Development, engineering, production and life-cycle management of improved FIBRE-based material solutions for structure and functional components of large offshore wind enerGY and tidal power platform

Leistungen

Middle scale test on dry coatings and connections

The report of deliverable 6.1 will be split into 2 parts:The first part will present the results of the performance tests on dry coating in realistic offshore conditions and on larger samples.After the coupon level evaluations performed un WP2, several larger scale tests will be conduct. The configurations to be tested will be selected according to the WP2 outputs. Samples with and without integrated sensors will be compared as well. Recommendations for improvement of the process for both adhesive paint film and in-mold paint film will be done in accordance with the results. For emerged composite parts, a natural outdoor exposure site will be used. This consists in an exposition in open air or under shelters in a tempered marine atmosphere site. Various exposure angles can be chosen (45° south, 5° south, 90° north) and all the conditions are properly monitored. For immersed composite parts, tests in natural seawater will be conduct. The water can be regulated in temperature, oxygen and biological content. This test is performed on land and is able to give representative data on the durability and biofouling behavior of the products. The second part of the deliverable will presents the results from the static and dynamic tests performed for selected adhesive connections. Then, the reduction factors, used for a complete fatigue calculation, will be determined and presented. And finally, in the case of reversible structural adhesive, results going from the comparison with traditional adhesives until the capacity to recycle them, evaluating the heat energy and the time needed to separate the bonded joint, will be presented.

Guidance notes for the production of large FPR OWTP

Description of the technologies and processes developed in the project for the production of the targeted OWTP platforms as well as manufacturing strategies for modular production. Furthermore, it will also contain a brief summary of the two open-door daysand workshops, which will be organized

Multifunctional materials for SHM diagnosis and structural performance assessment

This report will evaluate the structural health monitoring (SHM) methodology developed in the framework of FIBREGY to obtain the damage state of the fibre-based structural elements used in offshore platforms.The non-destructive vibration-based methodology deals with the variations of the key performance indicators (KPIs, e.g. overall vibration energy, damping, etc.) which are influenced by the presence of damage in the FRP materials. To assess the damage state of the multifunctional materials, a set of sensors and/or optical fibers will be interleaved in the interlaminar regions of the FRP-based materials used in the marine structures. Initially, the main scope of this report is to explore the selection of the most suitable sensors to manufacture the multifunctional materials. Subsequently, the mechanical performance of the multifunctional materials will be analyzed with the paramount purpose to evaluate the possible weakness of the material induced by the embedding of the sensor. Last, it will be considered the testing of different specimens of multifunctional materials and the preparation of the best strategy for the validation of the monitoring system in a real-case through one of the WP6 demonstrators (FRP-based towers).

Project guidelines and recommendations for using FRP in large OWTPs

The project guidelines will define the methodology for the design assessment, the performance criteria to be applied and recommendations for the construction of OWTP in FRP.The report will also identify possible gaps and deviation for the certification

Connections in offshore structures

Report containing a benchmark of the connection technologies in OWTP structures, their respective evaluation and selection. The report will also include the re-design andoptimization of the most promising connections, supported by a detailed description of the experimental testing campaign.

Report on recommendations for predictive maintenance of FRP-based OWTP platforms (T4.4)

This report will gather recommendations and procedures to be considered in the analysis of predictive maintenance in OWT platforms built in FRP materials, considering the different SHM strategies, instrumentation and a digital twin models developed in the context of FIBREGY.It should be noted that the diagnosis of the marine offshore structures will be based on the variations of various key performance indicators (KPIs), which will provide real-time information about the damage state and structural condition of the offshore platforms, including KPIs related to the onboard equipment and systems if needed.Special attention will be also paid to the optimum number and location of the sensors to be embedded in the offshore platforms.

Development of the CAE models

The report will summarize the work to be carried out in subtask 6.3.1, related to the generation of two complete 3D CAE models of the structure of the W2Power platform and TIDETEC turbine housing, based on the hydro-elasticity and degradation model developed in WP3. These models will be used in WP4 to perform a final strength and degradation assessment of the structure.

Fatigue performance of composites

The deliverable will present the results and conclusions of the different fatigue tests to be performed.An interim report will be delivered by month M24 describing the regular fatigue tests (O° and 90° lay-ups) and results. This data is the only one required by the numerical models for material calibration.The report will be completed by M29, including the advanced fatigue characterization performed on oblique (45°) lay-ups and also the connections.

Environmental protection of composites

The report of deliverable D2.3 includes all the results of the durability tests performed during the extensive experimental campaign. The most relevant laboratory tests to evaluate the environmental performance of the various solutions are listed below:- Alternate and continuous immersion in salt solution (ISO 11130, ISO 2812)- High Humidity Test (ISO 6270) - 500 hours at 40 °C and 98 % HR- QUV accelerated weathering test (ISO 11507) - 1000 hours with cycles of 4 hours UV light / 4 hours of high humidity- Climatic chamber with thermal cycles (-20°C / + 80°C)- Adhesion tests: Cross Cut (ISO 2409) and Pull Off (ISO 4624) before and after each ageing test- Gloss (ISO 2813) and Colorimetry (ISO 7724) measurements before and after each ageing test- Observation of visual defects before and after each ageing test- The effect on the texture on biofouling will be evaluated at coupon level in natural sea water basin A dedicated Design of Experiments (DOE) will be built to optimize the number of samples to be tested. The durability will be evaluated for the following configurations:- At least 2 paint references (from 2 suppliers or 2 different chemistries)- At least 2 composite substrates (1 thermoset and 1 thermoplastic)- Three types of application: adhesive paint film, in-mold application of paint film and stand ard liquid paint application- Three surfaces textures: flat surface and two fouling release textures- Unprotected composite samples as a comparison

Critical review of applicable standards and gaps identification in FRP offshore structures (T4.3.1)

The conclusions of an extensive review of the regulations and standards related to the use of conventional (steel and concrete) and unconventional materials (FRP materials and others) on marine structures will be included in this report, as well as the gaps that need to be filled in in the future by regulatory bodies to enable the rolling out of OWTP platforms in FRP materials. A two-tier strategy will be performed with the fundamental objective to carry out the critical review. Firstly, it will be carried out an analysis of the potential standards for the application of FRP materials in the design of offshore structures. Secondly, it will be identified the existing gaps for the application of FRP materials in the design of the W2Power and the TIDETEC’s turntable tidal turbine developed in FIBREGY. The findings of this report will be used as the background of the deliverable 4.7 focused on the development of project design guidelines and recommendations for using FRP in large OWTPs.

Measurements report

The measurement report will include the testing methodology and the results of the ocean sea trials of the 1:6 W2Power steel-based prototype with the FRP-based towers installed to hold the wind turbine generators. Considering that the trials will last 3-5 months, sets of data will be collected and analyzed to assess the metocean effects on the platform, ensure the technical feasibility of the towers in composites and validate the different monitoring systems developed in FIBREGY.In overview, the following industrial and technological achievements will be explained in the measurements report: 1st) guidelines for the installation of the FRP towers in the existing steel-based W2 Power prototype, 2nd) Installation of a SHM system based on accelerometers, strain gauges, and fiber optics in the FRP towers, 3rd) analysis of the results derived from the SHM system installed in the offshore platforms, 4th) conclusions regarding how useful are the obtained data for the digital twin model developed in WP3 to assess the structural integrity of the platforms, and 5th) analysis and conclusions of the influence of the metocean conditions in the structural integrity of the FRP-based towers installed on scaled W2Power prototype.

Final open-door industrial day

The final open-door industrial day forms the final milestone of the project (MS 20) and thus the project completion. The event will take place again at one of the partners sites. During the meeting the project results are presented comprehensively. The prototypes should also be shown again. In terms of content, the following points are in the foreground: Results of life cycle assessment and waste management, global business plan, standardization recommendations, final conclusions. (D7.12)

First information day

After 6 months, the first information day will be the first joint meeting of the entire project consortium. A presence event is currently assumed. Should the situation (Covid-Pandemic) make it necessary for the event to be held virtually, the agenda will be adjusted if necessary. 1 to 1 1/2 days are estimated for this information day. The meeting will take place at one of the project partners. It starts at noon on the first day. The first day ends with a consortium-dinner. The meeting will continue on the second day.In terms of content, the focus will be on the following points: Presentation of the project objectives of the project progress and the expected results. During the meeting, the first results of the ongoing and possibly completed WPs should be presented. There is also a workshop with the Standardization Committee (D7.3) planned. In addition to the purely professional exchange, the meeting also allows you to get to know the project partners personally.

First open-door industrial day

The focus of the First open-door industrial day is on the presentation of the real scale demonstrators. Accordingly, the meeting should take place at one of the partners who is working on the demonstrators or where they are being produced. Among other things, the materials used (materials' catalogue), guidelines, the construction process, structural health monitoring (SHM system), tests and prototypes (D7.8) should be presented.The aim of this meeting is, among other things, addressing various stakeholders and bringing the project results further into the public eye. Accordingly, the aim is to also invite external project representatives to the open-door industrial day, if possible. The agenda should be limited to one day in order to make a visit as uncomplicated as possible, even without an overnight stay. In addition, the ongoing project progress is discussed if necessary.

Second information day

The second information day will be held after 18 months. As the first information day, it is planned as a presence event. The agenda will be planed for 1 to 1 ½ days. The event will take place again at one of the project partners.Focus of the agenda will be the project progress and presentation of further activities. A special focus will be on the market analysis and the OWTP concept. A workshop with the Standard Committee (D7.6) will complete the project meeting.

Construction of the turbine housing demonstrator

This deliverable will include the Tidetec’s turnable turbine housing large demonstrator anda related detailed report in which the design process of the respective tooling (mandrels) and filament winding process simulation and manufacturing will be described

Construction of the W2Power tower demonstrator

Deliverable 6.2 is a demonstrator of the tower of the W2Power floating windturbine at scale of 1/6. The demonstrator made of GRP will have a estimated dimension of 10m with a diameter of 1.5m. This demonstrator should be built by month 24. This deliverable will be public.

Construction of the W2Power real-scale demonstrator

Deliverable 6.4 is a full scale demonstrator made up of 2 main connection part of a floating windturbine platform. The parts will be made of GRP with an estimated height of 9.2m.This demonstrator should be built by month 30.

Veröffentlichungen

High Fidelity Hydroelastic Analysis Using Modal Matrix Reduction

Autoren: Julio García-Espinosa; Borja Serván-Camas; Miguel Calpe-Linares
Veröffentlicht in: Journal of Marine Science and Engineering, Vol 11, Iss 6, p 1168 (2023), Ausgabe 9, 2023, ISSN 2077-1312
Herausgeber: MDPI
DOI: 10.3390/jmse11061168

Multiscale modeling of prismatic heterogeneous structures based on a localized hyperreduced-order method

Autoren: Giuliodori, A.; Hernández, J.A.; Soudah, E.
Veröffentlicht in: Computer Methods in Applied Mechanics and Engineering Volume 407, 15 March 2023, 115913, Ausgabe 12, 2023, ISSN 0045-7825
Herausgeber: Elsevier BV
DOI: 10.1016/j.cma.2023.115913

A Digital Twin for Assessing the Remaining Useful Life of Offshore Wind Turbine Structures

Autoren: Rafael Pacheco-Blazquez; Julio Garcia-Espinosa; Daniel Di Capua; Andres Pastor Sanchez
Veröffentlicht in: JMSE Volume 12 Ausgabe 4, Ausgabe 5, 2024, ISSN 2077-1312
Herausgeber: MDPI
DOI: 10.3390/jmse12040573

Investigating the effect of cure schedules and cure initiators on sustainable composites for large offshore structures

Autoren: Pothis JR, Velon K, Bhatia GS, Hejjaji A, Comer AJ
Veröffentlicht in: Composite Structures, Ausgabe 327, 2024, ISSN 0263-8223
Herausgeber: Elsevier BV
DOI: 10.1016/j.compstruct.2023.117648

CECM: A continuous empirical cubature method with application to the dimensional hyperreduction of parameterized finite element models

Autoren: Hernández, J.A.; Bravo, J.R.; Ares de Parga, S.
Veröffentlicht in: Computer Methods in Applied Mechanics and Engineering, Ausgabe 12, 2024, ISSN 0045-7825
Herausgeber: Elsevier BV
DOI: 10.1016/j.cma.2023.116552

Empirical Interscale Finite Element Method (EIFEM) for modeling heterogeneous structures via localized hyperreduction

Autoren: Hernández Ortega, Joaquín Alberto; Giuliodori Picco, Agustina; Soudah Prieto, Eduardo
Veröffentlicht in: Computer Methods in Applied Mechanics and Engineering, Ausgabe 12, 2024, ISSN 0045-7825
Herausgeber: Elsevier BV
DOI: 10.1016/j.cma.2023.116492

Multi-scale procedure for the mechanical analysis of composite laminate structures considering mixed boundary conditions

Autoren: Turon Pujol, Francesc; Otero Gruer, Fermín Enrique; Martínez García, Javier
Veröffentlicht in: Composite Structures, Ausgabe Volume 322, 15 October 2023, 117343, 2023, ISSN 0263-8223
Herausgeber: Elsevier BV
DOI: 10.1016/j.compstruct.2023.117343

Numerical Framework for the Coupled Analysis of Floating Offshore Multi-Wind Turbines

Autoren: Berdugo-Parada, I., Servan-Camas, B., García-Espinosa, J.
Veröffentlicht in: Journal of Marine Science and Engineering, Ausgabe 12, 2024, ISSN 2077-1312
Herausgeber: MDPI
DOI: 10.3390/jmse12010085

Methodology for the design review of composite parts of floating offshoreplatforms

Autoren: Jean-Christophe Petiteau, Stéphane Paboeuf, Cédric Brun, Pharindra Pathak
Veröffentlicht in: MARINE 2023, 2023
Herausgeber: MARINE 2023

Thermoplastic and Bio-based epoxy infusible resin systems: candidates for offshore renewable energy structural applications

Autoren: Gursahib Singh Bhatia, Alexandre Portela, Akshay Hejjaji, Anthony Comer
Veröffentlicht in: Ausgabe Date of Conference: 19-22 July ’22, 2022
Herausgeber: Conference: ICCS25 - 25th International Conference on Composite Structures

Fatigue characterization of glass fibre/bio-based thermoset composite intended for offshore renewable energy applications

Autoren: Akshay Hejjaji, Alexandre Portela, Anthony Comer
Veröffentlicht in: Ausgabe 26-30 June 2022, 2022
Herausgeber: Conference: ECCM20 - 20th European Conference on Composite Materials

Assessing the fatigue response of glass fibre reinforced sustainable polymer matrix composites

Autoren: Pothnis JR, Hejjaji A, Bhatia GS, Comer AJ
Veröffentlicht in: 2023
Herausgeber: Conference: ICCM23, Belfast, United Kingdom

FRP Offshore Structure Connections Optimization and Validation by Classification Society standards

Autoren: Borrás, A.; Otero, F.; Martínez, X.
Veröffentlicht in: 10th Conference on Computational Methods in Marine Engineering (Marine 2023), Ausgabe 8, 2023
Herausgeber: MARINE 2023
DOI: 10.23967/marine.2023.025

Fracture and Failure in Glass Fiber Reinforced Sustainable Polymer Matrix Composites Subjected to Fatigue Loading

Autoren: Jayaram R. Pothnis, Akshay Hejjaji, Gursahib S. Bhatia, Salwa Sandali and Anthony J. Comer
Veröffentlicht in: 2023
Herausgeber: ICCM23

Characterization and post-repair performance of infusible thermoplastic-based composites under compression

Autoren: Bhatia GS Hejjaji A Pothnis JR Fahey K Comer AJ
Veröffentlicht in: 2023
Herausgeber: Conference: ICCM23, Belfast, United Kingdom

Design of W2P Platform and Numerical Tools Used within FibreGy

Autoren: Pablo Ropero, Joel Jurado Granados, Javier Fernandez, Aziza Al Mazuzi, Daniel Sá, Borja Serván-Camas, Miguel Calpe, Andrés Pastor, Francesc Turón, Xavier Martinez, Fermin Otero
Veröffentlicht in: Computational Methods in Marine Engineering (MARINE'23), 2023
Herausgeber: Computational Methods in Marine Engineering (MARINE'23)

Fatigue characterization of glass fibre/acrylic based infusible thermoplastic composite intended for offshore structural applications: Thermography and Acoustic Emission.

Autoren: Akshay Hejjaji, Alexandre Portela, Anthony Comer
Veröffentlicht in: Ausgabe Date of Conference: 19-22 July ’22, 2022
Herausgeber: Conference: ICCS25 - 25th International Conference on Composite Structures

FIBREGY Project PRESS CLIPPING

Autoren: Fabian Rechsteiner et al.
Veröffentlicht in: 2022
Herausgeber: CIMNE

Leistungen

Veröffentlichungen

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