Design Aspects Of The Hydrodynamic And Structural Loading On Floating Offshore Platforms Under Wave Excitation


Design Aspects Of The Hydrodynamic And Structural Loading On Floating Offshore Platforms Under Wave Excitation
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Wind Energy Methods For Computation Of Wave Forcing And The Resulting Motion Of A Slender Offshore Floating Structure


Wind Energy Methods For Computation Of Wave Forcing And The Resulting Motion Of A Slender Offshore Floating Structure
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Author : Olga Glöckner
language : en
Publisher: GRIN Verlag
Release Date : 2018-07-19

Wind Energy Methods For Computation Of Wave Forcing And The Resulting Motion Of A Slender Offshore Floating Structure written by Olga Glöckner and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-19 with Technology & Engineering categories.


Academic Paper from the year 2014 in the subject Engineering - Civil Engineering, grade: 1,0, University of Hannover (A&M University Texas, Ludwig-Franzius-Institut für Wasserbau, Ästuar- und Küsteningenieurwesen), language: English, abstract: This thesis investigates how wave loads act on an OC3 Hywind spar-buoy. The author analyzes the resulting motions of the support platform. This work also contains a detailed presentation of the topic with useful additional information and graphics. Unlike fossil fuels (like oil, coal and natural gas), wind energy is a renewable energy resource. Since winds at sea are stronger and more consistent than onshore winds, the demand for offshore wind turbines has increased over the last years. As energy can be produced more efficient in deeper water, several floating offshore wind turbine constructions, such as the OC3 Hywind spar-buoy, have been proposed. The design of floating wind turbines depends on the simulation of the system behavior caused by exciting forces. A general overview of regular and irregular waves as well as hydrostatic and hydrodynamic loads acting on floating structures is given in chapter 2. Furthermore, essential formulations for calculating motions of FOWTs are given at the end of this chapter. Since all simulations carried out in this thesis are based on the OC3 Hywind concept, detailed information about this floating wind turbine model are given in chapter 3. Three different methods are used for the estimation of wave induced loads and motions. Section 4 describes a modified Morison formulation in the time domain which is applied by the commercially available software MATLAB. On the basis of the diffraction theory the commercial offshore software package SESAM simulates wave excitation forces and responding motions which are presented and discussed in chapter 5. The third method is the open source code FAST that computes wave induced loads and motions based on the first-order potential theory and Kane’s equation of motion. Basic formulations used in FAST and essential hydrodynamic results are shown in chapter 6. The comparisons between the simulations of the three programs are represented and the individual results are analyzed in chapter 7.



Proceedings Of The International Conference On Offshore Mechanics And Arctic Engineering


Proceedings Of The International Conference On Offshore Mechanics And Arctic Engineering
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Author :
language : en
Publisher:
Release Date : 2006

Proceedings Of The International Conference On Offshore Mechanics And Arctic Engineering written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Arctic regions categories.




Comparison Of Methods For The Computation Of Wave Forcing


Comparison Of Methods For The Computation Of Wave Forcing
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Author : Olga Glöckner
language : en
Publisher: GRIN Verlag
Release Date : 2018-05-18

Comparison Of Methods For The Computation Of Wave Forcing written by Olga Glöckner and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-18 with Technology & Engineering categories.


Presentation slides from the year 2014 in the subject Engineering - Civil Engineering, grade: 1,0, University of Hannover, language: English, abstract: Unlike fossil fuels (e.g. oil, coal and natural gas), wind energy is a renewable energy resource. Since winds at sea are stronger and more consistent than onshore winds, the demand for offshore wind turbines has increased over the last years. As energy can be produced more efficient in deeper water, several floating offshore wind turbine constructions, such as the OC3 Hywind spar-buoy, have been proposed. The design of floating wind turbines depends on the simulation of the system behavior caused by exciting forces. This thesis deals with the comparison between different methods for calculating wave forces and resulting platform motions of a floating offshore wind turbine. On the one hand, wave exciting loads computed with Morison’s equation are compared to the hydrodynamic forces simulated by the open source code FAST on the basis of the diffraction theory. On the other hand, response motions of the floating structure are simulated by the commercial offshore software SESAM in the frequency domain and compared with the motions calculated by FAST in the time domain.



Dynamics Of Offshore Structures


Dynamics Of Offshore Structures
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Author : Minoo H. Patel
language : en
Publisher: Butterworth-Heinemann
Release Date : 1989

Dynamics Of Offshore Structures written by Minoo H. Patel and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Offshore structures categories.


A textbook for upper division or graduate students of ocean or naval engineering presenting the main subject areas that contribute to the design, construction, installation and operation of fixed and floating offshore structures, with emphasis on the fundamentals of oceanography, basic fluid mechanics, wave theory, hydrodynamics, naval architecture and structural analysis. Annotation copyrighted by Book News, Inc., Portland, OR



Proceedings Offshore Technology Conference


Proceedings Offshore Technology Conference
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Author :
language : en
Publisher:
Release Date : 1999

Proceedings Offshore Technology Conference written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Marine resources categories.




Marine Design Xiii


Marine Design Xiii
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Author : Pentti Kujala
language : en
Publisher: CRC Press
Release Date : 2018-06-11

Marine Design Xiii written by Pentti Kujala and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-11 with Technology & Engineering categories.


Marine Design XIII collects the contributions to the 13th International Marine Design Conference (IMDC 2018, Espoo, Finland, 10-14 June 2018). The aim of this IMDC series of conferences is to promote all aspects of marine design as an engineering discipline. The focus is on key design challenges and opportunities in the area of current maritime technologies and markets, with special emphasis on: • Challenges in merging ship design and marine applications of experience-based industrial design • Digitalisation as technological enabler for stronger link between efficient design, operations and maintenance in future • Emerging technologies and their impact on future designs • Cruise ship and icebreaker designs including fleet compositions to meet new market demands To reflect on the conference focus, Marine Design XIII covers the following research topic series: •State of art ship design principles - education, design methodology, structural design, hydrodynamic design; •Cutting edge ship designs and operations - ship concept design, risk and safety, arctic design, autonomous ships; •Energy efficiency and propulsions - energy efficiency, hull form design, propulsion equipment design; •Wider marine designs and practices - navy ships, offshore and wind farms and production. Marine Design XIII contains 2 state-of-the-art reports on design methodologies and cruise ships design, and 4 keynote papers on new directions for vessel design practices and tools, digital maritime traffic, naval ship designs, and new tanker design for arctic. Marine Design XIII will be of interest to academics and professionals in maritime technologies and marine design.



Hydrodynamics Of Offshore Structures


Hydrodynamics Of Offshore Structures
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Author : Subrata Kumar Chakrabarti
language : en
Publisher: WIT Press (UK)
Release Date : 1987

Hydrodynamics Of Offshore Structures written by Subrata Kumar Chakrabarti and has been published by WIT Press (UK) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.


Covering all aspects of the hydrodynamics of offshore structures, this book is designed for use both as an undergraduate and graduate textbook and as a reference work for offshore and ocean engineering. Partial Contents: Mathematical Background; Introduction to Offshore Structures; Wave Theories; Design Wave Environment; Wave Statistics; Wave Force on Small Structures; Wave Force on Large Structures.



Marine Design Xiii Volume 2


Marine Design Xiii Volume 2
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Author : Pentti Kujala
language : en
Publisher: CRC Press
Release Date : 2018-06-04

Marine Design Xiii Volume 2 written by Pentti Kujala and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-04 with Technology & Engineering categories.


This is volume 2 of a 2-volume set. Marine Design XIII collects the contributions to the 13th International Marine Design Conference (IMDC 2018, Espoo, Finland, 10-14 June 2018). The aim of this IMDC series of conferences is to promote all aspects of marine design as an engineering discipline. The focus is on key design challenges and opportunities in the area of current maritime technologies and markets, with special emphasis on: • Challenges in merging ship design and marine applications of experience-based industrial design • Digitalisation as technological enabler for stronger link between efficient design, operations and maintenance in future • Emerging technologies and their impact on future designs • Cruise ship and icebreaker designs including fleet compositions to meet new market demands To reflect on the conference focus, Marine Design XIII covers the following research topic series: •State of art ship design principles - education, design methodology, structural design, hydrodynamic design; •Cutting edge ship designs and operations - ship concept design, risk and safety, arctic design, autonomous ships; •Energy efficiency and propulsions - energy efficiency, hull form design, propulsion equipment design; •Wider marine designs and practices - navy ships, offshore and wind farms and production. Marine Design XIII contains 2 state-of-the-art reports on design methodologies and cruise ships design, and 4 keynote papers on new directions for vessel design practices and tools, digital maritime traffic, naval ship designs, and new tanker design for arctic. Marine Design XIII will be of interest to academics and professionals in maritime technologies and marine design.



The Proceedings Of The International Offshore And Polar Engineering Conference


The Proceedings Of The International Offshore And Polar Engineering Conference
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Author :
language : en
Publisher:
Release Date : 1991

The Proceedings Of The International Offshore And Polar Engineering Conference written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Ocean engineering categories.




A Comparison Of Methods For Computation Of Wave Forcing


A Comparison Of Methods For Computation Of Wave Forcing
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Author : Olga Glöckner
language : en
Publisher: GRIN Verlag
Release Date : 2018-05-17

A Comparison Of Methods For Computation Of Wave Forcing written by Olga Glöckner and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-17 with Technology & Engineering categories.


Diploma Thesis from the year 2014 in the subject Engineering - Civil Engineering, grade: 1,0, University of Hannover (A&M University Texas, Ludwig-Franzius-Institut für Wasserbau, Ästuar- und Küsteningenieurwesen), language: English, abstract: Unlike fossil fuels (for example oil, coal and natural gas), wind energy is a renewable energy resource. Since winds at sea are stronger and more consistent than onshore winds, the demand for offshore wind turbines has increased over the last years. As energy can be produced more efficient in deeper water, several floating offshore wind turbine constructions, such as the OC3 Hywind spar-buoy, have been proposed. The design of floating wind turbines depends on the simulation of the system behavior caused by exciting forces. This thesis deals with the comparison between different methods for calculating wave forces and resulting platform motions of a floating offshore wind turbine. On the one hand, wave exciting loads computed with Morison’s equation are compared to the hydrodynamic forces simulated by the open source code FAST on the basis of the diffraction theory. On the other hand, response motions of the floating structure are simulated by the commercial offshore software SESAM in the frequency domain and compared with the motions calculated by FAST in the time domain.