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A Multi Layer Approach To Modeling Generation Propagation And Interaction Of Water Waves
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Book Synopsis A Multi-layer Approach to Modeling Generation, Propagation, and Interaction of Water Waves by : Patrick Joseph Lynett
Download or read book A Multi-layer Approach to Modeling Generation, Propagation, and Interaction of Water Waves written by Patrick Joseph Lynett and published by . This book was released on 2002 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Modeling of Water Waves by : Pengzhi Lin
Download or read book Numerical Modeling of Water Waves written by Pengzhi Lin and published by CRC Press. This book was released on 2008-04-30 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modelling large-scale wave fields and their interaction with coastal and offshore structures has become much more feasible over the last two decades with increases in computer speeds. Wave modelling can be viewed as an extension of wave theory, a mature and widely published field, applied to practical engineering through the use of computer tools.
Book Synopsis Dispersive Shallow Water Waves by : Gayaz Khakimzyanov
Download or read book Dispersive Shallow Water Waves written by Gayaz Khakimzyanov and published by Springer Nature. This book was released on 2020-09-15 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph presents cutting-edge research on dispersive wave modelling, and the numerical methods used to simulate the propagation and generation of long surface water waves. Including both an overview of existing dispersive models, as well as recent breakthroughs, the authors maintain an ideal balance between theory and applications. From modelling tsunami waves to smaller scale coastal processes, this book will be an indispensable resource for those looking to be brought up-to-date in this active area of scientific research. Beginning with an introduction to various dispersive long wave models on the flat space, the authors establish a foundation on which readers can confidently approach more advanced mathematical models and numerical techniques. The first two chapters of the book cover modelling and numerical simulation over globally flat spaces, including adaptive moving grid methods along with the operator splitting approach, which was historically proposed at the Institute of Computational Technologies at Novosibirsk. Later chapters build on this to explore high-end mathematical modelling of the fluid flow over deformed and rotating spheres using the operator splitting approach. The appendices that follow further elaborate by providing valuable insight into long wave models based on the potential flow assumption, and modified intermediate weakly nonlinear weakly dispersive equations. Dispersive Shallow Water Waves will be a valuable resource for researchers studying theoretical or applied oceanography, nonlinear waves as well as those more broadly interested in free surface flow dynamics.
Book Synopsis Numerical Modeling of Water Waves by : Charles L. Mader
Download or read book Numerical Modeling of Water Waves written by Charles L. Mader and published by CRC Press. This book was released on 2004-06-25 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical Modeling of Water Waves, Second Edition covers all aspects of this subject, from the basic fluid dynamics and the simplest models to the latest and most complex, including the first-ever description of techniques for modeling wave generation by explosions, projectile impacts, asteroids, and impact landslides. The book comes packaged with
Book Synopsis Simulation of Water Waves by Boussinesq Models by : Ge Wei
Download or read book Simulation of Water Waves by Boussinesq Models written by Ge Wei and published by . This book was released on 1997 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new set of time-dependent Boussinesq equations is derived to simulate nonlinear long wave propagation in coastal regions. Following the approaches by Nwogu and later by Chen and Liu, the velocity (or velocity potential) at a certain water depth corresponding to the optimum linear dispersion property is used as a dependent variable. Therefore, the resulting equations are valid in intermediate water depth as well as for highly nonlinear waves. Coefficients for second order bound waves and the third order Schrodinger equation are derived and compared with exact solutions. A numerical model using a combination of second and fourth order schemes to discretize equation terms is developed for obtaining solutions to the equations. A fourth order predictor-corrector scheme is employed for time stepping and the first order derivative terms are finite differenced to fourth order accuracy, making the truncation errors smaller than the dispersive terms in the equations. Linear stability analysis is performed to determine the corresponding numerical stability range for the model. To avoid the problem of wave reflection from the conventional incident boundary condition, internal wave generation by source function is employed for the present model. Numerical filtering is applied at specified time steps in the model to eliminate short waves (about 2 to 5 times of the grid size) which are generated by the nonlinear interaction of long waves. To simulate the wave breaking process, additional terms for artificial eddy viscosity are included in the model equations to dissipate wave energy. The dissipation terms are activated when the horizontal gradient of the horizontal velocity exceeds the specified breaking criteria. Some of the existing models for simulating the process of wave runup are reviewed and we attempt to incorporate the present model to simulate the process by maintaining a thin layer of water over the physically dry grids.
Book Synopsis Hydraulic performance of an impermeable submerged structure for tsunami damping by : Agnieszka Strusinska
Download or read book Hydraulic performance of an impermeable submerged structure for tsunami damping written by Agnieszka Strusinska and published by ibidem-Verlag / ibidem Press. This book was released on 2011-02-01 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the face of the enormous destruction caused by the December 26, 2004 Indian Ocean tsunami event, it is necessary to utilize more effective means of tsunami mitigation to prevent such tragedies. Based on the experiences gathered in storm wave damping by using submerged structures, Agnieszka Strusinska examines the applicability of artificial reefs as an integrated part of a multi-defence line strategy for tsunami attenuation. In her study, she first discusses the results of laboratory experiments in order to identify the difference in the nonlinear interaction of storm and tsunami-like solitary waves with an impermeable sub¬mer¬ged structure of a finite width (including generation of wave breaking and wave fission). With this basic knowledge, the damping performance of an artificial reef under tsunami impact is determined as a ratio of wave transmission, wave reflection, and wave energy dissipation for varying reef geometries and incident wave conditions using a Boussinesq-type numerical model.
Download or read book Tsunamis written by E.M. Scourse and published by Geological Society of London. This book was released on 2018-01-05 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Publication examines tsunami hazard and risk, with particular focus on using the geological record. With Earth’s growing population clustered increasingly on coastlines, tsunami hazards are of concern worldwide. The papers explore the sedimentological and dynamic traces of recent and prehistoric tsunamis globally – from Europe to the Pacific – as well as looking at historic records and how the information can be used to characterise the scale of impacts and areas that are most susceptible to tsunami hazards. Armed with this information, scientists can begin to quantify risks, both to populations and in economic terms. This volume is aimed both at scientists working in this field and at a wider community, interested in tsunami science and natural hazard assessment.
Book Synopsis Numerical Modeling Of Water Waves In Coastal And Ocean Engineering by : Pablo Higuera
Download or read book Numerical Modeling Of Water Waves In Coastal And Ocean Engineering written by Pablo Higuera and published by World Scientific. This book was released on 2023-03-16 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique compendium introduces the field of numerical modelling of water waves. The topics included the most widely used water wave modelling approaches, presented in increasing order of complexity and categorized into phase-averaged and phase-resolving at the highest level.A comprehensive state-of-the-art review is provided for each chapter, comprising the historical development of the method, the most relevant models and their practical applications. A full description on the method's underlying assumptions and limitations are also provided. The final chapter features coupling among different models, outlining the different types of implementations, highlighting their pros and cons, and providing numerous relevant examples for full context.The useful reference text benefits professionals, researchers, academics, graduate and undergraduate students in wave mechanics in general and coastal and ocean engineering in particular.
Book Synopsis Advances in Numerical Simulation of Nonlinear Water Waves by : Qingwei Ma
Download or read book Advances in Numerical Simulation of Nonlinear Water Waves written by Qingwei Ma and published by World Scientific. This book was released on 2010 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ch. 1. Model for fully nonlinear ocean wave simulations derived using Fourier inversion of integral equations in 3D / J. Grue and D. Fructus -- ch. 2. Two-dimensional direct numerical simulations of the dynamics of rogue waves under wind action / J. Touboul and C. Kharif -- ch. 3. Progress in fully nonlinear potential flow modeling of 3D extreme ocean waves / S.T. Grilli [und weitere] -- ch. 4. Time domain simulation of nonlinear water waves using spectral methods / F. Bonnefoy [und weitere] -- ch. 5. QALE-FEM method and its application to the simulation of free-responses of floating bodies and overturning waves / Q.W. Ma and S. Yan -- ch. 6. Velocity calculation methods in finite element based MEL formulation / V. Sriram, S.A. Sannasiraj and V. Sundar -- ch. 7. High-order Boussinesq-type modelling of nonlinear wave phenomena in deep and shallow water / P.A. Madsen and D.R. Fuhrman -- ch. 8. Inter-comparisons of different forms of higher-order Boussinesq equations / Z.L. Zou, K.Z. Fang and Z.B. Liu -- ch. 9. Method of fundamental solutions for fully nonlinear water waves / D.-L. Young, N.-J. Wu and T.-K. Tsay -- ch. 10. Application of the finite volume method to the simulation of nonlinear water waves / D. Greaves -- ch. 11. Developments in multi-fluid finite volume free surface capturing method / D.M. Causon, C.G. Mingham and L. Qian -- ch. 12. Numerical computation methods for strongly nonlinear wave-body interactions / M. Kashiwagi, C. Hu and M. Sueyoshi -- ch. 13. Smoothed particle hydrodynamics for water waves / R.A. Dalrymple [und weitere] -- ch. 14. Modelling nonlinear water waves with RANS and LES SPH models / R. Issa [und weitere] -- ch. 15. MLPG_R method and Its application to various nonlinear water waves / Q.W. Ma -- ch. 16. Large Eddy simulation of the hydrodynamics generated by breaking waves / P. Lubin and J.-P. Caltagirone -- ch. 17. Recent advances in turbulence modeling for unsteady breaking waves / Q. Zhao and S.W. Armfield -- ch. 18. Freak waves and their interaction with ships and offshore structures / G.F. Clauss
Book Synopsis Numerical Simulation of Water Waves by : Jianhua Tao
Download or read book Numerical Simulation of Water Waves written by Jianhua Tao and published by Springer Nature. This book was released on 2020-03-30 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the numerical simulation of water waves, which combines mathematical theories and modern techniques of numerical simulation to solve the problems associated with waves in coastal, ocean, and environmental engineering. Bridging the gap between practical mathematics and engineering, the book describes wave mechanics, establishment of mathematical wave models, modern numerical simulation techniques, and applications of numerical models in engineering. It also explores environmental issues related to water waves in coastal regions, such as pollutant and sediment transport, and introduces numerical wave flumes and wave basins. The material is self-contained, with numerous illustrations and tables, and most of the mathematical and engineering concepts are presented or derived in the text. The book is intended for researchers, graduate students and engineers in the fields of hydraulic, coastal, ocean and environmental engineering with a background in fluid mechanics and numerical simulation methods.
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 2002 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Interaction of Ocean Waves and Wind by : Peter Janssen
Download or read book The Interaction of Ocean Waves and Wind written by Peter Janssen and published by Cambridge University Press. This book was released on 2004-10-28 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book was published in 2004. The Interaction of Ocean Waves and Wind describes in detail the two-way interaction between wind and ocean waves and shows how ocean waves affect weather forecasting on timescales of 5 to 90 days. Winds generate ocean waves, but at the same time airflow is modified due to the loss of energy and momentum to the waves; thus, momentum loss from the atmosphere to the ocean depends on the state of the waves. This volume discusses ocean wave evolution according to the energy balance equation. An extensive overview of nonlinear transfer is given, and as a by-product the role of four-wave interactions in the generation of extreme events, such as freak waves, is discussed. Effects on ocean circulation are described. Coupled ocean-wave, atmosphere modelling gives improved weather and wave forecasts. This volume will interest ocean wave modellers, physicists and applied mathematicians, and engineers interested in shipping and coastal protection.
Book Synopsis Simulation of Generation, Propagation and Wave-structure Interaction of Transient Nonlinear Wave Using the Boundary Element Method by : Chun Chang
Download or read book Simulation of Generation, Propagation and Wave-structure Interaction of Transient Nonlinear Wave Using the Boundary Element Method written by Chun Chang and published by . This book was released on 1993 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Numerical Modeling of Water Waves by : Charles L. Mader
Download or read book Numerical Modeling of Water Waves written by Charles L. Mader and published by CRC Press. This book was released on 2004-06-25 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical Modeling of Water Waves, Second Edition covers all aspects of this subject, from the basic fluid dynamics and the simplest models to the latest and most complex, including the first-ever description of techniques for modeling wave generation by explosions, projectile impacts, asteroids, and impact landslides. The book comes packaged with a CD-ROM that contains the computer codes and movies generated by the author and his colleagues at the Los Alamos National Laboratory. Mader's three-pronged approach--through text, computer programs, and animations--imparts a thorough understanding of new computational methods and provides the tools to put those methods to effective use.
Book Synopsis Modeling Wave-Wave Interactions and 3-D Wave-Induced Circulation in the Presence of Reflection-Diffraction by : Abhishek Sharma
Download or read book Modeling Wave-Wave Interactions and 3-D Wave-Induced Circulation in the Presence of Reflection-Diffraction written by Abhishek Sharma and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurate prediction of wave environment is critical to the design of ports, harbors and coastal structures. In this dissertation, two advancements for existing phase-resolving models based on elliptic mild-slope equation (EMSE) are proposed. First, an approach is developed to simulate wave-wave interactions using nonlinear elliptic mild-slope equation in domains where wave reflection, refraction, diffraction and breaking effects must also be considered. This involves the construction of an efficient solution procedure involving effective boundary treatment, modification of the nonlinear equation to resolve convergence issues, and validation of the overall approach. For solving the second-order boundary-value problem using finite difference method, the Alternating Direction Implicit (ADI) scheme is employed, and the use of approximate boundary conditions is supplemented, for improved accuracy, with internal wave generation method and dissipative sponge layers. The performance of the nonlinear model is investigated for a range of practical wave conditions involving reflection, diffraction and shoaling in the presence of nonlinear wave-wave interactions. In addition, the transformation of wave spectrum due to nonlinear shoaling and breaking, and nonlinear harbor resonance inside a rectangular harbor are simulated. Numerical calculations are compared with the results from other relevant nonlinear models and experimental data available in literature. Based on these results, a methodology is then developed which can be used to advance the existing finite element models to include wave-wave interaction effects. The finite element model developed in this study is applied to simulate nonlinear wave transformation inside Ponce de Leon Inlet, FL. Results show that the methodology developed here performs reasonably well, and has thus improved the applicability of this class of wave transformation models. Second, a generalized expression for the three-dimensional radiation stress tensor (RST) is derived from first principles. Computation of vertically-dependent RS using this expression requires prior knowledge of the complex velocity potential obtained from phase-resolving wave models based on linear wave theory. As such, this represents a generalization of the vertically-integrated (2-D) RST proposed by Bettess and Bettess (1982) and is applicable to arbitrary linear wave fields. It can therefore be used to simulate 3-D wave-induced flow fields in harbors and coastal regions where the presence of structures and bathymetric irregularities may cause reflection, diffraction, breaking and focusing (caustics). To investigate the performance of the generalized formulation, a 3-D coupled current-wave system is developed which involves a wave prediction model (based on elliptic mild-slope equation) and a 3-D circulation model that uses the generalized RST. The coupled system is then applied to three different cases involving wave propagation over a sloping beach, a standing-wave case, and wave interaction with a shore-parallel breakwater. Numerical calculations of the wave-induced set-up/down and the 3-D current fields are compared with analytical results and experimental data available in literature. Results show that the approach developed here performs reasonably well and has a wide range of applicability. In addition, the existing (2-D and 3-D) radiation stress formulations are shown to be the special cases of this generalized form, which is further used to develop an analytical expression of 3-D RST for full/partial standing waves over flat bottom. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/155192
Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
