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Numerical Simulation of Viscous Flow Around a Suspended Pipe Resonant Transversely in a Uniform Stream

Feifei Long

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Abstract

The viscous flow around pipe is solved by the N-S equation with SIMPLEC 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 done,and results shows that the lift and drag coefficients are changed with time.It is found that phase change accelerating the failure of pipeline.According to the calculated results,the critical length of suspended pipeline avoiding vortex induced resonance is presented.

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What this paper is about

The viscous flow around pipe is solved by the N-S equation with SIMPLEC 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 done,and results shows that the lift and drag coefficients are changed with time.It is found that phase change accelerating the failure of pipeline.According to the calculated results,the critical length of suspended pipeline avoiding vortex induced resonance is presented.

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Available abstract

The viscous flow around pipe is solved by the N-S equation with SIMPLEC 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 done,and results shows that the lift and drag coefficients are changed with time.It is found that phase change accelerating the failure of pipeline.According to the calculated results,the critical length of suspended pipeline avoiding vortex induced resonance is presented.

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

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