On the use of porous inclusions to improve the acoustical response of porous materials: Analytical model and experimental verification

2010 ◽  
Vol 71 (4) ◽  
pp. 283-298 ◽  
Author(s):  
E. Gourdon ◽  
M. Seppi
1996 ◽  
Vol 118 (1) ◽  
pp. 21-27 ◽  
Author(s):  
T. J. Anderson ◽  
A. H. Nayfeh ◽  
B. Balachandran

An experimental and theoretical investigation into the first- and second-mode responses of a parametrically excited slender cantilever beam is presented. Inclusion of quadratic damping in the analytical model significantly improves the agreement between the experimental and theoretical results. In addition, the experimental results verify that the often ignored nonlinear curvature terms play a dominant role in the response of the first mode and that the nonlinear inertia terms play a dominant role in the response of the second mode.


2017 ◽  
Vol 53 (14) ◽  
pp. 906-908 ◽  
Author(s):  
I. Ndip ◽  
M. Huhn ◽  
F. Brandenburger ◽  
C. Ehrhardt ◽  
M. Schneider‐Ramelow ◽  
...  

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