DYNAMIC ANALYSIS OF CABLE-TRUSS HYBRID STRUCTURES

This paper presents the dynamic analysis of a cable-truss hybrid structure by employing ANSYS, a finite element analysis package. The dynamic response of a typical cable-truss structure located in Zhuhai City is investigated. The importance of dynamic analysis for cable-truss hybrid structure is discussed. Results indicate that the natural frequencies of the structure concentrate in a small range. This is a very important characteristic of the structure. The wind induced vibration coefficient of the structure is determined, which is very helpful for structural design. It is shown that the wind-induced response is very important for the cable-truss hybrid structure. The seismic analysis is also carried out by step-by-step method in the time domain. The results indicate that the structure has good aseismic performance.