Author: John E. LotshawPublisher:
ISBN:
Category :
Languages : en
Pages : 66
Book Description
Numerical Analysis of Oscillating Flow about a Circular Cylinder
Author: John E. LotshawNumerical Analysis of Oscillating Flow about a Circular Cylinder
Author: Craig D. HansonPublisher:
ISBN:
Category :
Languages : en
Pages : 59
Book Description
The numerical experiments, carried out through the use of a pressure-velocity coupled method to solve the Favre Averaged Navier-Stokes equations, on steady and sinusoidally oscillating flows at five different Keluegan-Carpenter numbers, and three periodicity levels are described. A second-order in time, second-order in space, second-level predictor-corrector finite difference scheme has been used. The solutions were solved by the CFD-ACE program from the CFD Research Corporation. The analysis has produced in-line force coefficients comparable to those obtained experimentally for sinusoidally-oscillating flows.
Numerical Analysis of Oscillating Flow about a Circular Cylinder
Author: Craig D. HansonPublisher:
ISBN:
Category :
Languages : en
Pages : 0
Book Description
The numerical experiments, carried out through the use of a pressure-velocity coupled method to solve the Favre Averaged Navier-Stokes equations, on steady and sinusoidally oscillating flows at five different Keluegan-Carpenter numbers, and three periodicity levels are described. A second-order in time, second-order in space, second-level predictor-corrector finite difference scheme has been used. The solutions were solved by the CFD-ACE program from the CFD Research Corporation. The analysis has produced in-line force coefficients comparable to those obtained experimentally for sinusoidally-oscillating flows.
Numerical Modelling of Oscillating Flow Around a Circular Cylinder
Author: Lee Woon ChewMechanics of Wave Forces on Offshore Structures
Author: Turgut SarpkayaPublisher:
ISBN:
Category : Science
Languages : en
Pages : 682
Book Description
A Critical Study of Two-dimensional Numerical Simulations of Sinusoidally Oscillating Flows Around a Circular Cylinder
Author: Gregory N. GilbertPublisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 126
Book Description
Hydrodynamics Around Cylindrical Structures
Author: Jorgen FredsoePublisher: World Scientific
ISBN: 981449805X
Category :
Languages : en
Pages : 550
Book Description
This book discusses the subject of wave/current flow around a cylinder, the forces induced on the cylinder by the flow, and the vibration pattern of slender structures in a marine environment.The primary aim of the book is to describe the flow pattern and the resulting load which develops when waves or current meet a cylinder. Attention is paid to the special case of a circular cylinder. The development in the forces is related to the various flow patterns and is discussed in detail. Regular as well as irregular waves are considered, and special cases like wall proximities (pipelines) are also investigated.The book is intended for MSc students with some experience in basic fluid mechanics and for PhD students.
Numerical Study of a Circular Cylinder in Regular and Random Oscillatory Flow
Author: Bao Xiu-LuanA Discrete Vortex Analysis of Flow About Stationary and Transversely Oscillating Circular Cylinders
Author: Turgut SarpkayaPublisher:
ISBN:
Category : Eddies
Languages : en
Pages : 0
Book Description
A comprehensive numerical model has been developed to investigate the characteristics of flow about a circular cylinder undergoing synchronized transverse oscillations. The model is based on the rediscretization of the shear layers, wake-boundary-layer interaction, and the dissipation of vorticity. The forces acting on the cylinder, rate of vorticity flux, Strouhal number, cylinder response, oscillations of the stagnation and separation points, longitudinal and transverse spacing of the vortices, and the base pressure have been calculated and shown to be in conformity with those obtained experimentally. The model has been used to predict the characteristics of hydroelastic oscillations of a cylinder in the range of synchronization. The numerical experiments shed considerable light on the interaction between the fluid motion in the wake and the dynamics of the body. An extensive sensitivity analysis has been carried out to determine the stability of all the parameters and hence the stability of the numerical model itself. (Author).
A Discrete Vortex Analysis of Flow About Stationary and Transversely Oscillating Circular Cylinders
Author: Ray L. ShoaffPublisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 167
Book Description
A comprehensive numerical model has been developed to investigate the characteristics of flow about a circular cylinder undergoing synchronized transverse oscillations. The model is based on the rediscretization of the shear layers, wake-boundary-layer interaction, and the dissipation of vorticity. The forces acting on the cylinder, rate of vorticity flux, Strouhal number, cylinder response, oscillations of the stagnation and separation points, longitudinal and transverse spacing of the vortices, and the base pressure have been calculated and shown to be in conformity with those obtained experimentally. The model has been used to predict the characteristics of hydroelastic oscillations of a cylinder in the range of synchronization. The numerical experiments shed considerable light on the interaction between the fluid motion in the wake and the dynamics of the body. An extensive sensitivity analysis has been carried out to determine the stability of all the parameters and hence the stability of the numerical model itself. (Author).