A new continuum based non-linear finite element formulation for modeling of dynamic response of deep water riser behavior [PDF]
, 2009 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The principal objective of this investigation is to develop a nonlinear continuum based finite element formulation to examine dynamic response of flexible ...
Hosseini Kordkheili, Seyed Ali
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Reduced-order modelling of vortex-induced vibration of catenary riser [PDF]
, 2009 A new reduced-order model capable of analyzing the vortex-induced vibration of catenary riser in the ocean current has been developed. This semi analytical-numerical approach is versatile and allows for a significant reduction in computational effort for
O' Brien, P. +2 more
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Development of a constitutive model to simulate unbonded flexible riser pipe elements [PDF]
, 2008 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The principal objective of this investigation is to develop a constitutive model to simulate the hysteresis behaviour of unbonded flexible risers.
Bahtui, Ali
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Vortex-induced vibration of catenary riser: reduced-order modeling and lock-in analysis using wake oscillator [PDF]
, 2009 A new reduced-order model capable of analyzing the vortex-induced vibration of catenary riser in the ocean current has been developed. This semi analytical-numerical approach is versatile and allows for a significant reduction in computational effort for
O'Brien, P. +4 more
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Characteristics and forces due to slugs in an 'S' shaped riser [PDF]
, 2003 The characteristics and forces due to slugs in an 'S' shaped riser have been investigated. A series of experiments were carried out using the Cranfield University Riser Test Facility, using a 9.9m high riser. Single phase (water) and two phase (air and
Das, I. A. F.
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Analysis of Marine Risers Subjected to Shoal/Deep Water in the Installation Process
Polish Maritime Research, 2022 The dynamics of the installation process of marine risers subjected to shoal/deep seawater is studied. The riser is assumed to be a cantilevered Euler‒Bernoulli beam. The upper end of the riser is clamped on the vessel or the drilling platform. The lower
Wang Yikun +5 more
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Preliminary instability-analysis of deepwater riser with fairings [PDF]
, 2009 Instability of deepwater riser with fairings is investigated in this study. Despite the advantages over other devices for suppressing vortex-induced-vibration (VIV), fairings may be susceptible to flutter type instability.
Huang, Shan, Khorasanchi, Mahdi
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Guidelines on Composite Flexible Risers: Monitoring Techniques and Design Approaches
Energies, 2022 The increasing energy demand has led to more explorations in the oil and gas industry. To achieve this, marine risers and pipelines are used to convey fluid and other resources to meet the increasing demand.
Chiemela Victor Amaechi +4 more
doaj +1 more source
Recoil Control of Deepwater-Drilling Riser with Optimal Guaranteed Cost H∞ Control
Applied Sciences, 2022 In deepwater-drilling engineering, it is necessary to disconnect the bottom equipment of the lower marine-riser package from the blowout preventer when encountering multi-hazard environmental factors.
Yue-Ting Sun +4 more
doaj +1 more source
Investigation of various pipe materials for riser operation in the arctic seas [PDF]
E3S Web of Conferences, 2023 А riser, which is an offshore water separation column is the main difference between offshore drilling and onshore drilling. The idea of the research is to calculate the stressed-deformed state of a riser made of various materials to identify ...
Yangirov Farit +3 more
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