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IJME 419

Paper Title: Model- and Full-Scale RANS Simulations for a Drift Tanker



J Yao, Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education, Wuhan, P. R. China


The flow around a full-scale (FS) ship can be simulated by means of Reynolds-Averaged Naiver-Stokes (RANS) method, which provides a way to obtain more knowledge about scale effects on ship hydrodynamics. In this work, the viscous flow around a static drift tanker in full scale is simulated by using the RANS solver based on the open source platform OpenFOAM. The 𝑘 − 𝜔 SST model is employed to approximate the eddy viscosity. To reduce computational time, wall function approach is applied for the FS simulation. The flow around the ship in model scale is simulated as well, but without using any wall function, i.e., using Low-Reynolds number mode. In order to verify the computations, detailed studies on the computational grid including investigation of the sensitivity of computed forces to 𝑦+ (dimensionless distance of first grid point to wall) and grid dependency study are carried out. The computed forces are compared with available measured data. The scale effects are analysed and discussed by comparisons.


Transactions RINA, Vol 159, Part A2, International Journal Maritime Engineering, Apr-Jun 2017 

DOI Number

DOI No: 10.3940/rina.ijme.2017.a2.419

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