Review of hydroelasticity theories for global response of marine structures xujun chena,b,c, yousheng wub, weicheng cuib, j. Hydroelasticity of marine structures sciencedirect. Cambridge university press 0521017807 hydroelasticity of ships r. Expansion formulae for wave structure interaction problems with applications in hydroelasticity d. Since then the theory has been employed to predict the responses of a wide range of marine structures, such as mono and multihulled ships, offshore structures. Numerous and frequentlyupdated resource results are available from this search. Hydroelastic response of marine structures to impactinduced vibrations. Hydroelasticity is that branch of science which is concerned with the motion of deformable bodies through liquids. The tests were carried out for typical sailing speeds and wave conditions that would be encountered by the large ship at sea.
Theoretical and experimental contributions on risers of floating production platforms, cables, pipelines, flexible containers, seal bag system of surface effect ships, slamming on ships, whipping, and springing of ships, tlps and very large floating structures. He studied at dalian institute of technology now dalian university of technology and graduated in civil engineering in. In hydroelasticity theories the analysis of the wet structure is base d upon potential flow theory according to which the fluid domain, extending to infinite depth, is treated as invi scid. Hydroelastic response of marine structures to impact. Pdf design principles of ships and marine structures.
Wave induced global vibrations springing, whipping, ringing. Global hydroelastic analysis of ultra large container. Stochastic dynamics of marine structures by arvid naess. Price wu yousheng department of mechanical engineering, brunei university, uxbridge, middlesex, u. Pdf introduction to hydroelasticity of ships researchgate. Types of marine structures construction details and uses. Hydroelasticity has been introduced in ship seakeeping assessment for more than three decades, and it finally becomes an essential tool in marine industry for design of some types of ship. Analysis and design of marine structures or systems necessitates integration of hydrodynamics and structural mechanics. Trasaction of the society of naval architects and marine engineers, volume 111 2003. Analysis and design of marine structures v 1st edition. Investigations into hydroelasticity of ships commenced in the 1970s. Organized in five parts, the book covers basic structural design principles, strength, fatigue and fracture, and.
Sahoo international journal of engineeering science elsevier, if. Proceedings of the 7th international conference on. The application of threedimensional hydroelastic analysis. Hydroelasticity of a large floating wind turbine platform. A threedimensional hydroelasticity theory for ship. A towing tank experimental investigation was carried out using a segmented scaled model of a large ship prototype to study its behaviour when sailing in irregular head waves. Dynamic response of marine structures is another important discipline in marine technology, and six papers are found in this category. The hydroelastic analysis and sonoelastic analysis methods are incorporatedwith the greens function of the pekeris ocean hydroacoustic waveguide model to produce a threedimensional sonoelastic analysis method for ships in the ocean hydroacoustic environment.
He currently holds a guest professor position at harbin engineering university of china. The vertical plane motion of heave, pitch, and the accelerations at bow and stern, and the. The threedimensional hydroelasticity theory of ship structures in acoustic medium with the forward speed and the free surface effectj. Hydroelasticity concerns the combined uidstructure interaction for oating exible structures in waves. Experimental investigation of the behaviour of a large. The first part of the book provides a detailed introduction to the basic dynamic analysis of structures, serving as a. Analysis and design of marine structures v crc press book.
Hydroelasticity means that dynamic simulations require an integrated calculation of elastic deformations and hydrodynamic forces. Construction and uses of these types of marine structures is discussed. There are different types of marine structures constructed for various purposes. Mpi application of 3d hydroelasticity on a barge deployed above the uneven seabed ye lu1, zhan xu2, ye zhou1. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. He is best known for his contributions to the development of nonlinear water wave theories, hydroelasticity of very large floating structures, wave energy, and tsunami and storm impact on coastal bridges. Introduction to the analysis and design of offshore structures an overview n. Iii marine structures and materials yucheng li and linpu li encyclopedia of life support systems eolss professor yucheng li was born in shanghai, china on december 20, 1932. During the last three decades hydroelasticity has evolved from a theoretical concept at the outskirts of naval architecture to a mature science impacting all areas of marine technology.
Northholland iutam, 1985 311 hydroelasticity of marine structures w. Development of reliabilitybased classification rules for tankers, j. Investigations into hydroelasticity theory commenced in the 1970s. Different materials such as concrete, stone, timber, and steel have been used for construction of marine structure. This, as well as the structure s interaction with floating units, is a key factor in marine engineering.
One specificity of marine and offshore structures is that they are constantly subjected to waves throughout their operational lifetime. Mpi application of 3d hydroelasticity on a barge deployed. There are numerous practical problemsfloating structures involving hydroelastic type of hydrostructure interactions. Hydroelasticity analysis in frequency domain and time domain frank lin lloyds register applied technology group, halifax b3j3j8, canada abstract. Analysis and design of marine structures ebook, 2015. Hydroelastic analysis of plates and some approximations. Fluidstructure interaction of a large ice sheet in waves. These structures need to be designed in such a way that can withstand various. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. In proceedings of the 4th international conference on hydroelasticity in marine technology, wuxi, china, 1014 september 2006, beijing, china. This paper provides a broad overview of some of the key factors in the analysis and design of offshore structures to be considered by an engineer uninitiated in the field of offshore engineering. Predictions of ship extreme hydroelastic load responses in. An approximate hydroelastic model for wave and current induced response of a floating.
During the last three decades hydroelasticity has evolved from a theoretical concept to a mature science impacting all areas of marine technology. Larsen and others published mathematical modeling of marine structures find, read and cite all the research you need on researchgate. Wave induced dynamic response linear hydrodynamics. Practical implications of hydroelasticity in ship design. Review of hydroelasticity theories for global response of marine. Studies on sea ice hydroelasticity have mainly addressed the waveinduced ice deformation. Archival journals uc berkeley mechanical engineering.
Juncher jensenc aengineering institute of engineering corps, pla university of science and technology, nanjing 27, china bchina ship scienti. Review and introduction to hydroelasticity of ships synopsis up to date rule based methods used for the prediction o f w a v e i n d u c e d l o a d s, h a v e b e e n p r o v e n t o b e. In a hydroelastic analysis the uid forces and structural deformations are coupled to account for dynamic and kinematic e ects. Hydrodynamics of marine and offshore structures springerlink. My interests then, and the paper i presented, concerned hydroelasticity 1, 2. Design considerations for pile groups supporting marine. Analysis and design of marine structures v contains the papers presented at marstruct 2015, the 5 th international conference on marine structures southampton, uk, 2527 march 2015 the marstruct series of conferences started in glasgow, uk in 2007, the second event of the series took place in lisbon, portugal 2009, while the third was in hamburg, germany 2011. A dedicated conference on hydroelasticity in marine technology takes place once every three years, with the next one at southampton, in 2009. Cengiz ertekin is a professor of marine hydrodynamics and ocean engineering.
Hydroelasticity analysis in frequency domain and time domain. The seabed condition is represented by a penetrable boundary of prescribed density and sound speed. In this thesis the analysed structure is assumed to be beamlike and euler beam theory is. Haritos the university of melbourne, australia abstract.
Stochastic dynamics of marine structures is a text for students and a reference for professionals on the basic theory and methods used for stochastic modelling and analysis of marine structures subjected to environmental loads. Marine structural design, second edition, is a wideranging, practical guide to marine structural analysis and design, describing in detail the application of modern structural engineering principles to marine and offshore structures. It has since been employed to predict the responses of a wide range of marine structures, namely ships, offshore structures, vlfs and aquaculture structures. Hydroelasticity refers to either the resonant vibratory response of a. Mathematical model for ship hydroelastic analysis, comprised of structural. The 8th international conference on hydroelasticity in marine technology sep. Global hydroelastic analysis of ultra large container ships by improved beam structural model. Madjid karimirad, phd, is a senior lecturer in marine and coastal engineering in the school of natural and built environment, queens university belfast qub, united kingdom uk. Hydroelastic reponse of marine structures to impactinduced vibrations. International conference on computational methods in marine engineering. It is structure constructed to protect artificial harbors from the harm of waves. Unlike the open sea, the greatest feature of the marine environment near the island is the nonuniform complex.
Abstract the mode shapes of a segmented hull model towed in a model basin were. An overview of hydroelasticity of marine structures is given. Review of hydroelasticity theories for global response of. Constantine michailides, phd, is a lecturer of offshore structuresengineering in the civil engineering and geomatics department at cyprus university of technology, cyprus. Since then the theory has been employed to predict the responses of a wide range of marine structures, such as mono and multihulled ships, offshore structures, and vlfs. There has been significant recent progress in research into the hydroelastic phenomena, and the topic of. Nowadays, some floating structures with simple shapes such as barges near the reefs can be deployed as support bases. Ships and offshore structures may suffer serious structural damage among waves, and stresses in such damage conditions can be determined with the aid of hydroelasticity.
The authors aimed to change this and investigated how allowance for the hydroelasticity affects assessment of. Hydroelasticity is recognized as one of the main challenges in the design of modern merchant ships, such as ultra large container carriers and very large ore carriers. Since the early 1970s, the hydroelasticity theories have been employed to investigate the response behavior of ships and other marine structures travelling, freely floating or fixed in waves. There are three main types of break waters according to functionality. In japan, such structural damage for ships has been investigated extensively, and investigations for new types of offshore structures have concentrated on huge semisubmersibles. The hydrostatic stiffness of flexible floating structure for linear hydroelasticity. Since ships operate in unknown severe and highrisk environments, marine accidents due to structure failure may occur at seas. Extraction of the mode shapes of a segmented ship model. Introduction to the analysis and design of offshore.
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