Improved recoil dynamic analysis of the deepwater riser system after emergency disconnection
Sign Up to like & getrecommendations! Published in 2021 at "Applied Ocean Research"
DOI: 10.1016/j.apor.2021.102719
Abstract: Abstract The riser recoil after emergency disconnection is a complicated multi-coupling process. However, most existing analytical models simplify the tensioner as a constant stiffness spring, divide the riser system into different finite element segments, and… read more here.
Keywords: riser system; emergency disconnection; model; recoil dynamic ... See more keywords
Dynamic effect analysis of the coiled tubing-in-riser system considering the operation and environmental parameters
Sign Up to like & getrecommendations! Published in 2020 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2020.107189
Abstract: Abstract The dynamic response of the coiled tubing (CT)-in-riser system is critical to the success of offshore CT operations. The purpose of this work is to investigate the mechanical behavior of the CT and the… read more here.
Keywords: coiled tubing; system; riser system; tubing riser ... See more keywords
Data-driven model and key features based on supervised learning for truncation design of mooring and riser system
Sign Up to like & getrecommendations! Published in 2021 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2021.108743
Abstract: Abstract A truncated mooring and riser system is the foundation of hybrid model testing of deepwater floating platforms. Existing truncation design methods are mainly based on multi-objective optimization algorithms, which make them complicated and time-consuming.… read more here.
Keywords: mooring riser; data driven; truncation design; riser system ... See more keywords
Boundary barrier-based control of a flexible riser system
Sign Up to like & getrecommendations! Published in 2017 at "Iet Control Theory and Applications"
DOI: 10.1049/iet-cta.2016.1484
Abstract: In this study, the vibration control and boundary output constraint problem of a marine riser system subjected to the disturbances are investigated. The control objective is to ensure the vibration reduction of the marine riser… read more here.
Keywords: riser system; control; riser; based control ... See more keywords
PDE Based Adaptive Control of Flexible Riser System With Input Backlash and State Constraints
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2022.3149290
Abstract: In this paper, a class of flexible riser systems modeled by partial differential equations (PDEs) with the backlash is considered. The backlash is formulated as the addition of a linear input and a interference-like term,… read more here.
Keywords: flexible riser; riser; riser system; backlash ... See more keywords
Optimal Design of the Gating and Riser System for Complex Casting Using an Evolutionary Algorithm
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15217490
Abstract: The gating and riser system design is essential for both quality and cost in large-scale casting and is expected to reach several objectives simultaneously. However, even with the help of commercial simulation software, the design… read more here.
Keywords: riser system; design; gating riser; design gating ... See more keywords