Study of manoeuvrability of container ship by static and dynamic simulations using a RANSE-based solver

Shenoi, R. Rajita; Krishnankutty, P.; Selvam, R. Panneer

doi:10.1080/17445302.2014.987439

Cited by 19 publications

(8 citation statements)

References 10 publications

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“…It has to be stressed that average values at different levels KS,ij are used instead of numerical results Sij. Number 1, 2, 3 correspond to finer grid, fine grid and coarse grid in sequence, with corresponding grid numbers of 4.15×10 6 , 1.64×10 6 and 0.66×10 6 . The time step is set as 0.01 s when performing the grid convergence study, using the SST κ-ω turbulence model.…”

Section: Influence Of Computation Settingsmentioning

confidence: 99%

“…With the rapid development of computing power, direct CFD simulation [2] has demonstrated its capability in reproduction of flow characteristics. After decades of development, researchers have realized simulating model tests for manoeuvrability of ship by solving Reynolds-averaged Navier-Stokes (RANS) equations [3], target ships involve KRISO Container Ship (KCS) [4], KVLCC2 [5], S175 [6], DTMB 5415 [7] and so on.…”

Section: Introductionmentioning

confidence: 99%

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Study of Influencing Factors on CFD Method and Separated Flow by the Virtual Static Captive Test

Yang¹,

Zeng²,

Chu³

et al. 2023

IOP Conf. Ser.: Mater. Sci. Eng.

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In this paper, Computational Fluid Dynamic (CFD) methods are adopted to predict the manoeuvring behaviour of the KCS benchmark model. At first instance, the model is calibrated on the basis of three factors namely (a) turbulence model, (b) grid size and (c) time step. Secondly, a Static Oblique Towing Test (OTT) that utilises the SST K-ω turbulence model with a grid number of 1.64 million and a time step of 0.01 s is conducted. The maximum difference of the lateral force between the port and starboard ship sides is observed at x/Lpp = 0.055. Finally, application of Reynold Averaged Navier Stokes (RANS) and Dettached Eddy Simulation (DES) CFD models indicates that the latter may be preferable in terms of capturing the oblique flow field.

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Section: Influence Of Computation Settingsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study of Influencing Factors on CFD Method and Separated Flow by the Virtual Static Captive Test

Yang¹,

Zeng²,

Chu³

et al. 2023

IOP Conf. Ser.: Mater. Sci. Eng.

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“…In ship maneuverability modeling, the four-Degree-of-Freedom (4-DOF) MMG model is broadly embraced for its clear-cut derivatives and efficient computation, particularly emphasizing the impact of ship roll. R. Rajita et al [12] addressed the calculation of linear, nonlinear and roll-coupled hydrodynamic derivatives for a container ship through The first model is the integrated structure model delineated by Abkowitz [3], which examines the hull, propeller and rudder collectively along with the cumulative force exerted. The second model, the Ship Maneuvering Mathematical Model Group (MMG model [4]), introduced by the Japanese Towing Tank Committee (JTTC), conducts separate hydrodynamic calculations for the hull, propeller and rudder, taking into account their interferences.…”

Section: Introductionmentioning

confidence: 99%

“…In ship maneuverability modeling, the four-Degree-of-Freedom (4-DOF) MMG model is broadly embraced for its clear-cut derivatives and efficient computation, particularly emphasizing the impact of ship roll. R. Rajita et al [12] addressed the calculation of linear, nonlinear and roll-coupled hydrodynamic derivatives for a container ship through CFD-based numerical simulations of static and dynamic tests across various roll angles. Li et al [13] executed Oblique Towing Tests (OTT) and dynamic Circular Motion Tests (CMT) to collect essential data for MMG model identification, and they simulated the free-running maneuverability test using a body force propeller approach that obviates the need for detailed flow field construction around the propeller.…”

Section: Introductionmentioning

confidence: 99%

Integrating Computational Fluid Dynamics for Maneuverability Prediction in Dual Full Rotary Propulsion Ships: A 4-DOF Mathematical Model Approach

Yu,

Yang,

Geng

et al. 2024

JMSE

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To predict the maneuverability of a dual full rotary propulsion ship quickly and accurately, the integrated computational fluid dynamics (CFD) and mathematical model approach is performed to simulate the ship turning and zigzag tests, which are then compared and validated against a full-scale trial carried out under actual sea conditions. Initially, the RANS equations are solved, employing the Volume of Fluid (VOF) method to capture the free water surface, while a numerical simulation of the captive model test is conducted using the rigid body motion module. Secondly, hydrodynamic derivatives for the MMG model are obtained from the CFD simulations and empirical formula. Lastly, a four-degree-of-freedom mathematical model group (MMG) maneuvering model is proposed for the dual full rotary propulsion ship, incorporating full-scale simulations of turning and zigzag tests followed by a full-scale trial for comparative validation. The results indicate that the proposed method has a high accuracy in predicting the maneuverability of dual full-rotary propulsion ships, with an average error of less than 10% from the full-scale trial data (and within 5% for the tactical diameters in particular) in spite of the influence of environmental factors such as wind and waves. It provides experience in predicting the maneuverability of a full-scale ship during the ship design stage.

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“…CFD simulation is carried out to model the fluid flow surrounding an integrated structure of hull, propeller and rudder [13]. Layout of the rudder is varied with consideration on how to move from its initial position.…”

Section: Cfd Simulationmentioning

confidence: 99%

Effects of Rudder Position on the Ship Maneuvering

Wardhana

Rochani

Belalawe

2017

IJOCE

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The performance of the rudder on a ship affects the ability of the vessel to maneuver effectively. In the current study evaluation is made on the rudder mounted on a twin screw fast boat with LOA of 59.2 m and Vs of 28 knots. This paper discusses the forces acting on the rudder and the velocity distribution of the fluid flow due to the position of the rudder in 3 variations (X/L = 80%, X/L = 100%, X/L = 120%). The analysis undertaken in this study is based on CFD method. Analysis of the effectiveness of the maneuvers is performed by considering the magnitudes of the drag force and value

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Study of manoeuvrability of container ship by static and dynamic simulations using a RANSE-based solver

Cited by 19 publications

References 10 publications

Study of Influencing Factors on CFD Method and Separated Flow by the Virtual Static Captive Test

Study of Influencing Factors on CFD Method and Separated Flow by the Virtual Static Captive Test

Integrating Computational Fluid Dynamics for Maneuverability Prediction in Dual Full Rotary Propulsion Ships: A 4-DOF Mathematical Model Approach

Effects of Rudder Position on the Ship Maneuvering

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