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Numerical simulation of viscous flow around a suspended pipe resonant transversely in a uniform stream

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Abstract

The viscous flow around pipe is solved by the N-S equation with SIMPLE algorithm in the system of staggered grids.Numerical simulation of a pipe at rest in a uniform stream is performed to validate the model.By using dynamic mesh,the study of viscous flow around a suspended pipe resonant transversely in a uniform stream is carried out.With different ratios of frequency,the result shows the lift and drag coefficients changing with time,and also the pictures of vortex contours.The lift coefficients were analyzed with the fast Fourier transform(FFT).

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What this paper is about

The viscous flow around pipe is solved by the N-S equation with SIMPLE algorithm in the system of staggered grids.Numerical simulation of a pipe at rest in a uniform stream is performed to validate the model.By using dynamic mesh,the study of viscous flow around a suspended pipe resonant transversely in a uniform stream is carried out.With different ratios of frequency,the result shows the lift and drag coefficients changing with time,and also the pictures of vortex contours.The lift coefficients were analyzed with the fast Fourier transform(FFT).

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Available abstract

The viscous flow around pipe is solved by the N-S equation with SIMPLE algorithm in the system of staggered grids.Numerical simulation of a pipe at rest in a uniform stream is performed to validate the model.By using dynamic mesh,the study of viscous flow around a suspended pipe resonant transversely in a uniform stream is carried out.With different ratios of frequency,the result shows the lift and drag coefficients changing with time,and also the pictures of vortex contours.The lift coefficients were analyzed with the fast Fourier transform(FFT).

Key concepts: Fast Fourier transform, Mechanics, Drag, Lift (data mining), Vortex shedding, Vortex, Lift coefficient, Flow (mathematics)

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