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RISS 인기검색어
- 검색키워드
- 저자 : Yavuz Hakan Ozdemir (검색결과 2 건)
- 무료
- 기관 내 무료
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Numerical study of ship motions and added resistance in regular incident waves of KVLCC2 model
Yavuz Hakan Ozdemir,Baris Barlas 대한조선학회 2017 International Journal of Naval Architecture and Oc Vol.9 No.2
In this study, the numerical investigation of ship motions and added resistance at constant forward velocity of KVLCC2 model is presented. Finite volume CFD code is used to calculate three dimensional, incompressible, unsteady RANS equations. Numerical computations show that reliable numerical results can be obtained in head waves. In the numerical analyses, body attached mesh method is used to simulate the ship motions. Free surface is simulated by using VOF method. The relationship between the turbulence viscosity and the velocities are obtained through the standard k ε turbulence model. The numerical results are examined in terms of ship resistance, ship motions and added resistance. The validation studies are carried out by comparing the present results obtained for the KVLCC2 hull from the literature. It is shown that, ship resistance, pitch and heave motions in regular head waves can be estimated accurately, although, added resistance can be predicted with some error.
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Numerical study of ship motions and added resistance in regular incident waves of KVLCC2 model
Ozdemir, Yavuz Hakan,Barlas, Baris The Society of Naval Architects of Korea 2017 International Journal of Naval Architecture and Oc Vol.9 No.2
In this study, the numerical investigation of ship motions and added resistance at constant forward velocity of KVLCC2 model is presented. Finite volume CFD code is used to calculate three dimensional, incompressible, unsteady RANS equations. Numerical computations show that reliable numerical results can be obtained in head waves. In the numerical analyses, body attached mesh method is used to simulate the ship motions. Free surface is simulated by using VOF method. The relationship between the turbulence viscosity and the velocities are obtained through the standard ${\kappa}-{\varepsilon}$ turbulence model. The numerical results are examined in terms of ship resistance, ship motions and added resistance. The validation studies are carried out by comparing the present results obtained for the KVLCC2 hull from the literature. It is shown that, ship resistance, pitch and heave motions in regular head waves can be estimated accurately, although, added resistance can be predicted with some error.
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