Zobrazeno 1 - 10
of 20
pro vyhledávání: '"George E. Varelis"'
Publikováno v:
Volume 3: Materials Technology; Pipelines, Risers, and Subsea Systems.
Pipe bends (elbows) are commonly used components in subsea piping systems. They are quite flexible compared to the corresponding straight pipes and are used to reduce the reaction forces and moments at the supports and the bending moments within the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d03c746e17443b06898a2937da9b1b83
https://doi.org/10.1115/omae2022-79151
https://doi.org/10.1115/omae2022-79151
Autor:
Brabha Nagaratnam, Keerthan Poologanathan, Perampalam Gatheeshgar, George E. Varelis, Heshachanaa Rajanayagam, P. Sherlock, Phil Hackney
Modular Building System (MBS) is an emerging offsite construction technique, which uses prefabricated units, transported, and assembled onsite. In MBS construction process, designing stage is considered as the most significant stage. One of the criti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e1ef06f6a26fd9b41d55143cec14e08
https://nrl.northumbria.ac.uk/id/eprint/47481/1/Manuscript_Accepted.pdf
https://nrl.northumbria.ac.uk/id/eprint/47481/1/Manuscript_Accepted.pdf
Publikováno v:
ASME 2021 3rd International Offshore Wind Technical Conference.
Large diameter monopiles are widely used for the installation of offshore wind turbines in relatively shallow water depth applications. Monopiles are considered as a cost and time-efficient foundation solution, taking advantage of the experience gain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b89f7557c09797e309bfd1249b6f11b3
https://doi.org/10.1115/iowtc2021-3554
https://doi.org/10.1115/iowtc2021-3554
Publikováno v:
Marine Structures. 71:102701
The present work is motivated by the increasing need for cost-efficient solutions in offshore structural systems for wind energy production and for improvement of their structural performance. The structural behavior and design of high-strength steel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8741ac2b3e5b8d0e57a8b582ed604c75
https://doi.org/10.1016/j.marstruc.2019.102701
https://doi.org/10.1016/j.marstruc.2019.102701
Publikováno v:
Chatzopoulou, G, Karamanos, S & Varelis, G E 2016, ' Finite Element Analysis of Cyclically-Loaded Steel Pipes During Deep Water Reeling Installation. ', Ocean Engineering, vol. 124, pp. 113–124 . https://doi.org/10.1016/j.oceaneng.2016.07.048
Thick-walled steel pipes during their installation in deep water are subjected to combined loading of external pressure and bending, which may trigger structural instability due to excessive pipe ovalization. In the case of reeling installation metho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6c714311536cb03026df062d39e9d03
https://www.pure.ed.ac.uk/ws/files/29451692/reelingv23.pdf
https://www.pure.ed.ac.uk/ws/files/29451692/reelingv23.pdf
Publikováno v:
Chatzopoulou, G, Karamanos, S & Varelis, G E 2016, ' Finite Element Analysis of UOE Manufacturing Process and its Effect on Mechanical Behavior of Offshore Pipes ', International Journal of Solids and Structures, vol. 83, pp. 13-27 . https://doi.org/10.1016/j.ijsolstr.2015.12.020
Thick-walled steel pipes during their installation in deep-water are subjected to a combination of loading in terms of external pressure, bending and axial tension, which may trigger structural instability due to excessive pipe ovalization. The resis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a221bbeb7c43a29878e1e783196d21da
https://www.pure.ed.ac.uk/ws/files/29407880/2016_Chatzopoulou_IJSS_UOE.pdf
https://www.pure.ed.ac.uk/ws/files/29407880/2016_Chatzopoulou_IJSS_UOE.pdf
Publikováno v:
Journal of Pressure Vessel Technology. 138
Seismic actions, soil settlements and landslides, fluctuations in permafrost layers, accidental loads, and reeling are responsible for large plastic deformations and widespread yielding of pipelines, which may lead to damage or failure, either due to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09cb312d1d8985e7c75e15f0d1578021
https://doi.org/10.1115/1.4032277
https://doi.org/10.1115/1.4032277
Publikováno v:
Volume 5B: Pipeline and Riser Technology.
Large-diameter thick-walled steel pipes during their installation in deep-water are subjected to a combination of loading in terms of external pressure, bending and axial tension, which may trigger structural instability due to excessive pipe ovaliza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98d3f461100bc4c041f8200a4d72ecc8
https://doi.org/10.1115/omae2015-41457
https://doi.org/10.1115/omae2015-41457
Publikováno v:
Volume 3: Materials and Joining; Risk and Reliability.
Thick-walled steel pipes manufactured through the UOE process are used in deep-water pipeline applications for the safe and cost-effective transmission of hydrocarbon energy resources. Such pipes are subjected to bending loads in the presence of high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a519eb6e47e3b99b85c2ad2708f62a20
https://doi.org/10.1115/ipc2014-33321
https://doi.org/10.1115/ipc2014-33321
Autor:
George E. Varelis, Spyros A. Karamanos
Publikováno v:
Journal of Pressure Vessel Technology. 137
The present study examines the mechanical behavior of steel process piping elbows, subjected to strong cyclic loading conditions. The work is numerical, supported by experimental data on elbow specimens subjected to in-plane cyclic bending, with or w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75520eb5ad65bd7d09c1c29b8bcc2a6f
https://doi.org/10.1115/1.4027316
https://doi.org/10.1115/1.4027316