The prediction of hull gesture and flow around ship based on Taylor expansion boundary element method

• Autorzy: Gong J. , Li Y.
• Języki publikacji: EN

Abstrakty

EN

Based on the potential flow theory and traditional boundary element method (BEM), Taylor expansion boundary element method (TEBEM) is introduced in this paper for the prediction of the flow field around ship, as a result, hull gesture and pressure distribution on hull surface are obtained. By this method, dipole strength of every field point is expanded in Taylor expansion, so that approximately continuous hull and free surface boundary condition could be achieved. To close the new equation system, the boundary condition of tangent velocity in every control point is introduced. With the simultaneous solving of hull boundary condition and free surface condition, the disturbance velocity potential could be obtained. The present method is used to predict the flow field and hull gesture of Wigley parabolic hull, Series 60 and KVLCC2 models. To validate the numerical model for full form ship, the wave profile, the computed hull gesture and hull surface pressure of KVLCC2 model are compared with experimental results

• Wydawca: -
• Czasopismo: Polish Maritime Research
• Rocznik: 2019
• Tom: 26
• Numer: 2
• Opis fizyczny: p.198-211,fig.,ref.

Twórcy

autor

Gong J.

• College of Shipbuilding Engineering, Harbin Engineering University, Harbin, China

autor

Li Y.

• College of Ocean Science and Engineering of SMU, Shanghai Maritime University, Shanghai, China

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Identyfikatory

DOI

10.2478/pomr-2019-0039