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RANS 방법을 이용한 파랑 중 선박운동 해석Numerical Prediction of Ship Motions in Wave using RANS Method
- Other Titles
- Numerical Prediction of Ship Motions in Wave using RANS Method
- Issue Date
- 2013
- Publisher
- 대한조선학회
- Keywords
- 선박운동; 전산유체역학; 레벨셋법; 유한체적법; Ship motion; Computational Fluid Dynamics(CFD); Level-set method; Finite volume method
- Citation
- 대한조선학회 논문집, v.50, no.4, pp 232 - 239
- Pages
- 8
- Journal Title
- 대한조선학회 논문집
- Volume
- 50
- Number
- 4
- Start Page
- 232
- End Page
- 239
- ISSN
- 1225-1143
- Abstract
- This paper provides the structure of a Reynolds Averaged Navier-Stokes(RANS) based simulation method and its validation results for the ship motion problem. The motion information of the hull computed from the equations of motion is considered in the momentum equations as the relative fluid motions with respect to a non-inertial coordinates system. A finite volume method is used to solve the governing equations, while the free surface is captured by using a two-phase level-set method and the realizable k-εmodel is used for turbulence closure. For the validation of the present numerical approach, the numerical results of the resistance and motion tests for DTMB 5415 at two ship speeds are compared against available experimental data.
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