BOUNDARY ELEMENT METHOD APPLIED TO THE LIFTING BODIES NEAR THE FREE SURFACE

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GHASEMI HASAN; KOHANSAL A.R.

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Journal: JOURNAL OF MARINE ENGINEERING Year:2010 | Volume:5 | Issue:10 Page(s): 1-9

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Information Journal Paper

Title

BOUNDARY ELEMENT METHOD APPLIED TO THE LIFTING BODIES NEAR THE FREE SURFACE

Author(s)

GHASEMI HASAN | KOHANSAL A.R. | Issue Writer Certificate

Keywords

THREE-DIMENSIONAL HYDROFOILQ3

FREE SURFACEQ4

PRESSURE DISTRIBUTIONQ3

LIFT AND DRAG COEFFICIENTSQ3

WAVE PATTERNQ2

Abstract

In this study, the boundary element method is formulated to evaluate hydrodynamic characteristics of bodies including FREE SURFACE effect. The method is based on two equations, the perturbation potential boundary integral and the pressure Kutta condition, which are solved simultaneously. The method uses isoparametric elements for both quantity and geometric on the boundary. The method is first applied to two three-dimensional bodies (hydrofoil and vertical strut) of the NACA4412 profiles and symmetric Joukowski with 12% thickness. It is assumed that hydrofoil moves in constant speed. Some results of the PRESSURE DISTRIBUTION, lift, wave-making drag and WAVE PATTERN are presented. It is shown that the computational results are in good agreement with the experimental measurements and other calculated values.

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APA: Copy

GHASEMI, HASAN, & KOHANSAL, A.R.. (2010). BOUNDARY ELEMENT METHOD APPLIED TO THE LIFTING BODIES NEAR THE FREE SURFACE. JOURNAL OF MARINE ENGINEERING, 5(10), 1-9. SID. https://sid.ir/paper/60921/en

Vancouver: Copy

GHASEMI HASAN, KOHANSAL A.R.. BOUNDARY ELEMENT METHOD APPLIED TO THE LIFTING BODIES NEAR THE FREE SURFACE. JOURNAL OF MARINE ENGINEERING[Internet]. 2010;5(10):1-9. Available from: https://sid.ir/paper/60921/en

IEEE: Copy

HASAN GHASEMI, and A.R. KOHANSAL, “BOUNDARY ELEMENT METHOD APPLIED TO THE LIFTING BODIES NEAR THE FREE SURFACE,” JOURNAL OF MARINE ENGINEERING, vol. 5, no. 10, pp. 1–9, 2010, [Online]. Available: https://sid.ir/paper/60921/en

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