Reference Type:  Journal Article
Record Number: 1
Author: W. Zhao, Z., H. Chen, Z., D. Wang, X., Xu , H. and B. Liu, H.
Year: 2015
Title: Wind-induced response on large-span structures based on pod-pseudo-excitation method
Journal: Advanced Steel Construction
Volume: 12
Issue: 1
Pages: 16
Start Page: 1
Short Title: Wind-induced response on large-span structures based on pod-pseudo-excitation method
DOI: 10.18057/IJASC.2016.12.1.1
Keywords: POD-pseudo-excitation method, wind vibration coefficient, wind-induced response, harmonic response analysis, conch-shaped single-layer lattice shell
Abstract: This paper proposes a new method to analyze wind-induced response in frequency domain for long-span spatial structures. This method is based on proper orthogonal decomposition (POD) and pseudo-excitation methods, which could significantly reduce computational cost. Based on the POD-pseudo-excitation method and the wind pressure coefficient obtained from a wind tunnel test, ANSYS general purpose software package was developed for the analysis of wind-induced response of YUJIAPU Railway Station Building, which is designed in the form of a conch-shaped single-layer lattice shell. The wind vibration coefficient in wind direction of 0° was obtained. Results obtained by frequency- and time-domain methods were compared. The results were consistent with each other, establishing the foundation for further application of these methods in wind-induced analysis. The relationship between wind-induced response and the frequency of wind load was also determined. This paper provides effective guidance on equivalent wind load.
Author Address: School of Civil Engineering, Tianjin University, Tianjin 300072, China