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J. Fluid Mech. (2007), vol. 587, pp. 7396. c 2007 Cambridge University Press doi:10.1017/S0022112007007112 Printed in the United Kingdom
 

Summary: J. Fluid Mech. (2007), vol. 587, pp. 7396. c 2007 Cambridge University Press
doi:10.1017/S0022112007007112 Printed in the United Kingdom
73
Attenuation of long interfacial waves
over a randomly rough seabed
MOHAMMAD-REZA ALAM1
AND CHIANG C. MEI2
1
Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge,
MA 02139, USA
2
Department of Civil and Environmental Engineering, Massachusetts Institute of Technology,
Cambridge, MA 02139, USA
(Received 8 December 2006 and in revised form 30 April 2007)
The effects of randomly irregular bathymetry on the propagation of interfacial gravity
waves are studied. Modelling sea water by a two-layer fluid of different densities,
weakly nonlinear waves much longer than the sea depth but comparable to the
horizontal scale of bathymetry are treated by Boussinesq approximation and multiple-
scale analysis. For transient wave pulses, the governing equation for the pulse profile
is shown to be an integro-differential equation combining KdV and Burgers terms.

  

Source: Alam, Mohammad-Reza - Department of Mechanical Engineering, Massachusetts Institute of Technology (MIT)

 

Collections: Engineering