Numerical and Analytical Calculation of Munk Moment in Real Flow for an Autonomous Submarine in Pure Sway Motion in PMM Test

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Hakamifard M.; Rostami V.F. M.

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Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2019 | Volume:9 | Issue:3 Page(s): 205-216

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Title

Numerical and Analytical Calculation of Munk Moment in Real Flow for an Autonomous Submarine in Pure Sway Motion in PMM Test

Author(s)

Hakamifard M. | Rostami V.F. M. | Issue Writer Certificate

Keywords

Munk MomentQ1

Added Mass CoefficientQ1

PMMQ1

Pure SwayQ1

Real FlowQ2

Abstract

The Munk Moment may make the vessel unstable in simultaneous Surge and Sway motions. In this paper the Munk Moment was calculated by computational fluid dynamics (CFD) and finite volume method (FVM) for an autonomous submarine. Furthermore the Added Mass Coefficients were calculated for computation of Munk Moment using analytical formulation in potential flow. The damping coefficients were also calculated. The unstedy state numerical simulation of Real Flow for surge and sway motions has been performed. The turbulent effects were considered by using k− ω sst turbulence model. Using Planar Motion Mechanism (PMM) in Pure Sway situation, the forces and moments were calculated. The overset mesh was used for grid generation in computational domain. The mesh independency has been also prerformed. Using sixth order polynomial interpolation for forces and moments of numerical simulation, the hydrodynamic coefficients were calculated. The results showed good agreement with experimental data. Finally, the Munk Moment of numerical simulation and analytical formulation have been compared. Furthormore N ̇ was calculated based on potential theory and also compared with numerical and experimental ones.

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APA: Copy

Hakamifard, M., & Rostami V.F., M.. (2019). Numerical and Analytical Calculation of Munk Moment in Real Flow for an Autonomous Submarine in Pure Sway Motion in PMM Test. JOURNAL OF SOLID AND FLUID MECHANICS, 9(3 ), 205-216. SID. https://sid.ir/paper/363993/en

Vancouver: Copy

Hakamifard M., Rostami V.F. M.. Numerical and Analytical Calculation of Munk Moment in Real Flow for an Autonomous Submarine in Pure Sway Motion in PMM Test. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2019;9(3 ):205-216. Available from: https://sid.ir/paper/363993/en

IEEE: Copy

M. Hakamifard, and M. Rostami V.F., “Numerical and Analytical Calculation of Munk Moment in Real Flow for an Autonomous Submarine in Pure Sway Motion in PMM Test,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 9, no. 3 , pp. 205–216, 2019, [Online]. Available: https://sid.ir/paper/363993/en

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