PARAMETRIC ANALYSIS OF SUBSURFACE HYDROFOIL WITH BOUNDARY ELEMENTS METHOD

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AFKHAMI S.; PASANDIDEHFARD M.; NOROZI M.

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Paper Information

Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2016 | Volume:6 | Issue:2 Page(s): 213-226

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Title

PARAMETRIC ANALYSIS OF SUBSURFACE HYDROFOIL WITH BOUNDARY ELEMENTS METHOD

Author(s)

AFKHAMI S. | PASANDIDEHFARD M. | NOROZI M. | Issue Writer Certificate

Keywords

GREEN’S THEOREMQ1

SURFACE EFFECTQ1

BOUNDARY ELEMENTS METHODQ2

TWO DIMENSION HYDROFOILQ1

Abstract

One of the most important issues of applied Hydrodynamics is analysis of moving hydrofoils near the free surface. In this paper attention is being paid to the flow analysis of hydrofoil near the free surface. For this simulation, an iterative method based on GREEN’S THEOREM is employed, and the problem is divided to hydrofoil and free surface and the effects on each other is calculated, and then perturbation potential on hydrofoil and free surface are acquired. Next, the values of these potentials are modified with an iterative algorithm until the results converge to real values. Then by having these potentials, pressure distribution on hydrofoil surface and curve wave on free surface are obtained. Having validated this method, various factors on the hydrofoil performance such as thickness, camber, angle of attack, the Froud number, distance from the free surface, and distance from depth are surveyed. It can be observed that the results of boundary element method with good approximation predict the flow performance, although the existence of an ideal fluid is assumed.

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APA: Copy

AFKHAMI, S., PASANDIDEHFARD, M., & NOROZI, M.. (2016). PARAMETRIC ANALYSIS OF SUBSURFACE HYDROFOIL WITH BOUNDARY ELEMENTS METHOD. JOURNAL OF SOLID AND FLUID MECHANICS, 6(2), 213-226. SID. https://sid.ir/paper/212682/en

Vancouver: Copy

AFKHAMI S., PASANDIDEHFARD M., NOROZI M.. PARAMETRIC ANALYSIS OF SUBSURFACE HYDROFOIL WITH BOUNDARY ELEMENTS METHOD. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2016;6(2):213-226. Available from: https://sid.ir/paper/212682/en

IEEE: Copy

S. AFKHAMI, M. PASANDIDEHFARD, and M. NOROZI, “PARAMETRIC ANALYSIS OF SUBSURFACE HYDROFOIL WITH BOUNDARY ELEMENTS METHOD,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 6, no. 2, pp. 213–226, 2016, [Online]. Available: https://sid.ir/paper/212682/en

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