Quasi 3-D Modeling of Nearshore Hydrodynamics

Quasi 3-D Modeling of Nearshore Hydrodynamics

Author:

Publisher:

Published: 1997

Total Pages: 262

ISBN-13:

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In this thesis a depth integrated, shortwave averaged nearshore circulation model, called SHORECIRC, is developed, which includes the current current and current wave interactions over depth. This model belongs to the class of quasi 3D models, which combine the effect of the vertical structure with the simplicity of 2DH models. The present model uses semi-analytical solutions for the 3D current profiles in combination with a numerical solution of the depth integrated 2D horizontal equations. The goal of this model is to gain an enhanced prediction and analysis capability for nearshore circulation on any bathymetry and under any hydrodynamical condition. The current current, current wave induced dispersion mechanism has previously been found to significantly augment the lateral turbulent mixing in the case of a steady, uniform longshore current on a straight coast. In this thesis, the generalized quasi 3-D continuity and momentum equations governing nearshore circulation are presented. These equations are based on the complete Reynolds equations with as few additional assumptions as possible.


Introduction to Nearshore Hydrodynamics

Introduction to Nearshore Hydrodynamics

Author: Ib A. Svendsen

Publisher: World Scientific

Published: 2006

Total Pages: 748

ISBN-13: 9812561420

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This book is intended as an introductory textbook for graduate students and as a reference book for engineers and scientists working in the field of coastal engineering. As such it gives a description of the theories for wave and nearshore hydrodynamics. It is meant to de-mystify the topics and hence starts at a fairly basic level. It requires knowledge of fluid mechanics equivalent to a first year graduate level. At the end of each topic, an attempt is made to give an overview of the present stage of the scientific development in that area with numerous references for further studies.


Incorporation of Random Wave Effects Into a Quasi-3D Nearshore Circulation Model (Preprint).

Incorporation of Random Wave Effects Into a Quasi-3D Nearshore Circulation Model (Preprint).

Author:

Publisher:

Published: 2002

Total Pages: 14

ISBN-13:

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A coupled wave-hydrodynamic modeling system, comprised of a random wave model driving a quasi-3D nearshore hydrodynamic model, is described. Random wave formulations for several inputs to the hydrodynamic model are developed. An alternate wave dissipation mechanism is incorporated into the random wave model, and two wave roller descriptions are implemented to calculate volume flux and other roller-dependent input properties. Comparison to laboratory and field data indicate that an evolving roller description, in conjunction with the 3D dispersive mixing inherent in the hydrodynamic model, yield the best results. A method to nest the model system inside larger-scale wave models is described, and an application to an area of complex bathymetry shown.


Coastal Engineering 2004 - Proceedings Of The 29th International Conference (In 4 Vols)

Coastal Engineering 2004 - Proceedings Of The 29th International Conference (In 4 Vols)

Author: Jane Mckee Smith

Publisher: World Scientific

Published: 2005-04-08

Total Pages: 4836

ISBN-13: 9814480525

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This comprehensive and up-to-date volume contains 367 papers presented at the 29th International Conference on Coastal Engineering, held in Lisbon, Portugal, 19-24 September 2004. It is divided into five parts: waves; long waves, nearshore currents, and swash; sediment transport and morphology; coastal management, beach nourishment, and dredging; coastal structures. The contributions cover a broad range of topics including theory, numerical and physical modeling, field measurements, case studies, design, and management. Coastal Engineering 2004 provides engineers, scientists, and planners state-of-the-art information on coastal engineering and coastal processes.The proceedings have been selected for coverage in:


Coastal Engineering 2002: Solving Coastal Conundrums - Proceedings Of The 28th International Conference (In 3 Vols)

Coastal Engineering 2002: Solving Coastal Conundrums - Proceedings Of The 28th International Conference (In 3 Vols)

Author: Jane Mckee Smith

Publisher: World Scientific

Published: 2003-03-14

Total Pages: 4007

ISBN-13: 9814486973

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This book contains more than 300 papers presented at the 28th International Conference on Coastal Engineering, held in Cardiff, Wales, in July 2002. It is divided into five parts: coastal waves; nearshore currents, swash, and long waves; coastal structures; sediment transport; and coastal morphology, beach nourishment, and coastal management. The papers cover a broad range of topics, including theory, numerical and physical modeling, field measurements, case studies, design, and management. Coastal Engineering 2002 provides engineers, scientists, and planners with state-of-the-art information on coastal engineering and coastal processes.