Abstract
As part of a research program focusing on shallow-water manoeuvring of inland ships, a set of model tests is simulated using CFD. The aim of this study is to investigate the capability of CFD software to predict manoeuvring forces and moments in shallow-water conditions using standardised procedures. The test matrix features small drift angles at different speeds and water depths with under-keel clearances between 20 and 100%. The computed hydrodynamic loads on the hull as well as the squat of the ship are compared with experimental results.
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Abbreviations
- B :
-
Ship breadth (m)
- \(C_b\) :
-
Block coefficient (–)
- \(F_n\) :
-
Froude number (–)
- \(F_{n_h}\) :
-
Depth Froude number (–)
- h :
-
Water depth (m)
- \(L_{pp}\) :
-
Length between perpendiculars (m)
- N :
-
Yaw moment (Nm)
- Re :
-
Reynolds number (–)
- S :
-
Blockage factor (–)
- T :
-
Ship draught (at rest) (m)
- V :
-
Sailing speed (m s\(^{-1}\))
- \(V_{c_r}\) :
-
Critical channel speed (m s\(^{-1}\))
- X :
-
Surge force (N)
- Y :
-
Sway force (N)
- \(\beta \) :
-
Drift angle (deg)
- \(\Delta \) :
-
Ship volumetric displacement (m\(^3\))
- \(\rho \) :
-
Water density (kg m\({}^{-3}\))
- \(\theta \) :
-
Pitch angle (deg)
- CFD:
-
Computational fluid dynamics
- RANS:
-
Reynolds-averaged Navier–Stokes
- RBF:
-
Radial basis function
- UKC:
-
Under-keel clearance
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Oud, G., Bedos, A. CFD investigation of the effect of water depth on manoeuvring forces on inland ships. J. Ocean Eng. Mar. Energy 8, 489–497 (2022). https://doi.org/10.1007/s40722-022-00253-y
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DOI: https://doi.org/10.1007/s40722-022-00253-y