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DOMAIN DECOMPOSITION METHOD FOR THE CALCULATION OF CIRCULAR CYLINDER DRAG AND LIFT IN FLOWS

Ren An-lu

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Abstract

The purpose of this paper is to present an improved domain decomposition method, and to simulate the flow around a single cylinder and two cylinders in tandem arrangement. For the calculations of flow around a single cylinder, the size of steady vortex at low Re here was close to the results obtained from experiments. For the calculations of flow around two cylinders, research was applied to discuss the lift coefficient, drag coefficient and the frequency of lift curve in various spacing. The results we obtained in this paper are consistent with experiments, and provide us with some basic knowledge about vortex-induced vibration.

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What this paper is about

The purpose of this paper is to present an improved domain decomposition method, and to simulate the flow around a single cylinder and two cylinders in tandem arrangement. For the calculations of flow around a single cylinder, the size of steady vortex at low Re here was close to the results obtained from experiments. For the calculations of flow around two cylinders, research was applied to discuss the lift coefficient, drag coefficient and the frequency of lift curve in various spacing. The results we obtained in this paper are consistent with experiments, and provide us with some basic knowledge about vortex-induced vibration.

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Available abstract

The purpose of this paper is to present an improved domain decomposition method, and to simulate the flow around a single cylinder and two cylinders in tandem arrangement. For the calculations of flow around a single cylinder, the size of steady vortex at low Re here was close to the results obtained from experiments. For the calculations of flow around two cylinders, research was applied to discuss the lift coefficient, drag coefficient and the frequency of lift curve in various spacing. The results we obtained in this paper are consistent with experiments, and provide us with some basic knowledge about vortex-induced vibration.

Key concepts: Lift coefficient, Lift (data mining), Drag coefficient, Drag, Cylinder, Mechanics, Vortex, Lift-to-drag ratio

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DOMAIN DECOMPOSITION METHOD FOR THE CALCULATION OF CIRCULAR CYLINDER DRAG AND LIFT IN FLOWS — Research Paper | ScholarLens