WANG Jian-hua, WAN De-cheng. Investigations of Self-Propulsion in Waves of Fully Appended ONR Tumblehome Model[J]. Applied Mathematics and Mechanics, 2016, 37(12): 1345-1358. doi: 10.21656/1000-0887.370525
Citation: WANG Jian-hua, WAN De-cheng. Investigations of Self-Propulsion in Waves of Fully Appended ONR Tumblehome Model[J]. Applied Mathematics and Mechanics, 2016, 37(12): 1345-1358. doi: 10.21656/1000-0887.370525

Investigations of Self-Propulsion in Waves of Fully Appended ONR Tumblehome Model

doi: 10.21656/1000-0887.370525
Funds:  National Natural Science Foundation of China(51379125; 51490675; 11432009; 51579145; 11272120) and the Chang Jiang Scholars Program of China(T2014099)
  • Received Date: 2016-11-17
  • Rev Recd Date: 2016-11-27
  • Publish Date: 2016-12-15
  • In the present work, the CFD-based method coupled with the dynamic overset grid technique is applied to investigate the hydrodynamic performance of the fully appended ONR tumblehome ship model under self-propulsion condition in head waves. All the computations are carried out by our in-house CFD solver naoe-FOAM-SJTU and the overset grid module is used to update the ship motions with rotating propellers while a self-developed 3D wave tank module is applied to generate desired wave environment. The ship model is advancing at its model point obtained with previous CFD results in calm water and the simulation is according to the benchmark case from the Tokyo 2015 CFD Workshop in ship hydrodynamics. The predicted results, i.e. ship motions and instantaneous advancing speeds are presented and compared with the available experimental data. Propulsion coefficients, KT and KQ, as well as detailed information of the flow field are also given to explain the hydrodynamic performance during the self-propulsion in waves. Good agreements are achieved which indicate that the present approach is applicable for the direct simulation of self-propulsion in waves.
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