Extraction of Hydrodynamic Coefficients Applying Planning Mechanism Motion Maneuver Using Computational Fluid Dynamics

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Amini Foroushani J.; GANDOMKAR M.

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Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2018 | Volume:8 | Issue:1 Page(s): 215-228

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Title

Extraction of Hydrodynamic Coefficients Applying Planning Mechanism Motion Maneuver Using Computational Fluid Dynamics

Author(s)

Amini Foroushani J. | GANDOMKAR M. | Issue Writer Certificate

Keywords

Underwater VehicleQ2

Hydrodynamic CoefficientsQ1

Dynamic ManeuversQ1

Computational Fluid DynamicsQ1

Abstract

This article describes how to extract some Hydrodynamic Coefficients of an Underwater Vehicle using Computational Fluid Dynamics, and has been implemented on DARPA Suboff geometric model. In this article, a procedure has been provided to efficiently extract Hydrodynamic Coefficients, without using mesh regeneration for each maneuver. In this method by using simulation of some standard Dynamic Maneuvers, such as pure yaw and pure sway, a number of Hydrodynamic Coefficients have been obtained such as, ̇ , , ̇ and, ̇ , , ̇ . The parameters, required for numerical analysis, are geometry, center of mass and velocity of Underwater Vehicle. Using numerical analysis, hydrodynamic forces and moments have been ploted as functions of time. Hydrodynamic Coefficients in relevant to the desired geometry is derived by investigation on the equations of motion in sinusoidal maneuver at specific points such as zero lateral velocity or zero acceleration points. The results of the present procedure have been compared with the experimental results that reported in the literature and a good agreement between analytical and experimental results has been observed.

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APA: Copy

Amini Foroushani, J., & GANDOMKAR, M.. (2018). Extraction of Hydrodynamic Coefficients Applying Planning Mechanism Motion Maneuver Using Computational Fluid Dynamics. JOURNAL OF SOLID AND FLUID MECHANICS, 8(1 ), 215-228. SID. https://sid.ir/paper/393497/en

Vancouver: Copy

Amini Foroushani J., GANDOMKAR M.. Extraction of Hydrodynamic Coefficients Applying Planning Mechanism Motion Maneuver Using Computational Fluid Dynamics. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2018;8(1 ):215-228. Available from: https://sid.ir/paper/393497/en

IEEE: Copy

J. Amini Foroushani, and M. GANDOMKAR, “Extraction of Hydrodynamic Coefficients Applying Planning Mechanism Motion Maneuver Using Computational Fluid Dynamics,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 8, no. 1 , pp. 215–228, 2018, [Online]. Available: https://sid.ir/paper/393497/en

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