Nonlinear Waves And Offshore Structures

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Nonlinear Waves and Offshore Structures

Author : Cheung Hun Kim
Publisher : World Scientific
ISBN 13 : 9810248849
Total Pages : 539 pages
Book Rating : 4.8/5 (12 download)

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Book Synopsis Nonlinear Waves and Offshore Structures by : Cheung Hun Kim

Download or read book Nonlinear Waves and Offshore Structures written by Cheung Hun Kim and published by World Scientific. This book was released on 2008 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: The responses of offshore structures are significantly affected by steep nonlinear waves, currents and wind, leading to phenomena such as springing and ringing of TLPs, slow drift yaw motion of FPSOs and large oscillations of Spar platforms due to vortex shedding. Research has brought about significant progress in this field over the past few decades and introduced us to increasingly involved concepts and their diverse applicability. Thus, an in-depth understanding of steep nonlinear waves and their effects on the responses of offshore structures is essential for safe and effective designs.This book deals with analyses of nonlinear problems encountered in the design of offshore structures, as well as those that are of immediate practical interest to ocean engineers and designers. It presents conclusions drawn from recent research pertinent to nonlinear waves and their effects on the responses of offshore structures. Theories, observations and analyses of laboratory and field experiments are expounded such that the nonlinear effects can be clearly visualized.

Nonlinear Dynamics of Compliant Offshore Structures

Author : Patrick Bar-Avi
Publisher : Routledge
ISBN 13 : 1351428233
Total Pages : 125 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Nonlinear Dynamics of Compliant Offshore Structures by : Patrick Bar-Avi

Download or read book Nonlinear Dynamics of Compliant Offshore Structures written by Patrick Bar-Avi and published by Routledge. This book was released on 2017-12-04 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph provides a general background to the modelling of a special class of offshore structures known as compliant structures. External forcing is resisted by buoyancy and tension forces which increase when the structure is slightly offset from its equilibrium. The technical development given in this book is presented in such a way as to highlight the adaptability of the modelling, and the reader is shown how the techniques described can be applied to a variety of different offshore structures.

Nonlinear Dynamics of Compliant Offshore Structures

Author : Patrick Bar-Avi
Publisher : Routledge
ISBN 13 : 1351428241
Total Pages : 181 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Nonlinear Dynamics of Compliant Offshore Structures by : Patrick Bar-Avi

Download or read book Nonlinear Dynamics of Compliant Offshore Structures written by Patrick Bar-Avi and published by Routledge. This book was released on 2017-12-04 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph provides a general background to the modelling of a special class of offshore structures known as compliant structures. External forcing is resisted by buoyancy and tension forces which increase when the structure is slightly offset from its equilibrium. The technical development given in this book is presented in such a way as to highlight the adaptability of the modelling, and the reader is shown how the techniques described can be applied to a variety of different offshore structures.

Nonlinear Methods in Offshore Engineering

Author : Subrata Kumar Chakrabarti
Publisher : Elsevier Publishing Company
ISBN 13 :
Total Pages : 572 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nonlinear Methods in Offshore Engineering by : Subrata Kumar Chakrabarti

Download or read book Nonlinear Methods in Offshore Engineering written by Subrata Kumar Chakrabarti and published by Elsevier Publishing Company. This book was released on 1990 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to report the state-of-the-art of the available and emerging techniques for the determination of extreme responses of a marine structure. This book is intended to be a textbook on the analysis of nonlinear problems generally encountered in an offshore structure design. The book stresses the application of nonlinear theories to practical design problems.

Nonlinear and Stochastic Dynamics of Compliant Offshore Structures

Author : Seon Mi Han
Publisher : Springer Science & Business Media
ISBN 13 : 9401599122
Total Pages : 281 pages
Book Rating : 4.4/5 (15 download)

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Book Synopsis Nonlinear and Stochastic Dynamics of Compliant Offshore Structures by : Seon Mi Han

Download or read book Nonlinear and Stochastic Dynamics of Compliant Offshore Structures written by Seon Mi Han and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this monograph is to show how a compliant offshore structure in an ocean environment can be modeled in two and three di mensions. The monograph is divided into five parts. Chapter 1 provides the engineering motivation for this work, that is, offshore structures. These are very complex structures used for a variety of applications. It is possible to use beam models to initially study their dynamics. Chapter 2 is a review of variational methods, and thus includes the topics: princi ple of virtual work, D'Alembert's principle, Lagrange's equation, Hamil ton's principle, and the extended Hamilton's principle. These methods are used to derive the equations of motion throughout this monograph. Chapter 3 is a review of existing transverse beam models. They are the Euler-Bernoulli, Rayleigh, shear and Timoshenko models. The equa tions of motion are derived and solved analytically using the extended Hamilton's principle, as outlined in Chapter 2. For engineering purposes, the natural frequencies of the beam models are presented graphically as functions of normalized wave number and geometrical and physical pa rameters. Beam models are useful as representations of complex struc tures. In Chapter 4, a fluid force that is representative of those that act on offshore structures is formulated. The environmental load due to ocean current and random waves is obtained using Morison's equa tion. The random waves are formulated using the Pierson-Moskowitz spectrum with the Airy linear wave theory.

Wave Forces on Offshore Structures

Author : Turgut Sarpkaya
Publisher : Cambridge University Press
ISBN 13 : 0521896258
Total Pages : 337 pages
Book Rating : 4.5/5 (218 download)

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Book Synopsis Wave Forces on Offshore Structures by : Turgut Sarpkaya

Download or read book Wave Forces on Offshore Structures written by Turgut Sarpkaya and published by Cambridge University Press. This book was released on 2010-02-26 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a thorough understanding of the interaction of waves and currents with offshore structures.

Hydrodynamics of Offshore Structures

Author : Subrata Kumar Chakrabarti
Publisher : WIT Press
ISBN 13 : 090545166X
Total Pages : 459 pages
Book Rating : 4.9/5 (54 download)

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Book Synopsis Hydrodynamics of Offshore Structures by : Subrata Kumar Chakrabarti

Download or read book Hydrodynamics of Offshore Structures written by Subrata Kumar Chakrabarti and published by WIT Press. This book was released on 1987 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of hydrodynamics applied to offshore structures is vast. The topics covered in this book aim to help the reader understand basic principles while at the same time giving the designer enough information for particular designs. Thus, results are given with derivations, and applications are discussed with the aid of examples, with an overview of the advantages and limitations of the method involved. This makes the book suitable as a text for undergraduate and graduate students specializing in offshore and ocean engineering.

An Integrated Nonlinear Wind-Waves Model for Offshore Wind Turbines

Author : Enzo Marino
Publisher : Firenze University Press
ISBN 13 : 8866550515
Total Pages : 232 pages
Book Rating : 4.8/5 (665 download)

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Book Synopsis An Integrated Nonlinear Wind-Waves Model for Offshore Wind Turbines by : Enzo Marino

Download or read book An Integrated Nonlinear Wind-Waves Model for Offshore Wind Turbines written by Enzo Marino and published by Firenze University Press. This book was released on 2010 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a numerical model capable of simulating offshore wind turbines exposed to extreme loading conditions. External condition-based extreme responses are reproduced by coupling a fully nonlinear wave kinematic solver with a hydro-aero-elastic simulator. First, a two-dimensional fully nonlinear wave simulator is developed. The transient nonlinear free surface problem is formulated assuming the potential theory and a high-order boundary element method is implemented to discretize Laplace's equation. For temporal evolution a second-order Taylor series expansion is used. The code, after validation with experimental data, is successfully adopted to simulate overturning plunging breakers which give rise to dangerous impact loads when they break against wind turbine substructures. Emphasis is then placed on the random nature of the waves. Indeed, through a domain decomposition technique a global simulation framework embedding the numerical wave simulator into a more general stochastic environment is developed. The proposed model is meant as a contribution to meet the more and more pressing demand for research in the offshore wind energy sector as it permits taking into account dangerous effects on the structural response so as to increase the global structural safety level.

Nonlinear Analysis of Offshore Structures

Author : Skallerud
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (12 download)

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Book Synopsis Nonlinear Analysis of Offshore Structures by : Skallerud

Download or read book Nonlinear Analysis of Offshore Structures written by Skallerud and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Offshore Structure Modeling

Author : Subrata Kumar Chakrabarti
Publisher : World Scientific
ISBN 13 : 9810215134
Total Pages : 494 pages
Book Rating : 4.8/5 (12 download)

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Book Synopsis Offshore Structure Modeling by : Subrata Kumar Chakrabarti

Download or read book Offshore Structure Modeling written by Subrata Kumar Chakrabarti and published by World Scientific. This book was released on 1994 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: While the existing literature on offshore structures touch on model testing, a comprehensive text discussing the design, construction, instrumentation, testing and analysis of the physical model is lacking. This book fills that vacuum and provides, through its survey of the theoretical and practical aspects of physical modeling, an in-depth coverage of the technology of model testing. Its usefulness runs through the entire field of engineering, reaching far beyond its focus on offshore construction; and its breadth of scope should appeal not only to engineers and naval architects but to scientists interested in structural or hydraulic testing as well.

Advances in Numerical Simulation of Nonlinear Water Waves

Author : Qingwei Ma
Publisher : World Scientific
ISBN 13 : 9812836500
Total Pages : 700 pages
Book Rating : 4.8/5 (128 download)

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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

Dynamic Analysis and Design of Offshore Structures

Author : Srinivasan Chandrasekaran
Publisher : Springer
ISBN 13 : 9811060894
Total Pages : 422 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Dynamic Analysis and Design of Offshore Structures by : Srinivasan Chandrasekaran

Download or read book Dynamic Analysis and Design of Offshore Structures written by Srinivasan Chandrasekaran and published by Springer. This book was released on 2017-10-12 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces readers to various types of offshore platform geometries. It addresses the various environmental loads encountered by these structures, and provides detailed descriptions of the fundamentals of structural dynamics in a classroom style, helping readers estimate damping in offshore structures and grasp these aspects’ applications in preliminary analysis and design. Basic concepts of structural dynamics are emphasized through simple illustrative examples and exercises. Design methodologies and guidelines, which are FORM based concepts, are explained through a selection of applied sample structures. Each chapter also features tutorials and exercises for self-learning. A dedicated chapter on stochastic dynamics helps students to extend the basic concepts of structural dynamics to this advanced domain of research. Hydrodynamic response of offshore structures with perforated members is one of the most recent research applications, and has proven to be one of the most effective means of retrofitting offshore structures. In addition, the book integrates the concepts of structural dynamics with the FORM-evolved design of offshore structures, offering a unique approach. This new edition is divided into seven chapters, each of which has been updated. Each chapter also includes a section on frequently asked Questions and Answers (Q&A), which enhances understanding of this complex subject through easy and self-explanatory text. Furthermore, the book presents valuable content with respect to new and recent research carried out by the author in structural dynamics. All numeric examples have been re-checked with more additional explanations. New exercises have been added to improve understanding of the subject matter. Computer coding is also included (wherever possible) to aid computer-based learning of the contents of the book. The book can serve as a textbook for senior undergraduate and graduate courses in civil, structural, applied mechanics, mechanical, aerospace, naval architecture and ocean engineering programs. The book can also serve as a text for professional learning and development programs or as a guide for practicing and consulting offshore structural engineers. The contents of this book will be useful to graduate students, researchers, and professionals alike.

Dynamics of Offshore Structures

Author : James F. Wilson
Publisher : John Wiley & Sons
ISBN 13 : 0471275654
Total Pages : 343 pages
Book Rating : 4.4/5 (712 download)

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Book Synopsis Dynamics of Offshore Structures by : James F. Wilson

Download or read book Dynamics of Offshore Structures written by James F. Wilson and published by John Wiley & Sons. This book was released on 2003-01-03 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unique, cutting-edge material on structural dynamics and natural forces for offshore structures Using the latest advances in theory and practice, Dynamics of Offshore Structures, Second Edition is extensively revised to cover all aspects of the physical forces, structural modeling, and mathematical methods necessary to effectively analyze the dynamic behavior of offshore structures. Both closed-form solutions and the Mathematica(r) software package are used in many of the up-to-date example problems to compute the deterministic and stochastic structural responses for such offshore structures as buoys; moored ships; and fixed-bottom, cable-stayed, and gravity-type platforms. Throughout the book, consideration is given to the many assumptions involved in formulating a structural model and to the natural forces encountered in the offshore environment. These analyses focus on plane motions of elastic structures with linear and nonlinear restraints, as well as motions induced by the forces of currents, winds, earthquakes, and waves, including the latest theories and information on wave mechanics. Topics addressed include multidegree of freedom linear structures, continuous system analysis (including the motion of cables and pipelines), submerged pile design, structural modal damping, fluid-structure-soil interactions, and single degree of freedom structural models that, together with plane wave loading theories, lead to deterministic or time history predictions of structural responses. These analyses are extended to statistical descriptions of both wave loading and structural motion. Dynamics of Offshore Structures, Second Edition is a valuable text for students in civil and mechanical engineering programs and an indispensable resource for structural, geotechnical, and construction engineers working with offshore projects.

Dynamic Analysis of Non-Linear Structures by the Method of Statistical Quadratization

Author : M.G. Donley
Publisher : Springer Science & Business Media
ISBN 13 : 3642467156
Total Pages : 184 pages
Book Rating : 4.6/5 (424 download)

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Book Synopsis Dynamic Analysis of Non-Linear Structures by the Method of Statistical Quadratization by : M.G. Donley

Download or read book Dynamic Analysis of Non-Linear Structures by the Method of Statistical Quadratization written by M.G. Donley and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. 1 Introduction As offshore oil production moves into deeper water, compliant structural systems are becoming increasingly important. Examples of this type of structure are tension leg platfonns (TLP's), guyed tower platfonns, compliant tower platfonns, and floating production systems. The common feature of these systems, which distinguishes them from conventional jacket platfonns, is that dynamic amplification is minimized by designing the surge and sway natural frequencies to be lower than the predominant frequencies of the wave spectrum. Conventional jacket platfonns, on the other hand, are designed to have high stiffness so that the natural frequencies are higher than the wave frequencies. At deeper water depths, however, it becomes uneconomical to build a platfonn with high enough stiffness. Thus, the switch is made to the other side of the wave spectrum. The low natural frequency of a compliant platfonn is achieved by designing systems which inherently have low stiffness. Consequently, the maximum horizontal excursions of these systems can be quite large. The low natural frequency characteristic of compliant systems creates new analytical challenges for engineers. This is because geometric stiffness and hydrodynamic force nonlinearities can cause significant resonance responses in the surge and sway modes, even though the natural frequencies of these modes are outside the wave spectrum frequencies. High frequency resonance responses in other modes, such as the pitch mode of a TLP, are also possible.

IUTAM Symposium on Fluid-Structure Interaction in Ocean Engineering

Author : Edwin Kreuzer
Publisher : Springer Science & Business Media
ISBN 13 : 140208630X
Total Pages : 347 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis IUTAM Symposium on Fluid-Structure Interaction in Ocean Engineering by : Edwin Kreuzer

Download or read book IUTAM Symposium on Fluid-Structure Interaction in Ocean Engineering written by Edwin Kreuzer and published by Springer Science & Business Media. This book was released on 2008-06-28 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the IUTAM Symposium on Fluid- Structure Interaction in Ocean Engineering, held in Hamburg, July 23-26, 2007. The study of gravity driven water waves interacting with fixed or freely floating objects is an active and important field of research in ocean engineering. The accurate prediction of large amplitude ship motions or of marine structures in severe seas is still a delicate problem in the field of fluid-structure interaction. While three-dimensional panel methods have reached the state of maturity in linear sea-keeping analysis, the original problem, governed by strongly nonlinear boundary conditions, is far from being solved efficiently. The principal nonlinearities are associated with the variable wetted surface of the ship hull or the floating body and with the nonlinear hydrodynamic conditions on the free surface. Moreover, marine structures often must be modelled as multibody systems rather than a single body. This causes additional problems due to wave slamming on floating and fixed structures. Furthermore, problems such as coupled structural behavior of submerged or floating systems as well as various wind effects have to be considered for the proper design of offshore systems. This book collects contributions from leading scientists working on the following topics: Ocean waves, probabilistic models of sea waves, fluid-loading on structures including pipes, cables, drill-strings etc., behavior of floating systems, stability and capsizing of ships, coupled structural behavior, sloshing in tanks, CFD validation and verification.

Mechanics of Wave Forces on Offshore Structures

Author : Turgut Sarpkaya
Publisher :
ISBN 13 :
Total Pages : 682 pages
Book Rating : 4.:/5 (42 download)

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Book Synopsis Mechanics of Wave Forces on Offshore Structures by : Turgut Sarpkaya

Download or read book Mechanics of Wave Forces on Offshore Structures written by Turgut Sarpkaya and published by . This book was released on 1981 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Trends in the Analysis and Design of Marine Structures

Author : Carlos Guedes Soares
Publisher : CRC Press
ISBN 13 : 1000024369
Total Pages : 652 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Trends in the Analysis and Design of Marine Structures by : Carlos Guedes Soares

Download or read book Trends in the Analysis and Design of Marine Structures written by Carlos Guedes Soares and published by CRC Press. This book was released on 2019-04-15 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.