Assessments of propulsion models for free running surface ship turning circle simulations

Yu, Jilin; Feng, Dan; Liu, Liwei; Yao, Chi; Wang, Xianzhou

doi:10.1016/j.oceaneng.2022.110967

Cited by 7 publications

(1 citation statement)

References 26 publications

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“…Subsequently, the occurrence of parametric rolling in regular head waves could be achieved. Yu et al [16] selected one discretized propeller model (DPM) for simulating the turning circle test at a rudder angle of 35 • under the condition of Fr = 0.26. Three body force models [17][18][19] were also applied and an analysis was made on ship turning circles.…”

Section: Introductionmentioning

confidence: 99%

Computational Study on Influence Factors and Vortical Structures in Static Drift Tests

Yang,

Zeng,

Chu

et al. 2024

JMSE

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This paper conducted a computational study on the KCS benchmark model at static drift conditions. At the first instance, the roles played by the grid size, turbulence model, and time step are qualitatively and quantitatively analyzed with the orthogonal experimental method (OEM). After the verification of simulated results compared with experimental data in a Static Oblique Towing Test (OTT), hydrodynamic performance is obtained with the employment of the SST κ-ω turbulence model. The grid size is set as 0.07 m while the time step as 0.01 s. The characteristics of the wake field are illustrated in different forms, such as contours of the free surface, distribution of pressure and hydrodynamic forces, variation of turbulent kinetic energy (TKE), and so on. For a deep insight into the physical mechanisms of the asymmetrical flow field, the Detached Eddy Simulation (DES) method is also utilized to capture vortical structures occurring around the hull, in comparison with results obtained through the Reynolds Averaged Navier Stokes (RANS) model. With the aim of a hydrodynamic derivative estimation or detailed flow characteristics analysis, corresponding selections of the computational method are disparate.

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