结构和薄膜结构之间的相互作用。
So the cooperative form-finding analysis of the Tensile membrane Structure is necessary, and it can relatively truly response the mutual function of the cable-pole and membrane.
算例分析表明本文提出的找形方法是正确有效的，相对而言，改进的动力松弛法在计算精度和稳定性方面要优于ANSYS找形方法。
Example results show that the methods presented in this paper is accurate and effective. The improved dynamic relaxation method is better than that using ANSYS at accuracy and stability.
索膜结构的设计过程可以分为三个阶段。第一阶段是找形设计阶段。
The whole procedure of cable-reinforced membrane structures design is composed of three parts The first one is form-finding analysis.
将自选参数动力松弛法在工程实例中建模运用，并与非线性有限元找形方法的结果比较。
Establishing a practical construction model by using the automatic choice parameter dynamic relaxation, Then comparing the result with the result by using nonlinear finite element.
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。
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.
我在找一颗六角形头的螺栓。
并结合风洞试验结果，对三种找形方案，即不采用稳定索、采用交叉稳定索、采用斜稳定索的结构形式在不同工况下的受力性能进行了比较分析。
Three types of form-finding are offered. Meanwhile, combined with the data of wind-tunnel test, the working behaviors under different wind loads are compared and analyzed.
前者涉及到松弛态索杆体系的找形分析，后者可简化为平面连杆机构的运动形态分析。
The shape-finding analysis of slack cable-bar assemblies is involved in the former topic, and the motion tracing analysis of planar pin-bar mechanisms can describe the latter topic well.
索膜结构是一种全新的建筑结构形式，其设计理论主要包括找形分析、荷载分析和裁剪分析三方面。
The theory of its design mainly includes three aspects: shape-finding analysis, load analysis and patterning analysis.
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。
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.
应用推荐