Ultimate Strength Of Ship Structures Including Thermal And Corrosion Effects
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Ultimate Strength Of Ship Structures Including Thermal And Corrosion Effects
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Author : Ioannis Moatsos
language : en
Publisher:
Release Date : 2005
Ultimate Strength Of Ship Structures Including Thermal And Corrosion Effects written by Ioannis Moatsos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Corrosion and anti-corrosives categories.
Time Variant Ultimate Strength Reliability Assessment Of Ship Hulls Considering Corrosion And Fatigue
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Author : Jianwei Bai
language : en
Publisher:
Release Date : 2006
Time Variant Ultimate Strength Reliability Assessment Of Ship Hulls Considering Corrosion And Fatigue written by Jianwei Bai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Analysis And Assessment Of Major Uncertainties Associated With Ship Hull Ultimate Failure
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Author : P. Kaplan
language : en
Publisher:
Release Date : 1984
Analysis And Assessment Of Major Uncertainties Associated With Ship Hull Ultimate Failure written by P. Kaplan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Hulls (Naval architecture) categories.
The different uncertainties associated with ship longitudinal strength and external loading are reviewed when considering probabilistic analysis and design. The uncertainties are represented in the form of coefficients of variation, where that information can then be used in evaluation of the safety index and/or related quantities used for determination of structural failure probability. The emphasis is directed toward longitudinal strength, with the failure mode due to ultimate compression failure as the major consideration. Numerical values for coefficients of variation are found by data analysis and computation for different types of loads (wave-induced, springing, slamming, etc.) together with suggested means of determining the uncertainty for the combined loads acting on a ship. Methods for determining ship strength uncertainties are examined, with application to modern commercial ships illustrating the important prospective failure mechanisms and the limits of present mathematical models in predicting such failures. Proposed procedures for determining uncertainties for such ship structures by use of computationally efficient numerical computer programs are described. Keywords: Probabilistic design; Ship longitudinal strength; Load variability; and Hull girder failure.
Strength Of Ships And Ocean Structures
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Author : Alaa Mansour
language : en
Publisher: Society of Naval Architects & Marine Engineers
Release Date : 2008
Strength Of Ships And Ocean Structures written by Alaa Mansour and has been published by Society of Naval Architects & Marine Engineers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Architecture navale categories.
This volume addresses several topics of ship strength in greater depth than in the previous edition of PNA, bringing much of the material up to date and introducing some new subjects. There is extensive coverage of the latest developments in dynamic sea load predictions, including nonlinear load effects, slamming and impact plus new sections on the mechanics of collisions and grounding.
Hull Girder Ultimate Strength And Fracture Toughness Of Damaged Marine Structures
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Author : Özgür Özgüç
language : en
Publisher:
Release Date : 2006
Hull Girder Ultimate Strength And Fracture Toughness Of Damaged Marine Structures written by Özgür Özgüç and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
This thesis addresses the structural performance of the hull structure of a vessel in extreme response state of a combined loading consisting of vertical and horizontal moments for intact and damaged conditions, where fracture mechanics of ships with large damage openings are investigated in great detail. The motivation for conducting this research task is the importance of the ultimate and post-ultimate strength in relation to the reliability of intact as well as damaged vessels. Moreover, in an emergency situation, knowledge of the structural capacity of the vessel in whatever damaged or intact condition it may be in, is crucial to allow for a rational decision to be made regarding possible salvage, or at worst disembarkation of the crew, in the interest of safety for human life, environmental protection, and capital investment. To facilitate these requirements, the overall objective of the present research therefore becomes to build a rapid computer based analysis tool for calculation of the ultimate and post-ultimate capacity of the hull girder in intact and damaged states of combined bending moment loading. Then, to verify the accuracy of the procedure developed against available experimental results and by comparison with other theoretical results. To meet this objective essentially requires five sub-tasks to be completed. Hence, the scope of the work to be carried out becomes - A study of literature for the available methods usable to evaluate the ultimate and post-ultimate capacity of the stiffened plates - Developing the new simple design equations for predicting the ultimate strength of stiffened plates with imperfections in the form of imperfections, where a non-linear finite element method is employed on a wide range of typical ship panel geometries. The new simplified analytical method must be generalized to deal with such combined load cases. The performance of the proposed equations must be also verified by experimental results. - Establishing a rapid computer code based on simplified formulas developed for calculation of the ultimate capacity of the hull girder. This program must be capable of considering initial imperfections and must be compared with other theoretical approaches developed. - The influence of the coupled bending moment on the intact & damaged ship structures must be extensively investigated. The rational interaction equations must be developed, which based on the extensive ship types. - Accidents such as collision, grounding and explosions occur and can have major consequences to the ship structure. The effect of such large damages on the hull girder must be assessed under time pressure. The recent accident with the PRESTIGE shows the importance of being able to reliably assess the longitudinal strength of damaged vessels. The procedures for this must be developed. A major drawback is lack of knowledge of the failure mechanism that may play a role in such circumstances. Therefore, the fracture mechanism of damaged ships is essential. Key effects must be identified and if possible, included in the procedure. When these five points have been addressed, and the objectives solved, all that is needed for the development of a computer code for the ultimate strength. The remaining final task will thus to be benchmark the code against available experimental results and other theoretical methods.
Ships And Offshore Structures Xix
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Author : Carlos Guedes Soares
language : en
Publisher: CRC Press
Release Date : 2015-09-03
Ships And Offshore Structures Xix written by Carlos Guedes Soares and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-03 with Technology & Engineering categories.
This three-volume work presents the proceedings from the 19th International Ship and Offshore Structures Congress held in Cascais, Portugal on 7th to 10th September 2015. The International Ship and Offshore Structures Congress (ISSC) is a forum for the exchange of information by experts undertaking and applying marine structural research.The aim of
Trends In The Analysis And Design Of Marine Structures
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Author : Carlos Guedes Soares
language : en
Publisher: CRC Press
Release Date : 2019-04-15
Trends In The Analysis And Design Of Marine Structures written by Carlos Guedes Soares and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-15 with Technology & Engineering categories.
Trends in the Analysis and Design of Marine Structures is a collection of the papers presented at MARSTRUCT 2019, the 7th International Conference on Marine Structures held in Dubrovnik, Croatia, 6-8 May 2019. The MARSTRUCT series of Conferences started in Glasgow, UK in 2007, the second event of the series having taken place in Lisbon, Portugal in March 2009, the third in Hamburg, Germany in March 2011, the fourth in Espoo, Finland in March 2013, the fifth in Southampton, UK in March 2015, and the sixth in Lisbon, Portugal in May 2017. This Conference series specialises in dealing with Ships and Offshore Structures, addressing topics in the fields of: - Methods and Tools for Loads and Load Effects - Methods and Tools for Strength Assessment - Experimental Analysis of Structures - Materials and Fabrication of Structures - Methods and Tools for Structural Design and Optimisation - Structural Reliability, Safety and Environmental Protection. Trends in the Analysis and Design of Marine Structures is an essential document for academics, engineers and all professionals involved in the area of analysis and design of Ships and Offshore Structures. About the series: The ‘Proceedings in Marine Technology and Ocean Engineering’ series is devoted to the publication of proceedings of peer-reviewed international conferences dealing with various aspects of ‘Marine Technology and Ocean Engineering’. The Series includes the proceedings of the following conferences: the International Maritime Association of the Mediterranean (IMAM) conferences, the Marine Structures (MARSTRUCT) conferences, the Renewable Energies Offshore (RENEW) conferences and the Maritime Technology (MARTECH) conferences. The ‘Marine Technology and Ocean Engineering’ series is also open to new conferences that cover topics on the sustainable exploration and exploitation of marine resources in various fields, such as maritime transport and ports, usage of the ocean including coastal areas, nautical activities, the exploration and exploitation of mineral resources, the protection of the marine environment and its resources, and risk analysis, safety and reliability. The aim of the series is to stimulate advanced education and training through the wide dissemination of the results of scientific research.
Handbook Of Structural Life Assessment
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Author : Raouf A. Ibrahim
language : en
Publisher: John Wiley & Sons
Release Date : 2017-03-29
Handbook Of Structural Life Assessment written by Raouf A. Ibrahim and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-29 with Technology & Engineering categories.
This important, self-contained reference deals with structural life assessment (SLA) and structural health monitoring (SHM) in a combined form. SLA periodically evaluates the state and condition of a structural system and provides recommendations for possible maintenance actions or the end of structural service life. It is a diversified field and relies on the theories of fracture mechanics, fatigue damage process, and reliability theory. For common structures, their life assessment is not only governed by the theory of fracture mechanics and fatigue damage process, but by other factors such as corrosion, grounding, and sudden collision. On the other hand, SHM deals with the detection, prediction, and location of crack development online. Both SLA and SHM are combined in a unified and coherent treatment.
Analysis Of Slamming Induced Whipping Effects Over The Ultimate Strength Of Ships
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Author : George Jagite
language : en
Publisher:
Release Date : 2020
Analysis Of Slamming Induced Whipping Effects Over The Ultimate Strength Of Ships written by George Jagite and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
The first part of this thesis is dedicated to the numerical investigations of dynamic ultimate strength for various ship structures. In order to analyze the influence of the inertia and strain rate effects, different load functions are used, starting from the simplest ones where the loads are defined as half-sine functions, to more realistic ones where the loads are induced by equivalent design waves. The dynamic ultimate strength is defined as the maximum load level that leads to a non-collapse scenario, and it is determined through a newly developed iterative algorithm. Finally, the dynamic ultimate strength is compared with the quasi-static ultimate strength, and the dynamic load factors are derived in order to obtain a proper estimator of the dynamic collapse effect. The second part of the thesis is dedicated to the development of a new method to calculate the non-linear whipping response, where the elastoplastic structural response is considered. The hull girder is modeled as two non-uniform beams, connected with a non-linear hinge, described by the non-linear relation between the internal bending moment and the relative rotation angle. The hydrodynamic problem is solved using the 3D boundary element method. Then, the fully coupled hydro-elastoplastic problem is solved within a partly non-linear time-domain seakeeping program. The calculations are perfomed on a broad range of ships on different realistic loading scenarios Finally, the non-linear and linear whipping resposnes are compared in order to derive the dynamic ultimate capacity factors.
Developments In Maritime Transportation And Exploitation Of Sea Resources
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Author : Carlos Guedes Soares
language : en
Publisher: CRC Press
Release Date : 2013-10-07
Developments In Maritime Transportation And Exploitation Of Sea Resources written by Carlos Guedes Soares and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-07 with Technology & Engineering categories.
Covering recent developments in maritime transportation and exploitation of sea resources, encompassing ocean and coastal areas, this book is intended for academics and professionals involved in the development of marine transportation and the exploitation of sea resources.