Seismic Response of Asymmetric Rectangular Liquid-Containing Structures
Publication: Journal of Engineering Mechanics
Volume 138, Issue 10
Abstract
A new formulation to investigate the seismic response of symmetric and asymmetric rectangular liquid-containing structures is developed and validated in this paper. The proposed method is based on a substructuring approach, where the flexible liquid-containing structure is modeled using finite elements, while the impulsive effects of the fluid domain are modeled analytically through interaction forces at the fluid-structure interfaces. The technique takes account of geometrical or material asymmetry of the liquid-containing structure, fluid compressibility, and energy dissipation through reservoir-bottom absorption. The formulation is presented in such a way that it can be easily coded into a practical and computationally efficient program and is applied to illustrative examples highlighting the effects of geometrical and material asymmetry on the dynamic responses of liquid-containing structures. The obtained frequency- and time-domain results are successfully validated against advanced finite-element analyses.
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Acknowledgments
The authors would like to acknowledge the financial support of the Natural Sciences and Engineering Research Council of Canada (NSERC) and the Quebec Fund for Research on Nature and Technology (FQRNT).
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 138 • Issue 10 • October 2012
Pages: 1288 - 1297
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Oct 31, 2011
Accepted: Feb 22, 2012
Published online: Sep 14, 2012
Published in print: Oct 1, 2012
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