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Keywords: Offshore Platform
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Proceedings Papers

Proc. ASME. OMAE2020, Volume 2B: Structures, Safety, and Reliability, V02BT02A011, August 3–7, 2020
Paper No: OMAE2020-18300
...A NOVEL APPROACH TO IMPROVING THE STRUCTURAL RELIABILITY OF A FIXED OFFSHORE PLATFORM SUBJECT TO WAVE-IN-DECK LOADING USING A HOLISTIC STRUCTURAL INTEGRITY MANAGEMENT (SIM) TRIAD APPROACH Mehrdad Kimiaei1, Jalal Mirzadeh1, Partha Dev1, Mike Efthymiou2, Riaz Khan3 1ROSEN Australia Pty Ltd, Perth...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology, V008T11A032, June 9–14, 2019
Paper No: OMAE2019-96733
... desulfurization and decarbonization acidic natural gas low temperature separation method process simulation offshore platform Abstract Based on the latest developments of desulfurization and decarbonization technologies of acidic natural gas, the process characteristics, product...
Proceedings Papers

Proc. ASME. OMAE2011, Volume 5: Ocean Space Utilization; Ocean Renewable Energy, 185-191, June 19–24, 2011
Paper No: OMAE2011-50096
... tight, the technology for the effective use of the EEZ will become the key for the sustainable development of Japan. From this background, the Ministry of Land, Infrastructure, Transport and Tourism of Japan (MLIT) started an R&D project of floating offshore platform technologies in 2007[1]. In this...
Proceedings Papers

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 2, 209-217, June 6–11, 2010
Paper No: OMAE2010-20215
... tubular K-joint stress concentration factor combined loadings submodeling technique offshore platform A numerical method of stress concentration factors (SCFs) in tubular K-joints under combined loadings was proposed, and the loading effects on SCFs were investigated by using this...
Proceedings Papers

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 3, 257-262, June 6–11, 2010
Paper No: OMAE2010-20836
... 1 Copyright © by ASME Proceedings of the 29th International Conference on Ocean, Offshore and Arctic Engineering OMAE2010 June 6-11, 2010, Shanghai, China OMAE2010-20836 RESEARCH AND DEVELOPMENT OF OFFSHORE PLATFORMS FOR SMS MINING PART 2 CONCEPTUAL DESIGN OF THE PLATFORM Sotaro MASANOBU National...
Proceedings Papers

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 4, 777-782, June 6–11, 2010
Paper No: OMAE2010-20258
... ice zone offshore platform safety ensuring ice-induced vibration Nowadays, many existing offshore platforms which exceed or approach their design life are still carrying on with producing in the ice zone, so the safety operation is the key issues. In winter, sea ice is the controlling...
Proceedings Papers

Proc. ASME. OMAE2009, Volume 1: Offshore Technology, 41-46, May 31–June 5, 2009
Paper No: OMAE2009-79058
... model of an offshore platform is designed constructed on the basis of the analysis. The modal iments have been done on the model with the method of -point excitation and single-point response measurement. ynamic parameters of the model were identified including l frequencies, structural modes and shapes...
Proceedings Papers

Proc. ASME. OMAE2009, Volume 1: Offshore Technology, 169-174, May 31–June 5, 2009
Paper No: OMAE2009-79186
...-site retesting results showed that the average vibration level of zone I was reduced by 75.08%. The vibration levels of zone II and III were reduced by 49.36% and 49.13% respectively. So, the vibration control methods had the perfect effect on W12-1 platform. mega-frame offshore platform...
Proceedings Papers

Proc. ASME. OMAE2009, Volume 2: Structures, Safety and Reliability, 101-104, May 31–June 5, 2009
Paper No: OMAE2009-79102
... method as compared with nly used load identification method when used for such nd complex structures as offshore platforms and the cation accuracy of the method is satisfactory. ey words: vibration load; load identification; offshore ; neural network 1 INTRODUCTION With the development of offshore oil...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 2: Structures, Safety and Reliability, 519-525, June 15–20, 2008
Paper No: OMAE2008-57617
... caisson, offshore platform, jacket, clay, offshore structures, numerical approach. OMAE2008-57617 Traditionally, offshore jacket type platforms are designed Fig. 1: View of the finite element model of a suction with driven pile foundations. In few occasions a suction caisson concept has been used for...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 3: Pipeline and Riser Technology; Ocean Space Utilization, 711-716, June 15–20, 2008
Paper No: OMAE2008-57091
.... Mega-frame platform vibration control vibration theory offshore platform Proceedings of the ASME 27th International Conference on Offshore Mechanics and Arctic Engineering OMAE2008 June 15-20, 2008, Estoril, Portugal 1 Copyright © 2008 by ASME * Corresponding author. Project supported by...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 3: Pipeline and Riser Technology; Ocean Space Utilization, 717-722, June 15–20, 2008
Paper No: OMAE2008-57092
... platform under the same out loads. Mega-frame platform topological optimization vibration control offshore platform Sc (Y in co fi th th fr th gl ex lo So re Se ch co m m pe pl us vi un Proceedings of the ASME 27th International Conference on Offshore Mechanics and Arctic Engineering OMAE2008...
Proceedings Papers

Proc. ASME. OMAE2007, Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design, 181-186, June 10–15, 2007
Paper No: OMAE2007-29142
..., Shandong 250022 P. R. China fu Qu l Property Office ong 250014 hina Jungang Wang School of Mechanical Engineering University of Jinan Jinan, Shandong 250022 P. R. China Key words: Mega-frame platform; vibration control; vibration theory; offshore platform 1 INTRODUCTION The platforms are built in the...
Proceedings Papers

Proc. ASME. OMAE2007, Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design, 413-421, June 10–15, 2007
Paper No: OMAE2007-29368
... 22 05 2009 Most of the offshore platforms at sea are static and considered as rigid. This paper presents a series of towing tank experimental research to understand the wave and structure interaction for moonpool installed at static platform. It also gives a comparison of results...
Proceedings Papers

Proc. ASME. OMAE2003, Volume 3: Materials Technology; Ocean Engineering; Polar and Arctic Sciences and Technology; Workshops, 779-784, June 8–13, 2003
Paper No: OMAE2003-37479
... 09 01 2009 An offshore platform of jacket type in Bohai Bay vibrates excessively under design environmental conditions, which has affected the normal operation of the platform. In order to mitigate the vibration of the platform, it is essential important to explore the cause of the...
Proceedings Papers

Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B, 17-22, June 20–25, 2004
Paper No: OMAE2004-51008
... 05 01 2009 In order to control the excessive vibration of offshore platforms under wave excitations, an H 2 control algorithm was presented in this paper. In the present study, noise terms for generating filtered wave loading and accounting for model uncertainty are separated. In...
Proceedings Papers

Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B, 369-377, June 20–25, 2004
Paper No: OMAE2004-51179
... 05 01 2009 Health, comfort and the job efficiency of the crew of offshore platforms are factors deeply related to the acoustic quality of the places. The acoustic project of platforms include the noise prediction. It is a complex problem, because it involves several noise sources and...
Proceedings Papers

Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 543-547, June 12–17, 2005
Paper No: OMAE2005-67246
... offshore platform random wave vibration control feedforward-feedback control Conventional optimal control theories usually deal with optimal control force that involves only structural information. In order to control the excessive vibrations of offshore platforms more effectively, this...
Proceedings Papers

Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 659-663, June 12–17, 2005
Paper No: OMAE2005-67323
... very small under ndom external loadings. Furthermore, the MFPs will have r structures and suitable for blocking manufacturing. words: vibration theory; offshore platform; vibration ol; mega-frame structure RODUCTION ith the development of the economy, the requirement of ergy sources becomes more and...
Proceedings Papers

Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 2, 737-741, June 12–17, 2005
Paper No: OMAE2005-67324
... vibration theory DTMD system vibration control TMD system offshore platform The turned mass damper (TMD) system has found extensive applications in vibration control nowadays. The main disadvantage of the system is to add additional mass to the structures. In order to make use of its...