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Artículos de revistas sobre el tema "Offshore structures – Hydrodynamics"

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Publicado: 4 de junio de 2021

Última modificación: 4 de febrero de 2022

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1

Faulkner, D. "Hydrodynamics of offshore structures." Marine Structures 1, no. 1 (January 1988): 81–83. http://dx.doi.org/10.1016/0951-8339(88)90012-3.

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2

Sarpkaya, T. "Offshore Hydrodynamics." Journal of Offshore Mechanics and Arctic Engineering 115, no. 1 (February 1, 1993): 2–5. http://dx.doi.org/10.1115/1.2920085.

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In this paper, we present several applied as well as fundamental research problems related to the future needs of the offshore engineering. The paper starts out with a detailed discussion of the current uncertainties and constraints. Then, specific research issues on environmental input conditions, on the role of computational fluid dynamics, and on damping and dynamic response are presented. It is suggested that an appreciation of the input parameters, acquisition of extensive data to properly characterize the ocean environment, development of new methods and tools to acquire relevant data, e

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3

Isaacson, Michael. "Wave and current forces on fixed offshore structures." Canadian Journal of Civil Engineering 15, no. 6 (December 1, 1988): 937–47. http://dx.doi.org/10.1139/l88-125.

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The Canadian Standards Association standard S471 "General requirements, design criteria, environment, and loads, Part 1 of the CSA code for the design, construction and installation of fixed offshore structures" contains an appendix "Wave and current loads." To compliment this appendix, the present paper provides a more detailed survey of this topic with a review of the recent literature and recommendations of hydrodynamic data needed in offshore design. In addition, hydrodynamic considerations in the calculation of earthquake and ice loads are mentioned. Key words: currents, current forces, h

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4

Faltinsen, O. M. "Hydrodynamics of marine and offshore structures." Journal of Hydrodynamics 26, no. 6 (December 2014): 835–47. http://dx.doi.org/10.1016/s1001-6058(14)60092-5.

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5

Tomasicchio, Giuseppe Roberto, Elvira Armenio, Felice D'Alessandro, Nuno Fonseca, Spyros A. Mavrakos, Valery Penchev, Holger Schuttrumpf, Spyridon Voutsinas, Jens Kirkegaard, and Palle M. Jensen. "DESIGN OF A 3D PHYSICAL AND NUMERICAL EXPERIMENT ON FLOATING OFF-SHORE WIND TURBINES." Coastal Engineering Proceedings 1, no. 33 (December 14, 2012): 67. http://dx.doi.org/10.9753/icce.v33.structures.67.

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The knowledge of the behavior of floating offshore wind turbines (W/T) under wave and/or wind action remains one of the most difficult challenges in offshore engineering which is mostly due to the highly non-linear response of the structure. The present study describes the design process of a 3D physical experiment to investigate the behavior of the most promising structure technology of floating W/T: spar buoy (SB) and tension leg platform (TLP) under different meteo conditions. In order to properly design the two W/T models, the following topics have been analyzed: mooring lines, mass distri

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6

Tao, L., B. Molin, Y. M. Scolan, and K. Thiagarajan. "Spacing effects on hydrodynamics of heave plates on offshore structures." Journal of Fluids and Structures 23, no. 8 (November 2007): 1119–36. http://dx.doi.org/10.1016/j.jfluidstructs.2007.03.004.

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7

Isaacson, Michael, and John Baldwin. "Wave–current effects on large offshore structures." Canadian Journal of Civil Engineering 16, no. 4 (August 1, 1989): 543–51. http://dx.doi.org/10.1139/l89-084.

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The various effects that influence loads acting on a large offshore structure due to the combination of waves and currents are reviewed. These may be broadly associated with potential flow effects and viscous effects. The potential flow effects are nonlinear and may generally be investigated by perturbation or time-stepping methods. Viscous effects include the onset of flow separation, which affects the validity of the assumed potential flow, as well as steady and oscillatory forces. The fluid mechanics of the complete wave–current–structure interaction problem are not yet well understood and

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8

Benitz, M. A., M. A. Lackner, and D. P. Schmidt. "Hydrodynamics of offshore structures with specific focus on wind energy applications." Renewable and Sustainable Energy Reviews 44 (April 2015): 692–716. http://dx.doi.org/10.1016/j.rser.2015.01.021.

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9

Isaacson, Michael de St Q. "Recent advances in the computation of nonlinear wave effects on offshore structures." Canadian Journal of Civil Engineering 12, no. 3 (September 1, 1985): 439–53. http://dx.doi.org/10.1139/l85-052.

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The present paper provides a review of recent research on various nonlinearities that arise in ocean wave interactions with offshore structures. These include nonlinearities associated with the incident waves alone, the response of slender structural members to waves, and the nonlinear diffraction problem involving wave interactions with large structures. Emphasis is given to areas of current research into two particular nonlinear problems. One concerns an investigation into alternative approximations to the Morison equation for flexible structures and the other concerns the numerical simulati

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10

Foschi, Ricardo, Michael Isaacson, Norman Allyn, and Steven Yee. "Combined wave – iceberg loading on offshore structures." Canadian Journal of Civil Engineering 23, no. 5 (October 1, 1996): 1099–110. http://dx.doi.org/10.1139/l96-917.

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The Canadian Standards Association has developed and published a code for the design and construction of fixed offshore structures. This code has been subjected to a comprehensive verification process which has identified several issues warranting further study. One of these relates to the combined effects of wave and iceberg collision loading. At present, this combination is treated by the use of a load combination factor specified in the Code. The present paper describes a recent study which was undertaken to determine the appropriateness of the recommended value of the load combination fact

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11

Isaacson, Michael, and Kevin McTaggart. "Influence of hydrodynamic effects on iceberg collisions." Canadian Journal of Civil Engineering 17, no. 3 (June 1, 1990): 329–37. http://dx.doi.org/10.1139/l90-040.

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This paper examines various hydrodynamic effects which should be considered when analyzing iceberg collisions with a fixed structure. Iceberg added mass is among the hydrodynamic parameters that must be known to evaluate collision severity. Effective added mass is shown to vary with collision duration and recommendations are made for the selection of added masses to be used in iceberg collision design. Iceberg impact velocities are influenced by waves and currents, which can both be significantly influenced by the presence of a large structure. Wave-driven iceberg drift motions are shown to be

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12

Schulz, Karl W., and Yannis Kallinderis. "Numerical Prediction of the Hydrodynamic Loads and Vortex-Induced Vibrations of Offshore Structures." Journal of Offshore Mechanics and Arctic Engineering 122, no. 4 (June 22, 2000): 289–93. http://dx.doi.org/10.1115/1.1315302.

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An incompressible Navier-Stokes flow algorithm is coupled with an elastic body structural response to numerically investigate the hydrodynamics of several relevant offshore applications. These applications include the effects of surface roughness on a bare cylinder and the study of vortex-induced vibrations (VIV) for a cylinder at high Reynolds numbers. The Reynolds number for the roughness cases was Re=4×106, while the Reynolds number for the VIV cases ranged from 2.25×105⩽Re⩽4.75×105. Additional VIV cases were also performed for two common suppression devices: strakes and fairings. The resul

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13

Dao, M. H., H. Xu, E. S. Chan, and P. Tkalich. "Numerical modelling of extreme waves by Smoothed Particle Hydrodynamics." Natural Hazards and Earth System Sciences 11, no. 2 (February 11, 2011): 419–29. http://dx.doi.org/10.5194/nhess-11-419-2011.

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Abstract. The impact of extreme/rogue waves can lead to serious damage of vessels as well as marine and coastal structures. Such extreme waves in deep water are characterized by steep wave fronts and an energetic wave crest. The process of wave breaking is highly complex and, apart from the general knowledge that impact loadings are highly impulsive, the dynamics of the breaking and impact are still poorly understood. Using an advanced numerical method, the Smoothed Particle Hydrodynamics enhanced with parallel computing is able to reproduce well the extreme waves and their breaking process. O

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14

Isaacson, Michael, Thomas Mathai, and Carol Mihelcic. "Hydrodynamic coefficients of a vertical circular cylinder." Canadian Journal of Civil Engineering 17, no. 3 (June 1, 1990): 302–10. http://dx.doi.org/10.1139/l90-037.

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The added mass and the damping coefficient of a large surface-piercing circular cylinder extending to the seabed and undergoing horizontal oscillations are described. A closed-form solution to the corresponding linear radiation problem is obtained by the use of eigenfunction expansions. Attention is given to the vertical distribution of these coefficients and to their high-frequency asymptotic behaviour. Comparisons are made with experimental measurements. The application to typical offshore structures is discussed. Key words: added mass, cylinders, damping, hydrodynamics, ocean engineering.

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15

Filipot, J. F., P. Guimaraes, F. Leckler, J. Hortsmann, R. Carrasco, E. Leroy, N. Fady, et al. "La Jument lighthouse: a real-scale laboratory for the study of giant waves and their loading on marine structures." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2155 (August 19, 2019): 20190008. http://dx.doi.org/10.1098/rsta.2019.0008.

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This paper presents results from an experiment designed to improve the understanding of the relationship between extreme breaking waves and their mechanical loading on heritage offshore lighthouses. The experiment, conducted at La Jument, an iconic French offshore lighthouse, featured several records of wave, current and structure accelerations acquired during severe storm conditions, with individual waves as high as 24 m. Data analysis focuses on a storm event marked by a strong peak in the horizontal accelerations measured inside La Jument. Thanks to stereo-video wave measurements synchroniz

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16

Nielsen, Jan K., S. Helama, D. Rodland, and Jasper K. Nielsen. "Eemian marine mollusks and barnacles from Ristinge Klint, Denmark: hydrodynamics and oxygen deficiency." Netherlands Journal of Geosciences - Geologie en Mijnbouw 86, no. 2 (July 2007): 95–115. http://dx.doi.org/10.1017/s0016774600023118.

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AbstractTaphonomic analysis of Eemian marine mollusks and barnacles at Ristinge Klint on the island of Langeland (Denmark) provides a distinct record of a temporal succession in preservation states. Four different states of preservation are recognized and related to a decreasing hydrodynamic regime in the depositional setting of the Eemian Baltic Sea. The states show a deepening-upward transition from shallow bay environment towards deeper offshore environment. The depositional setting changed significantly in hydrodynamics about 620 and 1550 years into the Eemian (130,000 to 115,000 years BP)

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17

Isaacson, Michael, Norman Allyn, and Gary Loverich. "Development of a net pen system for aquaculture farming." Canadian Journal of Civil Engineering 20, no. 2 (April 1, 1993): 189–200. http://dx.doi.org/10.1139/l93-024.

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The present paper describes a study carried out to verify a new net pen system which has been developed for aquaculture farming at exposed coastal sites. The structure is based on the use of spar buoys rather than rigid floats to support the net. A prototype structure has been deployed in Juan de Fuca Strait, and a verification of the system is described. This has involved an assessment of the environmental conditions and hydrodynamic loading for the structure, strength and fatigue analyses, and a calibration of wave conditions and mooring line forces with respect to prototype measurements. Ov

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18

Paik, Jeom Kee. "Toward Limit State Design of Ships and Offshore Structures Under Impact Pressure Actions: A State-of-the-Art Review." Marine Technology and SNAME News 43, no. 03 (July 1, 2006): 135–45. http://dx.doi.org/10.5957/mt1.2006.43.3.135.

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In design of ships and ship-shaped offshore units, issues related to impact pressure actions arising from sloshing, slamming, green water, or explosion are of particular concern. The structural response under impact pressure actions is quite different from that under static or quasistatic actions. It has been recognized that the limit state approach is a more rational basis for structural design and safety assessment where both "demand" (loads) and "capacity" (strength) must be accurately defined. For impact pressure action cases, the demand is associated with hydrodynamics areas, taking into

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19

Nakajima, K., Y. Kallinderis, I. Sibetheros, R. W. Miksad, and K. Lambrakos. "A Numerical Study of the Hydrodynamics of Reversing Flows Around a Cylinder." Journal of Offshore Mechanics and Arctic Engineering 116, no. 4 (November 1, 1994): 202–8. http://dx.doi.org/10.1115/1.2920152.

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A numerical study of the nonlinear and random behavior of flow-induced forces on offshore structures and experimental verification of the results are presented. The numerical study is based on a finite-element method for the unsteady incompressible Navier-Stokes equations in two dimensions. The momentum equations combined with a pressure correction equation are solved employing fourth-order artificial dissipation with a nonstaggered grid, instead of the more commonly used staggered meshes. The solution is advanced in time with a combined explicit and implicit marching scheme. Emphasis is place

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20

Roddier, Dominique, and Joshua Weinstein. "Floating Wind Turbines." Mechanical Engineering 132, no. 04 (April 1, 2010): 28–32. http://dx.doi.org/10.1115/1.2010-apr-2.

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This article discusses the functioning of floating wind turbines. The engineering requirements for the design of floating offshore wind turbines are extensive. Wind turbine design tools usually consist of an aerodynamic model (for flow around the blades) coupled with a structural code. Aero-elastic models used in the design of fixed turbines calculate all the necessary loading parameters, from turbine thrust and power generation, to blade and tower deflections. The design of floating structures usually involves hydrodynamics tools such as WAMIT Inc.’s software for studying wave interactions wi

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21

Isaacson, Michael, and Kwok Fai Cheung. "Influence of added mass on ice impacts." Canadian Journal of Civil Engineering 15, no. 4 (August 1, 1988): 698–708. http://dx.doi.org/10.1139/l88-090.

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The present paper applies potential theory to describe the variation of the added mass of an iceberg and its coupling effects on an offshore structure for various separation distances up to the point of contact. The strengths and weaknesses of the proposed model are discussed together with its practical application in ice mass impact problems. An impact model based on dynamic analysis is developed to calculate the impact force and response of a structure for head-on collisions. Both the contact-point added mass estimated in the present study and the traditionally assumed far-field added mass a

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22

Huan, Vo Nguyen Phu, Indra Sati H. Harahap, and Wesam Salah Alaloul. "Modelling of Tsunami Due to Submarine Landslide by Smoothed Particle Hydrodynamics Method." MATEC Web of Conferences 203 (2018): 01001. http://dx.doi.org/10.1051/matecconf/201820301001.

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Submarine landslide is the most serious threat on both local and regional scales. By way of addition to destroying directly offshore structures, slope failures may also generate destructive tsunami waves. This study has developed a numerical model based on the Smoothed Particle Hydrodynamics (SPH) method to predict four stages of generation, propagation, run-up, and impact of tsunami phenomenon. The numerical predictions in the research were validated with results in the literature and experimental tests. The results of the physical and numerical results presented in this study effort to devel

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23

Isaacson, Michael, and Kwok Fai Cheung. "Correction factors for nonlinear runup and wave forces on a large cylinder." Canadian Journal of Civil Engineering 21, no. 5 (October 1, 1994): 762–69. http://dx.doi.org/10.1139/l94-082.

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A recently developed numerical method for second-order wave diffraction is summarized and is used to develop a simplified approach to predicting nonlinear runup and maximum wave loads for large coastal and offshore structures subjected to regular waves. The perturbation method on which the method is based is extended to provide correction factors for the runup and maximum loads. These correction factors apply directly to the predictions of linear diffraction theory, and are independent of the wave height. The correction factors for runup, maximum force and maximum overturning moment are provid

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24

Li, Qian, Yu Cao, Boyang Li, David M. Ingram, and Aristides Kiprakis. "Numerical Modelling and Experimental Testing of the Hydrodynamic Characteristics for an Open-Frame Remotely Operated Vehicle." Journal of Marine Science and Engineering 8, no. 9 (September 7, 2020): 688. http://dx.doi.org/10.3390/jmse8090688.

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The remotely operated vehicles (ROVs) are important to provide the technology support for both the traditional offshore structures and rapidly-growing renewable energy facilities during their full-lifecycles, such as site survey, installation, inspection, maintenance and repair. Regarding the motion and performance of a ROV, the understanding of its hydrodynamic properties is essential when exposing to the disturbances of wave and current. In this study, a numerical model is proposed within the frame of an open-source platform OpenFOAM. The hydrodynamics of the adopted ROV (BlueRov2) in its fo

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25

Yang, Yilin, and Jinzhao Li. "SPH-FE-Based Numerical Simulation on Dynamic Characteristics of Structure under Water Waves." Journal of Marine Science and Engineering 8, no. 9 (August 20, 2020): 630. http://dx.doi.org/10.3390/jmse8090630.

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Offshore structures are prone to produce a dynamic response under the effect of large wave load. In this paper, the smoothed particle hydrodynamics coupled with finite element (SPH-FE) method is used to investigate the dynamic characteristics of structure induced by the water waves. The dam break model is assumed to generate water wave. Firstly, the parameter of particle spacing included in the SPH method is examined and the appropriate value is proposed. Subsequently, the present numerical model is validated by comparing with the available results from the literature. Furthermore, the influen

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26

He, Jiayi, Huiyu Wu, Ren-Chuan Zhu, Chen-Jun Yang, and Francis Noblesse. "Practical flow-representations for arbitrary singularity-distributions in ship and offshore hydrodynamics, with applications to steady ship waves and wave diffraction-radiation by offshore structures." European Journal of Mechanics - B/Fluids 83 (September 2020): 24–41. http://dx.doi.org/10.1016/j.euromechflu.2020.04.001.

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27

Isaacson, Michael, and Qi-Hua Zuo. "Nonlinear wave forces on a circular cylinder." Canadian Journal of Civil Engineering 16, no. 2 (April 1, 1989): 182–87. http://dx.doi.org/10.1139/l89-033.

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Nonlinear wave forces on a surface-piercing vertical circular cylinder are considered using a time-stepping method previously developed which is based on Green's theorem. Possible improvements in the efficiency, accuracy, and stability of the method are considered. Results based on this method are compared with those obtained previously using perturbation methods as well as with experimental results. It is found that the time-stepping method adopted here is quite reasonable. Wave force coefficients are given as functions of the governing parameters of the problem and the importance of nonlinea

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28

Huan, Vo Nguyen Phu, and Indra Sati Hamonangan Harahap. "Simulation of Tsunami Wave Generated by Submarine Slide: Generation, Propagation, Run-Up and Impact." Applied Mechanics and Materials 752-753 (April 2015): 1269–74. http://dx.doi.org/10.4028/www.scientific.net/amm.752-753.1269.

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Submarine slides can trigger tsunamis with high affecting offshore structures, subsea facilities and human lives along the shoreline. Unfortunately, slide-generated tsunami is a difficult problem due to the source of sliding of mass failure by itself or by the other earthquakes. There are no effective numerical model that could simulate simultaneously all stages of generation, propagation, run-up and impact of tsunami phenomena. Physical understanding of slide tsunami hazards is very poor. We must understand substance of tsunami clearly and how to find methods to reduce damage from tsunami wav

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29

Isaacson, Michael, and Thomas Mathai. "High frequency hydrodynamic coefficients of vertical cylinders." Canadian Journal of Civil Engineering 19, no. 4 (August 1, 1992): 606–15. http://dx.doi.org/10.1139/l92-070.

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Alternative methods of calculating high frequency added masses and damping coefficients of vertical cylinders of arbitrary section are described. Damping coefficients are calculated by a short-wave approximation relating to the local form of waves generated by the oscillating structure. As an alternative, they are also obtained from the exciting forces of the related scattering problem, with these forces obtained by a geometrical optics approximation. Added masses are obtained by discarding the propagating mode and using only the evanescent modes which are free of irregular frequencies. They a

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30

McKiver, W. J., G. Sannino, F. Braga, and D. Bellafiore. "Investigation of model capability in capturing vertical hydrodynamic coastal processes: a case study in the north Adriatic Sea." Ocean Science 12, no. 1 (January 15, 2016): 51–69. http://dx.doi.org/10.5194/os-12-51-2016.

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Abstract. In this work we consider a numerical study of hydrodynamics in the coastal zone using two different models, SHYFEM (shallow water hydrodynamic finite element model) and MITgcm (Massachusetts Institute of Technology general circulation model), to assess their capability to capture the main processes. We focus on the north Adriatic Sea during a strong dense water event that occurred at the beginning of 2012. This serves as an interesting test case to examine both the models strengths and weaknesses, while giving an opportunity to understand how these events affect coastal processes, li

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31

Chemisky, Bertrand, Fabio Menna, Erica Nocerino, and Pierre Drap. "Underwater Survey for Oil and Gas Industry: A Review of Close Range Optical Methods." Remote Sensing 13, no. 14 (July 15, 2021): 2789. http://dx.doi.org/10.3390/rs13142789.

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In both the industrial and scientific fields, the need for very high-resolution cartographic data is constantly increasing. With the aging of offshore subsea assets, it is very important to plan and maintain the longevity of structures, equipment, and systems. Inspection, maintenance, and repair (IMR) of subsea structures are key components of an overall integrity management system that aims to reduce the risk of failure and extend the life of installations. The acquisition of very detailed data during the inspection phase is a technological challenge, especially since offshore installations a

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32

Renilson, M., J. E. Soholt, and G. Macfarlane. "RECENT DEVELOPMENTS IN OCEAN ENGINEERING EDUCATION." APPEA Journal 41, no. 1 (2001): 783. http://dx.doi.org/10.1071/aj00047.

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Ocean engineering is a broad branch of engineering covering all aspects of engineering associated with the design, construction and operation of fixed and floating structures in the marine environment. It differs from naval architecture which traditionally focusses on ships and related ocean vehicles, and is of relevance to engineers in the offshore oil and gas industry.The Australian Maritime College (AMC) commenced running Australia’s first Bachelor of Engineering (Ocean Engineering) degree in 1997, with the first students graduating in 2000. The program was designed to meet the growing need

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33

Kümmerer, Vincent, Teresa Drago, Cristina Veiga-Pires, Pedro F. Silva, Vitor Magalhães, Anxo Mena, Ana Lopes, et al. "Exploring Offshore Sediment Evidence of the 1755 CE Tsunami (Faro, Portugal): Implications for the Study of Outer Shelf Tsunami Deposits." Minerals 10, no. 9 (August 19, 2020): 731. http://dx.doi.org/10.3390/min10090731.

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Outer shelf sedimentary records are promising for determining the recurrence intervals of tsunamis. However, compared to onshore deposits, offshore deposits are more difficult to access, and so far, studies of outer shelf tsunami deposits are scarce. Here, an example of studying these deposits is presented to infer implications for tsunami-related signatures in similar environments and potentially contribute to pre-historic tsunami event detections. A multidisciplinary approach was performed to detect the sedimentary imprints left by the 1755 CE tsunami in two cores, located in the southern Po

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34

Scandura, Pietro, Carla Faraci, and Enrico Foti. "A numerical investigation of acceleration-skewed oscillatory flows." Journal of Fluid Mechanics 808 (November 4, 2016): 576–613. http://dx.doi.org/10.1017/jfm.2016.641.

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Numerical simulations of wall-bounded acceleration-skewed oscillatory flows are here presented. The relevance of this type of boundary layer arises in connection with coastal hydrodynamics and sediment transport, as it is generated at the bottom of sea waves in shallow water. Because of the acceleration skewness, the bed shear stress during the onshore half-cycle is larger than in the offshore half-cycle. The asymmetry in the bed shear stress increases with increasing acceleration skewness, while an increase of the Reynolds number from the laminar regime causes the asymmetry first to decrease

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35

Bouvier, Clément, Bruno Castelle, and Yann Balouin. "Modeling the Impact of the Implementation of a Submerged Structure on Surf Zone Sandbar Dynamics." Journal of Marine Science and Engineering 7, no. 4 (April 25, 2019): 117. http://dx.doi.org/10.3390/jmse7040117.

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Coastal defense strategies based on structures are increasingly unpopular as they are costly, leave lasting scars on the landscape, and sometimes have limited effectiveness or even adverse impacts. While a clear improvement concerning aesthetic considerations using soft submerged breakwater is undeniable, their design has often focused on wave transmission processes across the crest of the structure, overlooking short- to medium-term morphodynamic responses. In this study, we used a time- and depth-averaged morphodynamic model to investigate the impact of the implementation of a submerged brea

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36

McKiver, W. J., G. Sannino, F. Braga, and D. Bellafiore. "Investigation of model capability in capturing vertical hydrodynamic coastal processes: a case study in the North Adriatic Sea." Ocean Science Discussions 12, no. 4 (August 3, 2015): 1625–68. http://dx.doi.org/10.5194/osd-12-1625-2015.

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Abstract. In this work we consider a numerical study of hydrodynamics in the coastal zone using two different models, SHYFEM and MITgcm, to assess their capability to capture the main processes. We focus on the North Adriatic Sea during a strong dense water event that occurred at the beginning of 2012. This serves as an interesting test case to examine both the models strengths and weaknesses, while giving an opportunity to understand how these events affect coastal processes, like upwelling and downwelling, and how they interact with estuarine dynamics. Using the models we examine the impact

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37

Franz, Guilherme, Matthias T. Delpey, David Brito, Lígia Pinto, Paulo Leitão, and Ramiro Neves. "Modelling of sediment transport and morphological evolution under the combined action of waves and currents." Ocean Science 13, no. 5 (September 7, 2017): 673–90. http://dx.doi.org/10.5194/os-13-673-2017.

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Abstract. Coastal defence structures are often constructed to prevent beach erosion. However, poorly designed structures may cause serious erosion problems in the downdrift direction. Morphological models are useful tools to predict such impacts and assess the efficiency of defence structures for different scenarios. Nevertheless, morphological modelling is still a topic under intense research effort. The processes simulated by a morphological model depend on model complexity. For instance, undertow currents are neglected in coastal area models (2DH), which is a limitation for simulating the e

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38

Sokolov, Andrei, and Boris Chubarenko. "Case-Study Modelling Analysis of Hydrodynamics in the Nearshore of the Baltic Sea Forced by Extreme Along-shore Wind in the Case of a Cross-shore Obstacle." Archives of Hydro-Engineering and Environmental Mechanics 65, no. 3 (December 1, 2018): 163–76. http://dx.doi.org/10.1515/heem-2018-0011.

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AbstractIn the current study we use a three-dimensional model with hydrodynamic and spectral wave modules operating in a coupled mode to simulate the response of currents and wind wave fields to winds of 20–25 m/sec offshore of the protective structure of the Saint Petersburg Flood Prevention Facility Complex. The model was calibrated against field data, which allowed us to obtain a tool describing storm situations in the eastern part of the Gulf of Finland with a satisfactory accuracy. The numerical modeling showed that the protective dam did not have a noticeable effect on the levels of stor

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39

Yeh, Harry, and Nobuo Shuto. "Tsunami Forces and Effects on Structures." Journal of Disaster Research 4, no. 6 (December 1, 2009): 375–76. http://dx.doi.org/10.20965/jdr.2009.p0375.

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The 2004 Indian Ocean Tsunami claimed more than 220,000 lives. It was a low-probability high-consequence event. A similar disaster could strike elsewhere, particularly in the Pacific but also in Caribbean, Atlantic, and Mediterranean regions. Unlike in seismic ground shaking, there is usually a short lead-time precedes tsunami attack: from a few minutes for a local source to several hours for a distant source. Because mega-tsunamis are rare and because forewarning of these events is possible, the primary mitigation tactic to date has been evacuation. Hence, most efforts have focused on the dev

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40

Orszaghova, J., H. Wolgamot, S. Draper, R. Eatock Taylor, P. H. Taylor, and and A. Rafiee. "Transverse motion instability of a submerged moored buoy." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 475, no. 2221 (January 2019): 20180459. http://dx.doi.org/10.1098/rspa.2018.0459.

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Wave energy converters and other offshore structures may exhibit instability, in which one mode of motion is excited parametrically by motion in another. Here, theoretical results for the transverse motion instability (large sway oscillations perpendicular to the incident wave direction) of a submerged wave energy converter buoy are compared to an extensive experimental dataset. The device is axi-symmetric (resembling a truncated vertical cylinder) and is taut-moored via a single tether. The system is approximately a damped elastic pendulum. Assuming linear hydrodynamics, but retaining nonline

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41

Jin, Weixia, and Michael McCarthy. "BOLSA CHICA WETLANDS RESTORATION INLET DESIGN." Coastal Engineering Proceedings 1, no. 32 (February 2, 2011): 46. http://dx.doi.org/10.9753/icce.v32.management.46.

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Bolsa Chica Wetlands is one of a few recently restored large wetlands in Southern California of the United States. The project required restoration of tidal flooding of some isolated wetlands while minimizing impacts to the shoreline adjacent to the new inlet and maintenance costs, preserving endangered species on site, and maintaining oil field operations along the periphery of the project. The project created a direct connection to the ocean through wetland basins that included a full tidal basin, muted tidal basins and seasonal ponds linked by a series of ocean jetties, levees, water contro

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42

Fujino, Masataka, Hiroshim Kagemoto, Takashi Nakatubo, and Shinobu Nakatuka. "Hydrodynamic Characteristics of Permeable Offshore Structures." Journal of the Society of Naval Architects of Japan 1992, no. 172 (1992): 93–103. http://dx.doi.org/10.2534/jjasnaoe1968.1992.172_93.

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43

Rahman, M. "Nonlinear Hydrodynamic Loading on Offshore Structures." Theoretical and Computational Fluid Dynamics 10, no. 1-4 (January 1, 1998): 323–47. http://dx.doi.org/10.1007/s001620050067.

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44

Clauss, G. F., and L. Birk. "Hydrodynamic shape optimization of large offshore structures." Applied Ocean Research 18, no. 4 (August 1996): 157–71. http://dx.doi.org/10.1016/s0141-1187(96)00028-4.

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45

Chen, Xiaobo. "Offshore hydrodynamics and applications." IES Journal Part A: Civil & Structural Engineering 4, no. 3 (August 2011): 124–42. http://dx.doi.org/10.1080/19373260.2011.595903.

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46

Kim, Mun Sung, Kwang Hyo Jung, and Sung Boo Park. "WAVE INDUCED COUPLED MOTIONS AND STRUCTURAL LOADS BETWEEN TWO OFFSHORE FLOATING STRUCTURES IN WAVES." Brodogradnja 69, no. 3 (July 1, 2018): 149–73. http://dx.doi.org/10.21278/brod69309.

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As oil or gas field moves deeper offshore area, offshore offloading operations such as Tandem or Side-by-Side arrangement between two floating structures take place in many locations throughout the world and also have many hydrodynamic problems. Therefore, the researches on the motion response and hydrodynamic force including first and second order between two floating structures are needed to have the more safe offloading operability in waves. In this paper, prediction of wave induced motion responses and structural loads at mid-ship section with hydrodynamic interaction effect between two of

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47

Gudmestad, Ove T., and Geir Moe. "Hydrodynamic coefficients for calculation of hydrodynamic loads on offshore truss structures." Marine Structures 9, no. 8 (September 1996): 745–58. http://dx.doi.org/10.1016/0951-8339(95)00023-2.

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48

Sun, Keming, and Toyoaki Nogami. "Earthquake induced hydrodynamic pressure on axisymmetric offshore structures." Earthquake Engineering & Structural Dynamics 20, no. 5 (1991): 429–40. http://dx.doi.org/10.1002/eqe.4290200504.

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49

Zhou, Jifu, Ling Chen, and Xu Wang. "Hydrodynamic scaling and wave force estimation of offshore structures." Acta Mechanica Sinica 36, no. 6 (October 28, 2020): 1228–37. http://dx.doi.org/10.1007/s10409-020-01007-5.

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50

Avilés, Javier, and Xiangyue Li. "Hydrodynamic pressures on axisymmetric offshore structures considering seabed flexibility." Computers & Structures 79, no. 29-30 (November 2001): 2595–606. http://dx.doi.org/10.1016/s0045-7949(01)00125-0.

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