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1·Study on Truss Element of Finite Element Method and Its Application;

在有限单元方法中，放开了定近似函数的限制。

2·Secondly, the equivalent plane truss element analysis program of plane stress problem is worked out, by which cantilever beam, simple beam and perforated wall are analyzed.

其次，编制了平面应力问题等效铰结平面桁架单元有限元法分析计算机程序。

3·The element is composed of an internal steel truss system and the skin of the element is built with wood which locates the intervention within the chromatic palette and texture of the landscape.

鸟瞰台的设计元素是由一个内部钢桁架系统组成，元素的表皮是用木头建造，而木头的纹理和颜色都与其所处的景观有关。

4·On the base of above research, stochastic finite element method was adopted to attempt to analyse reliability of the piezoelectric truss structure.

在此基础上引入随机有限元法，对该桁架系统进行结构可靠性初探研究。

5·The project's unique structure utilizes an asymmetrical tree-column and truss to support an extended fourth floor, providing a signature element for the project.

项目的独特结构采用一种不对称的树列和桁架支持扩展四楼，为其提供了一个特有的元素。

6·The Web steel truss beam is simulated with three-dimensional beam element, and the equivalent bending rigidity of the beam could be obtained by bending test.

模型中，桁架柱采用三维梁单元模拟，其等效弯曲刚度利用弯曲试验直接获得。

7·Based on this engineering application background, a new element is proposed in domestic studies. The new element is equivalent truss model.

正是基于此工程应用背景，国内的研究提出了一种新的单元—等效桁架模型。

8·Analyze truss antenna framework structure with finite element method and establish sub-model to compute the stress distribution of the speecial part.

应用有限元方法对桁架式天线骨架结构进行分析，在关注区域建立了模型计算准确的应力分布。

9·Based on finite element theory and optimization theory, considering mechanical properties of the structure, the reliability optimization design method of tower truss system is presented.

根据有限元理论及最优化理论，同时考虑结构受力特点，给出了塔架体系在可靠度约束下的最优化设计方法。

10·Instead of tow-dimensional finite element mode, three-dimensional mode in truss structure is established based on the actual structure.

改变以往建立有限元模型时采用的二维建模方法，根据塔机实际结构建立三维空间桁架模型；