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Publications
Rodrigues, S.R.A., Guedes Soares, C. and Santos, J.A. (2015), “Propagation of waves generated by a pressure disturbance moving in a channel”, Maritime Technology and Engineering, Guedes Soares, C. & Santos T.A. (Eds.), Taylor & Francis Group, London, UK, pp. 965-972
This paper studies the effect of ship speed and water depth on the propagation of waves generated by ships. The ship is represented by a pressure distribution function in the modified model adapted by Nascimento et al. (2008) in order to include a specified moving pressure at the free surface where the most of the phenomena involved in the transformation of the wave are reproduced. The results are obtained for different depths of a channel with a ship sailing along a coastal stretch made of a sloping bottom and a constant depth region. The results show that in the sloping bottom the crests of waves are bent along the slope and in the constant depth the standard Kelvin wave patterns can be found for the subcritical regime. In the critical regime the wave system is characterized by significant diverging waves and for a supercritical regime, the transverse waves have disappeared.
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