A novel method to predict fluid/structure interaction in IC packaging

Author(s):  
Chih-Chung Hsu ◽  
Tzu-Chang Wang ◽  
Yen-Chi Chen ◽  
Yang-Kai Lin
2012 ◽  
Vol 52 (1) ◽  
pp. 241-252 ◽  
Author(s):  
C.Y. Khor ◽  
M.Z. Abdullah ◽  
H.J. Tony Tan ◽  
W.C. Leong ◽  
D. Ramdan

Author(s):  
Richard M. Howell ◽  
Anthony D. Lucey ◽  
Peter W. Carpenter

A novel method for calculating the linear fluid-structure interaction of a cantilevered flexible plate centrally positioned in ideal channel flow, incorporating the effects of vorticity shed downstream, is described. When the channel walls are moved far apart, predictions of the critical velocity show good correlation with other published work. For the first time, detailed numerical investigation of the effect on this fluid-structure interaction of channel walls, a rigid central surface (upstream and adjacent to the flexible plate), unsteady mean flow and the variation of stiffness and damping properties along the flexible plate have been quantified. Of central importance is the application of the unsteady model to the investigation of the human snoring phenomenon. Further insight into the operation of two types of snore is made and a new type of snore is discovered that originates from the time-dependent effects of inhalation.


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