【作者】 黎文；

【导师】 李正良；

【作者基本信息】 重庆大学 ， 建筑与土木工程， 2003， 硕士

【摘要】 用通用有限元程序来分析体型复杂、造型奇特的大型复杂结构是比较精确的，然而，一般的通用有限元程序的特点是前后处理比较繁琐，使用起来不方便。这对于用熟了现成的工程结构分析与设计软件(如PK、PM、TAT、TBSA等)的工程设计人员来说，是比较困难的事情。本文就以厦门国际会展中心为例，用大型通用有限元程序对其分析，以此作为计算分析复杂结构的一个范例，期望在计算分析复杂结构方面作出一些有益的探索。 围绕厦门国际会展中心的抗震抗风分析设计，本文主要做了以下工作： 1．国际会展中心的结构概念设计、有限元建模及分析。运用概念设计确定合理的结构体系。分析了厦门国际会展中心的静力特性及其力学性能。 2．对厦门国际会展中心进行了水平地震动力分析，分析了结构的动力特性及其力学性能。 3．对厦门国际会展中心进行地震的弹塑性时程分析验算，得出结构的层间位移角和塑性铰分布情况。 4．根据风洞试验结果得到结构不同部位的风压分布以及结构在风载下的响应，确定对结构安全度的评估，实现风振下结构舒适度的验算。 5．根据结构抗风理论，实现主体框架结构顺风向静动力风荷载分析和舒适度验算以及顶部多功能厅结构顺风向静动力风荷载计算。 同时上述的这些分析，比较全面客观地得出了结构的力学性能，指出了该结构的合理性与可靠性，为实际的结构设计施工提供了理论上的依据与参考。同时本文也在分析与设计大跨度、大悬臂等复杂结构方面得出了有指导价值的成果。更多还原

【Abstract】 It is quite accurate to analyze the large scale complicated spatial structure with special shape by the versatile finite element analysis system. But the general character of the versatile finite element analysis system is rather complex and not convenient to use. This is hard for the engineers who were used to the current software for structure design (PK, PM, TAT, TBSA etc.). In this paper, the "XiaMen International Meeting Center" is being taken as an example to be analyzed by the large scale versatile finite element analysis system. It is hoped that some beneficial experience in analyzing the complicated spatial structure can be obtained through this example.In the structure analysis of "the XiaMen International Meeting Center" , the study in this paper is focused on the following aspects :1. The concept design and the finite element modeling of "the XiaMen International Meeting Center" are carried out. The reasonable scheme is proposed and the performance of statics is analyzed.2. Take a dynamic analysis for "the XiaMen International Meeting Center" structure acted by the horizontal earthquake load, and its dynamic character and mechanic performance is given. By the mode analysis, the contribution of each part of elements to the whole structural rigidity is given in quality.3. The seismic history elastic-plastic analysis is taken. The floor displacement of the structure and the distribution of the plastic ream are found.4. Based on the results of the wind tunnel test, the response of the structure and the wind pressure distribution of different position are gotten. The evaluation of the safety and the comfortable extent under the wind vibration are achieved.5. According to the theory of the wind load, the static and dynamic analysis under the along wind load of the main frame and test of comfortable extend are achieved and the static and dynamic analysis of the top structure are carried outAccording to these foregoing analysis and studies, we have given the mechanic performance of the structure comprehensively and objectively. The rationality and the reliability of the structure are pointed out. Thereby, the basis and suggestion for the structural design and construction are provided. Accordingly some available conclusions are obtained in the aspect of analysis and design of the large span and large cantilever structures.更多还原