桁架结构

基于ANSYS分析桁架结构的图形界面技术研究

Graphic interface study on analysis of truss structure based on ANSYS

本文研究了渐进优化方法（EvolutionaryStructureOptimization）在桁架结构和连续体结构优化中的应用；

In this dissertation , the Evolutionary Structure Optimization method is studied for both truss structure optimization and continuum structure optimization .

对同一桁架结构，利用RBF神经网络技术对结构损伤程度进行识别。

To the same truss structure , Identify the degree of structural damage by RBF neural networks method .

文章最后对基于CAD与CAE技术的建筑桁架结构设计进行了总结和展望。

In the end , this paper make summarized and prospect for the architectural design of based on CAD and CAE technology .

第三章研究了基于可靠度的结构优化设计方法，包括基于可靠度的桁架结构拓扑优化和基于ANSYS二次开发的可靠度优化方法。

In chapters , reliability-based structure optimization design is investigated , including reliability-based truss structural topology optimization and two reliability optimization methods based on second development of ANSYS software .

桁架结构优化设计专家系统中的知识通过事实和规则来表示，用CLIPS推理机实现正向推理。

The knowledge of the expert system is expressed by facts and production rules , and the inference mode is forward by using CLIPS .

介绍了空间三维桁架结构受力分析的有限元方法，运用matlab强大的数学计算功能，解决刚度矩阵的组集和约束条件的处理等问题，编制了通用的求解程序。

The finite element method of 3D space truss force analysis is introduced . The program settles the problems how to assemble the stiffness matrix and how to disposal the constrain based on matlab language .

针对航天自适应桁架结构的特点，运用PZT压电作动器进行了振动抑制实验并取得了良好的效果。

In pertinence to the characters of aerospace adaptive truss structure , PZT piezoelectric actuator is applied in vibration suppression test and favorable results are obtained .

利用ANSYS进行桁架结构有限元模型的建立，选定四组杆件，在每一组中随机指定一根，通过降低其弹性模量来模拟早期损伤；

Finite element model of truss in ANSYS is built , quadruplet bars are selected , in every group one bar is designated randomly and early damage is simulated through receding its elasticity ;

针对空间桁架结构的非线性动态特性，本文采用了修正的Elman递归网络进行了模型辨识。

Considering the nonlinear dynamic characteristic of space truss structure , the improved Elman recurrent network is used to model the system .

针对桁架结构系统，采用随机有限元法（SFEM）计算结构系统的响应量；

The static response of truss structural system is analyzed by using the Stochastic Finite Element Method .

首先应用ANSYS对钢桁架结构的单个或多个损伤同时出现的情况进行了数值模拟，然后用一个钢桁架模型对ANSYS的计算结构进行实验验证。

At first , ANSYS simulate the condition of the single or multi damage in a steel truss and use this method to test these damage were used , then a test to validate the results from ANSYS was done .

使用PNET方法计算了结构的失效概率。最后举例说明了桁架结构随机可靠性分析的全过程。

Finally trusswork reliability was calculated by PNET method . The process of trusswork reliability is opened out by the last examples .

基于结构系统可靠性分析的高精度公式和PNET法，导出了桁架结构系统可靠度的敏度分析表达式。

Based on the high accuracy formula and PNET method , the expressions of sensitivity analysis for truss structural system reliability are derived in this paper .

基于BP-PSO算法的钢桁架结构损伤识别研究

Research on Damage Identification of Truss Structure Based on BP-PSO

目前，钢桁架结构测试技术主要有：电阻应变片传感器、光纤传感器、振弦传感器、局部应力解除法、MAE磁声法、磁弹法等。

At present , the cardinal measuring and testing technique of steel truss can be listed as follows : resistance strain-gauge transducer , optical fibre sensor , vibrating string sensor , partial stress releasing method , MAE magnetic-acoustic farad and magneto-elasticity means .

本文主要研究内容是设计一架12m宽4折叠施药机械桁架结构，采用现代的设计手段来提高和确保产品设计质量及最终性能。

The main content of paper is : designed a plane 12m wide 4 fold the spraying machinery truss structures , adopting the modern design means to improve and ensure the quality of product design and final performance .

结构动力学领域的模态局部化现象最早由Hodges发现，主要发生在周期结构中，例如螺旋桨之类的循环对称结构、连续梁以及通信天线等大型空间桁架结构。

Hodges firstly discovered the phenomenon of mode localization in structural dynamics . This phenomenon mainly takes place in periodic structures such as cyclic symmetrical structures , continuous beams and large space structures .

为了了解木桁架结构的承载能力，对四榀跨度6m的轻型木桁架进行了静力加载试验，通过试验了解了该种木桁架的荷载-变形关系以及可能的破坏形式。

For the purpose of understanding the bearing capacity of light wood truss , the load carrying tests for four light wood trusses with 6 meters span were carried out so as to know the load - deformation relationship and probable failure modes of wood truss .

机场主航站楼屋面采用双曲面空间管桁架结构以及人字型柱支承体系，管桁架截面为倒三角形，连续跨度220m。

The main building consists mainly of space pipe trusses as the roof structure with a continuous span length of 220m and the 3 pipe shuttle shaped steel latticed columns as support members of the roof structure with a maximum height of 35m .

具有多随机变量的超静定桁架结构系统的可靠性分析

Reliability analysis of Indeterminate-static truss structural system with several random variables

随机参数桁架结构的有限元与可靠性分析

Analysis of the finite element and reliability for stochastic truss structures

北戴河站无柱雨棚钢管桁架结构的整体稳定分析

Overall stability analysis on the roof truss of beidaihe railway station

区间随机桁架结构动力特性分析方法研究

A method of dynamic characteristic analysis for interval stochastic truss structures

空间交错桁架结构是钢结构中最近出现的一种新型结构体系。

The space cross-truss is a new kind of steel structure .

体内预应力大悬挑钢管桁架结构设计研究

Design and research on large span internal prestressed cantilevered pipe trusses

群搜索优化算法在桁架结构优化中的应用

Application of Group Search Optimizer Algorithm in Optimization of Truss Structure

武汉某体育馆大跨度圆钢管拱桁架结构稳定性分析

Stability Analysis of Long-span Arch Truss Structure with Circular Steel Tube

空间可展开桁架结构展开过程分析的理论与方法

Theory and approach of deployment analysis for deployable space truss structures

大跨度方钢管空间桁架结构的稳定性分析

Stability analysis of long-span spatial truss structure with square steel tube