WING-INDUCED STOCHASTIC RESPONSE OF CONTROLLED TALL BUILDINGS BY COMPLEX-MODE ANALYSIS

摘要

This paper deals with the along-wind dynamic response of tall buildings passively controlled by Cross-Tensioned Spring Damper (CTSD) mechanisms. In order to estimate the dynamic response more accu- rately and efficiently, the building and its CTSD controllers were considered as a coupled non-classical damp- Ing system and a new stochastic response analysis method, complex-modal state-space method, was proposed Based on the combination of complex modes of the structural system rather than on the real modal decomposi- tion as usual.