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Investigation on Resistance, Squat and Ship-Generated Waves of Inland Convoy Passing Bridge Piers in a Confined Waterway

Abstract : The average and unsteady hydrodynamics of an inland convoy passing bridge piers in a confined waterway were investigated using both numerical and experimental approaches. The numerical simulations are realized by solving the RANS (Reynolds-averaged Navier–Stokes) equations accounting for the solid body motion using the sliding mesh technique, while the experiments were carried out in the towing tank. The advancing resistance, trim, sinkage and ship-generated waves were analyzed as functions of the water depth, distance between bridge piers, draught and velocity. The existence of the piers is found to only influence the transient hydrodynamics of the convoy, but not the averaged properties. The ship-generated waves, especially the wave profiles at a specific lateral position, were characterized. Two wave crests exist at the pier position because of the additional reflections, creating a very complex wave pattern in the confined waterway.
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https://hal.utc.fr/hal-03389287
Contributor : Abdellatif Ouahsine Connect in order to contact the contributor
Submitted on : Wednesday, October 20, 2021 - 11:24:06 PM
Last modification on : Wednesday, December 1, 2021 - 3:32:12 PM

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Peng Du, Abdellatif Ouahsine, Philippe Sergent, Yannick Hoarau, Haibao Hu. Investigation on Resistance, Squat and Ship-Generated Waves of Inland Convoy Passing Bridge Piers in a Confined Waterway. Journal of Marine Science and Engineering, MDPI, 2021, 9 (10), pp.1125. ⟨10.3390/jmse9101125⟩. ⟨hal-03389287⟩

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