Research on Ship Dynamics of Large Containerships in Confined Fairways

Uliczka, Klemens; Kondziella, Bernhard

doi:10.3940/rina.bank.2009.09

Cited by 3 publications

(1 citation statement)

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“…An increase in the flow velocity around the ship hull results in a decrease in the pressure and can lead to maritime accidents such as grounding or stranding. Therefore, to ensure safe navigation, it is crucial to accurately predict the hydrodynamic forces acting on the ship hull, taking into account the influence of shallow water [17]. The increase in the flow velocity around the ship hull is primarily caused by the pressure gradient due to a restricted waterway, leading to an increase in the resistance, draft, and trim of the ship [18].…”

Section: Introductionmentioning

confidence: 99%

Numerical Assessment of the Resistance of a Solar Catamaran in Shallow Water

Martić,

Degiuli,

Borčić

et al. 2023

JMSE

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In this paper, a numerical assessment of the effect of shallow water on the total resistance of the solar catamaran SolarCat is carried out using computational fluid dynamics within the software package STAR–CCM+. The unsteady viscous fluid flow was modelled based on the Reynolds-averaged Navier–Stokes (RANS) equations with the application of the k−ω SST (k−ω Shear Stress Transport) turbulence model. The RANS equations were discretized by the finite volume method, and the position of the free surface is determined by the volume of fluid method. In shallow water conditions, a mesh morphing algorithm is applied. Numerical simulations were carried out for the deep water and limited depths corresponding to h/T=7.6, h/T=4, and h/T=2 at two speeds. The verification study was carried out and the total numerical uncertainty was calculated for the total resistance and sinkage of the catamaran. A detailed analysis of the flow around the catamaran was carried out.

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Section: Introductionmentioning

confidence: 99%