Journal
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
Volume 155, Issue -, Pages 11-22Publisher
ELSEVIER
DOI: 10.1016/j.jweia.2016.04.010
Keywords
Bridge deck flutter; Fluid-structure interaction (FSI); Computational fluid dynamics (CFD); Aeroelasticity; Deforming grid
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Funding
- Inha University
- National Research Foundation of Korea (NRF) - Korean Government [2011-0029094]
- National Research Foundation of Korea [2011-0029094] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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An effective time-domain aeroelastic framework for bridge deck flutters is presented based on a modified implicit coupling algorithm with grid deformation techniques. The grid deformation is accomplished by radial basis function interpolation as well as by the rigid movement of the initial grid. In this paper, for computational efficiency, a coupling frequency control technique is adopted for the implicit coupling algorithm. To verify the time-domain aeroelastic framework by using the grid deformation technique, the vortex-induced vibration of the cylinder and H-section bridge deck flutter are computed, and the results are compared with published results. The effect of the coupling frequency with the grid deformation technique is presented for the flutter analysis of the Great Belt East Bridge suspension girder section. (C) 2016 Elsevier Ltd. All rights reserved.
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