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Yun, Chung Bang
Structural Dynamics Lab
Research Interests
  • Structural dynamics

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Finite element model updating of Canton Tower using regularization technique

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Title
Finite element model updating of Canton Tower using regularization technique
Author
Yun, Chung BangChung, Truong ThanhCho, SoojinSohn, Hoon
Keywords
Canton Tower; Finite element model updating; Modal identification; Regularization
Issue Date
201210
Publisher
TECHNO-PRESS
Citation
SMART STRUCTURES AND SYSTEMS, v.10, no.4-5, pp.459 - 470
Abstract
This paper summarizes a study for the modal analysis and model updating conducted using the monitoring data obtained from the Canton Tower of 610 m tall, which was established as an international benchmark problem by the Hong Kong Polytechnic University. Modal properties of the tower were successfully identified using frequency domain decomposition and stochastic subspace identification methods. Finite element model updating using the measurement data was further performed to reduce the modal property differences between the measurements and those of the finite element model. Over-fitting during the model updating was avoided by using an optimization scheme with a regularization term.
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ISSN
1738-1584
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