Station Keeping Analysis And Design For New Floating Offshore Wind Turbines

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Station Keeping Analysis and Design for New Floating Offshore Wind Turbines

Author : Pau Trubat Casal
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (122 download)

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Book Synopsis Station Keeping Analysis and Design for New Floating Offshore Wind Turbines by : Pau Trubat Casal

Download or read book Station Keeping Analysis and Design for New Floating Offshore Wind Turbines written by Pau Trubat Casal and published by . This book was released on 2020 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the framework of the reduction of the emissions of greenhouse gases, FOWT will be the technology that will exploit the wind resources in deep seas. In order to achieve a commercial deployment of this technology, a cost reduction is necessary through the optimization of the wind turbine by detailed studies to reduce its design uncertainties. One important aspect is the mooring system, which commonly represents between a 10 to 15 % of the capex. The present research aims to increase the knowledge of the design and analysis of the station keeping systems for floating offshore wind turbines. One of the most important aspects for a correct analysis and design of the mooring system is the simulation of the lines coupled with the floating structure and the wind turbine.In this dissertation, two different mooring line models coupled to a finite element model for the analysis of floating platforms are presented. The first model is a finite element model based on a slender rod approach. The model is extended to consider the rheological damping in the axial and bending direction within the constitutive equations of the problem. The second model is a new approach named quasi-dynamic model. The model assesses the static solution of the catenary equation but updates the line tension based on the external hydrodynamic forces and the inertial forces from the theoretical motion of the mooring line.In the design of mooring lines is important to consider and foresee the different phenomena and loads that can act along on the life span of these elements. Within these phenomena, the effects of the waves forces over the mooring lines o have been studied. The study analyzes the contribution of the wave forces over the mooring lines to determine when it is an important source of damage for the fatigue strength. Finally, new floating platform concepts need to be tested and analyzed in controlled conditions in order to validate the models used for the final designs. It is common that pool and flume basins do not present enough size for the catenary shape mooring systems because they cover a large extension. In this area, an optimization model for a truncated mooring system is presented. The truncated mooring system is formed by two types of chains to emulate the actual prototype mooring system of a scale spar platform in a narrow flume.

Proceedings of the 1st Vietnam Symposium on Advances in Offshore Engineering

Author : M.F. Randolph
Publisher : Springer
ISBN 13 : 9811323062
Total Pages : 616 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Proceedings of the 1st Vietnam Symposium on Advances in Offshore Engineering by : M.F. Randolph

Download or read book Proceedings of the 1st Vietnam Symposium on Advances in Offshore Engineering written by M.F. Randolph and published by Springer. This book was released on 2018-09-24 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings gather a selection of refereed papers presented at the 1st Vietnam Symposium on Advances in Offshore Engineering (VSOE 2018), held on 1–3 November 2018 in Hanoi, Vietnam. The contributions from researchers, practitioners, policymakers, and entrepreneurs address technological and policy changes intended to promote renewable energies, and to generate business opportunities in oil and gas and offshore renewable energy. With a special focus on energy and geotechnics, the book brings together the latest lessons learned in offshore engineering, technological innovations, cost-effective and safer foundations and structural solutions, environmental protection, hazards, vulnerability, and risk management. The book offers a valuable resource for all graduate students, researchers and industrial practitioners working in the fields of offshore engineering and renewable energies.

Floating Offshore Wind Energy

Author : Joao Cruz
Publisher : Springer
ISBN 13 : 3319293982
Total Pages : 345 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Floating Offshore Wind Energy by : Joao Cruz

Download or read book Floating Offshore Wind Energy written by Joao Cruz and published by Springer. This book was released on 2016-08-20 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a state-of-the-art review of floating offshore wind turbines (FOWT). It offers developers a global perspective on floating offshore wind energy conversion technology, documenting the key challenges and practical solutions that this new industry has found to date. Drawing on a wide network of experts, it reviews the conception, early design stages, load & structural analysis and the construction of FOWT. It also presents and discusses data from pioneering projects. Written by experienced professionals from a mix of academia and industry, the content is both practical and visionary. As one of the first titles dedicated to FOWT, it is a must-have for anyone interested in offshore renewable energy conversion technologies.

Analysis and Design of The Floating Offshore Wind Turbine

Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis Analysis and Design of The Floating Offshore Wind Turbine by :

Download or read book Analysis and Design of The Floating Offshore Wind Turbine written by and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Design Load Analysis of Two Floating Offshore Wind Turbine Concepts

Author : Gordon M. Stewart
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (945 download)

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Book Synopsis Design Load Analysis of Two Floating Offshore Wind Turbine Concepts by : Gordon M. Stewart

Download or read book Design Load Analysis of Two Floating Offshore Wind Turbine Concepts written by Gordon M. Stewart and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Much of the United States' wind resource is located over deep water where fixed-bottom offshore wind turbines are cost-prohibitive. To capture this energy, floating offshore wind turbines are being developed. However, current design standards do not explicitly cover issues relating to floating offshore wind turbines, which leads to risk and uncertainty in the design process. Two important issues that this dissertation investigates are the effect of simulation length and wind and wave misalignment on fatigue and ultimate loads. Experience in the offshore floating oil and gas industry has recommended simulation lengths of 3-6 hours, but the wind industry typically simulates between 10 minutes and one hour. The reasons for these simulation lengths is explored and recommendations for floating offshore wind turbines are made. The current offshore wind turbine design standard states that co-aligned wind and waves are a conservative ``worst-case'' scenario for loads, but this assertion may only hold true for fixed-bottom offshore turbines. A large operational design-space set of simulations are run to determine the impact of wind and wave misalignment on floating offshore turbines. Using results from both the simulation length and wind/wave misalignment study, probabilistic methods are used to determine a minimum set of simulations that is able to accurately characterize the loads response of floating platforms. Reduction of avian impacts have long been an important concern for the installation of wind farms. There is large uncertainty in the impacts of offshore wind farms on seabirds in the United States, as no offshore wind farms are currently operating. In this dissertation, experience from Europe is used to create a model of seabirds' interaction with fixed-bottom offshore wind farms. This model is used in a multi-objective optimization of the layout of a generic fixed-bottom offshore wind farm, considering both impacts on birds as well as power production. To simulate a farm comprised of floating offshore wind turbines, uncertainty in the positions of the turbines in the farm is introduced, and the layout is once again subjected to a multi-objective optimization.

Mooring System Engineering for Offshore Structures

Author : Kai-Tung Ma
Publisher : Gulf Professional Publishing
ISBN 13 : 012818552X
Total Pages : 350 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Mooring System Engineering for Offshore Structures by : Kai-Tung Ma

Download or read book Mooring System Engineering for Offshore Structures written by Kai-Tung Ma and published by Gulf Professional Publishing. This book was released on 2019-06-04 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mooring system is a vital component of various floating facilities in the oil, gas, and renewables industries. However, there is a lack of comprehensive technical books dedicated to the subject. Mooring System Engineering for Offshore Structures is the first book delivering in-depth knowledge on all aspects of mooring systems, from design and analysis to installation, operation, maintenance and integrity management. The book gives beginners a solid look at the fundamentals involved during mooring designs with coverage on current standards and codes, mooring analysis and theories behind the analysis techniques. Advanced engineers can stay up-to-date through operation, integrity management, and practical examples provided. This book is recommended for students majoring in naval architecture, marine or ocean engineering, and allied disciplines in civil or mechanical engineering. Engineers and researchers in the offshore industry will benefit from the knowledge presented to understand the various types of mooring systems, their design, analysis, and operations. Understand the various types of mooring systems and the theories behind mooring analysis Gain practical experience and lessons learned from worldwide case studies Combine engineering fundamentals with practical applications to solve today’s offshore challenges

Structural Integrity of Offshore Wind Turbines: Oversight of Design, Fabrication, and Installation

Author : National Research Council (U.S.). Committee on Offshore Wind Energy Turbine Structural and Operating Safety
Publisher : Transportation Research Board
ISBN 13 : 0309160820
Total Pages : 194 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Structural Integrity of Offshore Wind Turbines: Oversight of Design, Fabrication, and Installation by : National Research Council (U.S.). Committee on Offshore Wind Energy Turbine Structural and Operating Safety

Download or read book Structural Integrity of Offshore Wind Turbines: Oversight of Design, Fabrication, and Installation written by National Research Council (U.S.). Committee on Offshore Wind Energy Turbine Structural and Operating Safety and published by Transportation Research Board. This book was released on 2011-09-02 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The U.S. Department of the Interior's Bureau of Ocean Energy Management, Regulation, and Enforcement (BOEMRE) is responsible for the orderly, safe, and environmentally responsible development of offshore renewable energy on the outer continental shelf (OCS). The Committee on Offshore Wind Energy Turbine Structural and Operating Safety that authored this report was tasked with reviewing BOEMRE's proposed approach to overseeing the design of offshore wind turbines for structural integrity. The committee was asked to review the applicability and adequacy of standards and practices that could be used for the design, fabrication and installation of offshore wind turbines. It was also asked to review the role of third-party certified verification agents (CVAs) and the expertise and qualifications needed to carry out the role of a CVA. The committee's findings are presented in the following chapters: (1) Introduction; (2) Offshore Wind Technology and Status; (3) Standards and Practices; (4) A Risk-Informed Approach to Performance Assurance; (5) Role of Third-Party Oversight and Certified Verification Agents; (6) Qualifications Needed by Certified Verification Agents; and (7) Summary of Key Findings and Recommendations."--Pub. desc.

Design of Foundations for Offshore Wind Turbines

Author : Subhamoy Bhattacharya
Publisher : John Wiley & Sons
ISBN 13 : 1119128129
Total Pages : 387 pages
Book Rating : 4.1/5 (191 download)

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Book Synopsis Design of Foundations for Offshore Wind Turbines by : Subhamoy Bhattacharya

Download or read book Design of Foundations for Offshore Wind Turbines written by Subhamoy Bhattacharya and published by John Wiley & Sons. This book was released on 2019-04-29 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive reference covering the design of foundations for offshore wind turbines As the demand for “green” energy increases the offshore wind power industry is expanding at a rapid pace around the world. Design of Foundations for Offshore Wind Turbines is a comprehensive reference which covers the design of foundations for offshore wind turbines, and includes examples and case studies. It provides an overview of a wind farm and a wind turbine structure, and examines the different types of loads on the offshore wind turbine structure. Foundation design considerations and the necessary calculations are also covered. The geotechnical site investigation and soil behavior/soil structure interaction are discussed, and the final chapter takes a case study of a wind turbine and demonstrates how to carry out step by step calculations. Key features: New, important subject to the industry. Includes calculations and case studies. Accompanied by a website hosting software and data files. Design of Foundations for Offshore Wind Turbines is a must have reference for engineers within the renewable energy industry and is also a useful guide for graduate students in this area.

Reliability-Based Optimization of Floating Wind Turbine Support Structures

Author : Mareike Leimeister
Publisher : Springer Nature
ISBN 13 : 3030968898
Total Pages : 336 pages
Book Rating : 4.0/5 (39 download)

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Book Synopsis Reliability-Based Optimization of Floating Wind Turbine Support Structures by : Mareike Leimeister

Download or read book Reliability-Based Optimization of Floating Wind Turbine Support Structures written by Mareike Leimeister and published by Springer Nature. This book was released on 2023-01-01 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book pursues the ambitious goal of combining floating wind turbine design optimization and reliability assessment, which has in fact not been done before. The topic is organized into a series of very ambitious objectives, which start with an initial state-of-the-art review, followed by the development of high-fidelity frameworks for a disruptive way to design next generation floating offshore wind turbine (FOWT) support structures. The development of a verified aero-hydro-servo-elastic coupled numerical model of dynamics for FOWTs and a holistic framework for automated simulation and optimization of FOWT systems, which is later used for the coupling of design optimization with reliability assessment of FOWT systems in a computationally and time-efficient manner, has been an aim of many groups internationally towards implementing a performance-based/goal-setting approach in the design of complex engineering systems. The outcomes of this work quantify the benefits of an optimal design with a lower mass while fulfilling design constraints. Illustrating that comprehensive design methods can be combined with reliability analysis and optimization algorithms towards an integrated reliability-based design optimization (RBDO) can benefit not only the offshore wind energy industry but also other applications such as, among others, civil infrastructure, aerospace, and automotive engineering.

Advances in the Analysis and Design of Marine Structures

Author : J. W. Ringsberg
Publisher : CRC Press
ISBN 13 : 1000913732
Total Pages : 921 pages
Book Rating : 4.0/5 (9 download)

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Book Synopsis Advances in the Analysis and Design of Marine Structures by : J. W. Ringsberg

Download or read book Advances in the Analysis and Design of Marine Structures written by J. W. Ringsberg and published by CRC Press. This book was released on 2023-04-14 with total page 921 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in the Analysis and Design of Marine Structures is a collection of papers presented at MARSTRUCT 2023, the 9th International Conference on Marine Structures, held in Gothenburg, Sweden, 3-5 April 2023. The conference was organised by the Division of Marine Technology, Department of Mechanics and Maritime Sciences at Chalmers University of Technology, in Gothenburg, Sweden. The MARSTRUCT Conference series deals with Ship 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 optimization Structural reliability, safety, and environmental protection The MARSTRUCT conferences series of started in Glasgow, UK in 2007, the second event of the series took 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, the sixth in Lisbon, Portugal in May 2017, the seventh in Dubrovnik, Croatia in May 2019, and the eighth event in Trondheim, Norway in June 2021. Advances in the Analysis and Design of Marine Structures is essential reading for academics, engineers and all professionals involved in the design of marine and offshore structures. 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.

Virtual Design and Validation

Author : Peter Wriggers
Publisher : Springer Nature
ISBN 13 : 3030381560
Total Pages : 349 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Virtual Design and Validation by : Peter Wriggers

Download or read book Virtual Design and Validation written by Peter Wriggers and published by Springer Nature. This book was released on 2020-03-03 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of the experimental characterization of materials and their numerical modeling, as well as the development of new computational methods for virtual design. Its 17 contributions are divided into four main sections: experiments and virtual design, composites, fractures and fatigue, and uncertainty quantification. The first section explores new experimental methods that can be used to more accurately characterize material behavior. Furthermore, it presents a combined experimental and numerical approach to optimizing the properties of a structure, as well as new developments in the field of computational methods for virtual design. In turn, the second section is dedicated to experimental and numerical investigations of composites, with a special focus on the modeling of failure modes and the optimization of these materials. Since fatigue also includes wear due to frictional contact and aging of elastomers, new numerical schemes in the field of crack modeling and fatigue prediction are also discussed. The input parameters of a classical numerical simulation represent mean values of actual observations, though certain deviations arise: to illustrate the uncertainties of parameters used in calculations, the book’s final section presents new and efficient approaches to uncertainty quantification.

Floating Offshore Wind Farms

Author : Laura Castro-Santos
Publisher : Springer
ISBN 13 : 3319279726
Total Pages : 204 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Floating Offshore Wind Farms by : Laura Castro-Santos

Download or read book Floating Offshore Wind Farms written by Laura Castro-Santos and published by Springer. This book was released on 2016-03-05 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of floating offshore wind farms and focuses on the economic aspects of this renewable-energy technology. It presents economic maps demonstrating the main costs, and explores various important aspects of floating offshore wind farms. It examines topics including offshore wind turbines, floating offshore wind platforms, mooring and anchoring, as well as offshore electrical systems. It is a particularly useful resource in light of the fact that most water masses are deep and therefore not suitable for fixed offshore wind farms. A valuable reference work for students and researchers interested in naval and ocean engineering and economics, this book provides a new perspective on floating offshore wind farms, and makes a useful contribution to the existing literature.

Design and Analysis of Stationkeeping Systems for Floating Structures

Author : American Petroleum Institute
Publisher :
ISBN 13 :
Total Pages : 181 pages
Book Rating : 4.:/5 (192 download)

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Book Synopsis Design and Analysis of Stationkeeping Systems for Floating Structures by : American Petroleum Institute

Download or read book Design and Analysis of Stationkeeping Systems for Floating Structures written by American Petroleum Institute and published by . This book was released on 2005 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wind/Wave Misalignment in the Loads Analysis of a Floating Offshore Wind Turbine

Author :
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Wind/Wave Misalignment in the Loads Analysis of a Floating Offshore Wind Turbine by :

Download or read book Wind/Wave Misalignment in the Loads Analysis of a Floating Offshore Wind Turbine written by and published by . This book was released on 2014 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind resources far from the shore and in deeper seas have encouraged the offshore wind industry to look into floating platforms. The International Electrotechnical Commission (IEC) is developing a new technical specification for the design of floating offshore wind turbines that extends existing design standards for land-based and fixed-bottom offshore wind turbines. The work summarized in this paper supports the development of best practices and simulation requirements in the loads analysis of floating offshore wind turbines by examining the impact of wind/wave misalignment on the system loads under normal operation. Simulations of the OC3-Hywind floating offshore wind turbine system under a wide range of wind speeds, significant wave heights, peak-spectral periods and wind/wave misalignments have been carried out with the aero-servo-hydro-elastic tool FAST [4]. The extreme and fatigue loads have been calculated for all the simulations. The extreme and fatigue loading as a function of wind/wave misalignment have been represented as load roses and a directional binning sensitivity study has been carried out. This study focused on identifying the number and type of wind/wave misalignment simulations needed to accurately capture the extreme and fatigue loads of the system in all possible metocean conditions considered, and for a down-selected set identified as the generic US East Coast site. For this axisymmetric platform, perpendicular wind and waves play an important role in the support structure and including these cases in the design loads analysis can improve the estimation of extreme and fatigue loads. However, most structural locations see their highest extreme and fatigue loads with aligned wind and waves. These results are specific to the spar type platform, but it is expected that the results presented here will be similar to other floating platforms.

Low-order modeling, controller design and optimization of floating offshore wind turbines

Author : Frank Lemmer
Publisher :
ISBN 13 : 9783843938631
Total Pages : pages
Book Rating : 4.9/5 (386 download)

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Book Synopsis Low-order modeling, controller design and optimization of floating offshore wind turbines by : Frank Lemmer

Download or read book Low-order modeling, controller design and optimization of floating offshore wind turbines written by Frank Lemmer and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Renewable Energies Offshore

Author : C. Guedes Soares
Publisher : CRC Press
ISBN 13 : 1315647850
Total Pages : 1030 pages
Book Rating : 4.3/5 (156 download)

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Book Synopsis Renewable Energies Offshore by : C. Guedes Soares

Download or read book Renewable Energies Offshore written by C. Guedes Soares and published by CRC Press. This book was released on 2015-09-07 with total page 1030 pages. Available in PDF, EPUB and Kindle. Book excerpt: Renewable Energies Offshore includes the papers presented in the 1st International Conference on Renewable Energies Offshore (RENEW2014), held in Lisbon, 24-26 November 2014. The conference is a consequence of the importance of the offshore renewable energies worldwide and an opportunity to contribute to the exchange of information on the dev

Physical Modelling in Geotechnics, Volume 1

Author : Andrew McNamara
Publisher : CRC Press
ISBN 13 : 0429797680
Total Pages : 776 pages
Book Rating : 4.4/5 (297 download)

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Book Synopsis Physical Modelling in Geotechnics, Volume 1 by : Andrew McNamara

Download or read book Physical Modelling in Geotechnics, Volume 1 written by Andrew McNamara and published by CRC Press. This book was released on 2018-07-11 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physical Modelling in Geotechnics collects more than 1500 pages of peer-reviewed papers written by researchers from over 30 countries, and presented at the 9th International Conference on Physical Modelling in Geotechnics 2018 (City, University of London, UK 17-20 July 2018). The ICPMG series has grown such that two volumes of proceedings were required to publish all contributions. The books represent a substantial body of work in four years. Physical Modelling in Geotechnics contains 230 papers, including eight keynote and themed lectures representing the state-of-the-art in physical modelling research in aspects as diverse as fundamental modelling including sensors, imaging, modelling techniques and scaling, onshore and offshore foundations, dams and embankments, retaining walls and deep excavations, ground improvement and environmental engineering, tunnels and geohazards including significant contributions in the area of seismic engineering. ISSMGE TC104 have identified areas for special attention including education in physical modelling and the promotion of physical modelling to industry. With this in mind there is a special themed paper on education, focusing on both undergraduate and postgraduate teaching as well as practicing geotechnical engineers. Physical modelling has entered a new era with the advent of exciting work on real time interfaces between physical and numerical modelling and the growth of facilities and expertise that enable development of so called ‘megafuges’ of 1000gtonne capacity or more; capable of modelling the largest and most complex of geotechnical challenges. Physical Modelling in Geotechnics will be of interest to professionals, engineers and academics interested or involved in geotechnics, geotechnical engineering and related areas. The 9th International Conference on Physical Modelling in Geotechnics was organised by the Multi Scale Geotechnical Engineering Research Centre at City, University of London under the auspices of Technical Committee 104 of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE). City, University of London, are pleased to host the prestigious international conference for the first time having initiated and hosted the first regional conference, Eurofuge, ten years ago in 2008. Quadrennial regional conferences in both Europe and Asia are now well established events giving doctoral researchers, in particular, the opportunity to attend an international conference in this rapidly evolving specialist area. This is volume 1 of a 2-volume set.