索桁架点支式玻璃幕墙结构动力特性研究

摘要

Curtain wall don’t carry loads from the main structure,but its structural properties and safety are very important to the main structure.Combined with the basic information of practical engineering structure,the finite ele-ment model of glass curtain wall is built in ANSYS,the theory of finite element analysis of cable-truss structure is presented,modal analysis is conducted to study the vibration characteristics of the structure,and the first 6 frequencies and modes of vibration are obtained and described.%建筑幕墙不承受结构主体荷载，但其自身的结构特性和安全对整体结构的安全性能至关重要。通过结合实际工程中的结构基本信息，对索桁架支撑体系玻璃幕墙在 ANSYS中进行了有限元建模，介绍了索桁架结构的有限元分析理论，通过模态分析对结构的自振特性进行了研究，计算出了结构的前6阶频率，画出了结构的前6阶振型，并对结构的振型特点进行了描述。