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Author : Olga Glöckner
Publisher :
ISBN 13 : 9783668706156
Total Pages : pages
Book Rating : 4.7/5 (61 download)
Download or read book Comparison of Methods for the Computation of Wave Forcing written by Olga Glöckner and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Olga Glöckner
Publisher : GRIN Verlag
ISBN 13 : 3668705224
Total Pages : 137 pages
Book Rating : 4.6/5 (687 download)
Download or read book A comparison of methods for computation of wave forcing written by Olga Glöckner and published by GRIN Verlag. This book was released on 2018-05-17 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Olga Glöckner
Publisher : GRIN Verlag
ISBN 13 : 3668754780
Total Pages : 151 pages
Book Rating : 4.6/5 (687 download)
Download or read book Wind energy. Methods for computation of wave forcing and the resulting motion of a slender offshore floating structure written by Olga Glöckner and published by GRIN Verlag. This book was released on 2018-07-19 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Paul Christos Xirouchakis
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (223 download)
Download or read book Comparison of Methods in Wave Force Prediction on Large Fixed Obstacles written by Paul Christos Xirouchakis and published by . This book was released on 1975 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marc Henry Rolfes
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.3/5 (126 download)
Download or read book Wave Force and Structure Response written by Marc Henry Rolfes and published by . This book was released on 1980 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: An 18 foot tall jacket type structure was tested for three dimensional forces and deck deflections using regular and irregular waves of up to 2.5 feet in height. Theoretical studies for both regular and irregular wave forces are presented in conjunction with experimental results. In addition, a similar comparison for deck deflection and frequency response is presented in this report. Results indicate base shear, lift force, and overturning moment calculations using the range of hydrodynamic coefficients recommended by the American Petroleum Institute are in general agreement with experimentally determined values for wave frequencies between 0.3 and 0.8 Hz. Deck deflection measurements were significantly greater than those calculated using standard structural matrix techniques. The difference is concluded to be the result of inadequate analytical description of the test structure joints using a rigid joint analysis. (Author).
Author : Nikolaos A. Kampanis
Publisher : CRC Press
ISBN 13 : 1420010875
Total Pages : 707 pages
Book Rating : 4.4/5 (2 download)
Download or read book Effective Computational Methods for Wave Propagation written by Nikolaos A. Kampanis and published by CRC Press. This book was released on 2008-02-25 with total page 707 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the increase in computational power and new discoveries in propagation phenomena for linear and nonlinear waves, the area of computational wave propagation has become more significant in recent years. Exploring the latest developments in the field, Effective Computational Methods for Wave Propagation presents several modern, valuable
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ISBN 13 :
Total Pages : 1126 pages
Book Rating : 4.:/5 (318 download)
Download or read book Preprints - Offshore Technology Conference written by and published by . This book was released on 1974 with total page 1126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alberto Lamberti
Publisher : World Scientific
ISBN 13 : 9814467073
Total Pages : 2084 pages
Book Rating : 4.8/5 (144 download)
Download or read book Coastal Structures 2007 (In 2 Volumes) - Proceedings Of The 5th Coastal Structures International Conference, Cst07 written by Alberto Lamberti and published by World Scientific. This book was released on 2009-06-09 with total page 2084 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal Structures are undergoing renewal and innovation to better serve the needs of our society - from environmental co-existence and habitat enhancement to risk management. The CSt07 conference is the fifth in a series that highlight significant progress in the innovation, design and construction of coastal structures. Proceedings of these CSt conferences have yielded milestone works, frequently cited references in the field.This two-volume proceedings contains the final revised version of 178 papers that have been reviewed, selected and discussed at the CSt07 conference. The volume brings to readers a comprehensive range of contributions, covering all aspects of research, design, construction, and maintenance of coastal structures including new up-to-date interesting topics, such as tsunamis and storm surge defences, climate change, piled coastal structures as well as ecological issues, a new addition to the traditional program.
Author :
Publisher :
ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1090 pages
Book Rating : 4.:/5 (26 download)
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1969 with total page 1090 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 844 pages
Book Rating : 4.0/5 ( download)
Download or read book Aquatic Sciences and Fisheries Abstracts written by and published by . This book was released on 1975 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Paper written by and published by . This book was released on 1992 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hamid Ait Abderrahim
Publisher : World Scientific
ISBN 13 : 9814492795
Total Pages : 558 pages
Book Rating : 4.8/5 (144 download)
Download or read book Intelligent Techniques And Soft Computing In Nuclear Science And Engineering - Proceedings Of The 4th International Flins Conference written by Hamid Ait Abderrahim and published by World Scientific. This book was released on 2000-08-04 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is divided into three parts. The first part, “Mathematical Tools and New Developments”, provides basic tools to treat fuzzy set theory, rough set theory, fuzzy control, fuzzy modelling, decision support systems, and related applications. The second part, “Intelligent Engineering Applications”, reports on engineering problems such as man-machine interface, risk analysis, image processing, robotics, knowledge-based engineering, expert systems, process control integration, diagnosis, measurements and interpretation by intelligent techniques and soft computing used for general engineering applications. The third part, “Nuclear Engineering Applications”, concentrates on nuclear applications and covers several topics such as nuclear energy, nuclear safety assessment, radioactive waste management, nuclear measurements, nuclear safeguards, nuclear reactor operation, reactor controller design, fuel reload pattern design, signal validation, nuclear power plants, and optimizations in nuclear applications.
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ISBN 13 :
Total Pages : 572 pages
Book Rating : 4.F/5 ( download)
Download or read book Air Force Research Resumés written by and published by . This book was released on with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 590 pages
Book Rating : 4.F/5 ( download)
Download or read book Conference on Hypersonic Aircraft Technology written by and published by . This book was released on 1967 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G.N. Pande
Publisher : CRC Press
ISBN 13 : 1439833796
Total Pages : 728 pages
Book Rating : 4.4/5 (398 download)
Download or read book Numerical Models in Geomechanics written by G.N. Pande and published by CRC Press. This book was released on 2002-01-01 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers in this volume reflect the current research and advances made in the application of numerical methods in geotechnical engineering. Topics include: instabilities in soil behaviour; environmental geomechanics; and hydro-mechanical coupling in problems of engineering.
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ISBN 13 :
Total Pages : 1042 pages
Book Rating : 4.F/5 ( download)
Download or read book Transactions of the Japan Society of Civil Engineers written by and published by . This book was released on 1972 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:
