Dynamic analysis of the marine riser

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August undefined, 2024

WebMar 1, 2010 · This paper models flexible risers and pipelines as slender elastica structures. The theoretical formulation leads to a type of nonlinear boundary value problem that can be solved numerically given appropriate boundary conditions. The offsetting effects of gravity and buoyancy are included in the analysis. These forces can provide considerable axial … WebJan 30, 2024 · This paper proposes an adaptive boundary control for vibration suppression of a flexible marine riser system. The dynamic model of the riser system is described in the form of a nonlinear nonhomogeneous hyperbolic partial differential equation and four ordinary differential equations.

Adaptive vibration control of a flexible marine riser via the ...

Webof dynamic analysis of marine risers. Park and Jung (2002) presented a 3D numerical analysis of lateral responses of long slender marine structure (risers) under combined, … WebJul 1, 1979 · The designer of a marine riser system must take into account the expected peak dynamic bending stress in the riser, the maximum bottom angle or riser slope at … greenwith recyclers

Dynamic and static analysis of a marine riser - 百度学术

WebAug 29, 2024 · Wu et al. developed a dynamic model for offshore drilling riser based on the Hamilton principle and conducted the nonlinear vibration analysis of riser, and their … WebMay 29, 2024 · The VFIFE method has attracted the attention of many researchers; it has been applied in the dynamic analysis of a marine riser under hydrodynamics [21,22] and the vibration and collapse of two-dimensional cable-stayed bridges under earthquakes , while the application of the VFIFE method in the seismic characteristic analysis of OCS … WebMar 30, 2024 · Dynamic Analysis of A Subsea Suspended Manifold Going Through Splash Zone During Installation ... Dynamic behaviors of a marine riser with variable length during the installation of a subsea production tree, Journal of Marine Science and Technology, 23(2), 378–388. Article Google Scholar Jia, D. and Agrawal, M., 2014. Fluid-structure ... foam insulation flat roof

Nonlinear vibration of marine riser with large displacement

Mathematical Modelling and Dynamic Analysis of an Offshore …

WebThis article is focused on the dynamic analysis of a coupled vessel/riser/equipment system of a DSM based on radial basis function (RBF) neural network approximations while considering vessel dynamic positioning (DP) and active heave compensation (AHC). A coupled model including the production support vessel (PSV), lifting riser, and slurry ... Web@article{osti_6533883, title = {Numerical solution techniques for dynamic analysis of marine riser}, author = {Ertas, A and Kozik, T J}, abstractNote = {A riser is one of the major components of a drilling system used for drilling offshore wells from floating vessels. It is a structural link between the drilling vessel and the wellbore at sea floor and is used in … foam insulation for basementWebJan 1, 2000 · A vortex induced vibration of marine riser in waves. The lateral vibration of a pipe conveying a fluid is investigated theoretically and experimentally. An exact solution … foam insulation dryer vent

"WebOct 8, 2024 · The top-tensioned riser is an important equipment in offshore oil and gas development. The hydro-pneumatic tensioner is an essential device to ensure the safety … " - Dynamic analysis of the marine riser

Dynamic analysis of the marine riser

Dynamic analysis of a marine riser - UBC Library Open Collections

WebPassionate and dedicated Marine Operation engineer (MSc from Marine Technology, NTNU) with almost 5 years of providing technical Marine Operation solutions to clients. Solid understanding and experience in all marine operation phases (concept study, FEED study, tender, procurement, installation and offshore campaign). A problem-solver with … WebThis paper investigates the vibration analysis of marine risers by combining the dynamic stiffness method with the WKB theory, which assumes that the coefficients in the …

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WebMar 1, 1982 · The basic equations for nonplanar transverse vibrations of marine risers are derived from the theory of elastic rods. A numerical method is developed for solution of the equations by time integration. Spatial discretization is accomplished by a hybrid finite element method. Vortex excitation is modeled by the coupled wake oscillator proposed … WebDec 31, 1994 · The equations of motion for a marine riser undergoing large deflections and rotations are derived using a modal discretization approach. Shear effects based on …

WebZooplankton plays an essential role in marine ecosystems as the link between primary producers (phytoplankton) and higher trophic levels in food webs, and as a dynamic pool of recruits for invertebrates and fish. Zooplankton communities are diverse with a patchy distribution at different spatial scales, influenced by oceanographic processes. WebA frequency domain normal mode solution is presented for the dynamic response of an unbuoyed marine riser subjected to periodic excitation from a surface vessel in the …

WebThe equations of motion for a marine riser undergoing large deflections and rotations are derived using a modal discretization approach. Shear effects based on nonlinear elastic … WebMar 3, 2024 · This paper performs the stochastic dynamic response analysis of marine risers with material uncertainties, i.e. in the mass density and elastic modulus, by using …

WebFeb 9, 1982 · Dynamic Analysis of Marine Risers. Paper presented at the Offshore South East Asia Show, Singapore, February 1982. Drilling and production in deeper water …

WebThis paper investigates the vibration analysis of marine risers by combining the dynamic stiffness method with the WKB theory, which assumes that the coefficients in the differential equation of motion are slowly varying. A general marine riser is a long slender beam system with variable tension distribution, bending rigidity and mass density. foam insulation for ac pipeWebThe analysis is concerned with static and dynamic behaviour of the explorational marine riser exposed to the sever environmental conditions. The most significant influence … foam insulation for brick veneerWebJan 24, 2024 · Despite the availability of various patents on marine hoses, marine risers, pipelines, there are still limited reports on full-scale developments on marine bonded hoses despite the progress that has been made in industry and its commercialisation. ... Amaechi (Citation 2024) provided a comprehensive overview of static and dynamic analysis ... greenwith recycling depotWebOct 8, 2024 · The top-tensioned riser is an important equipment in offshore oil and gas development. The hydro-pneumatic tensioner is an essential device to ensure the safety of the top-tensioned riser. To investigate the dynamic performance of the marine platform hydro-pneumatic tensioner, this paper proposed a first-order Taylor approximation … foam insulation for block wallsWebRESEARCHER in the field of marine risers supsea pipelines dynamic and fatigue analysis. University of Tabriz. Company Website. Report this profile Report Report. … foam insulation for basement wallsWebSep 1, 1987 · Marine risers are modeled as thin-walled, slender, extensible or inextensible, tubular beams subject to nonlinear three-dimensional hydrodynamic loads of interactive … greenwith primary school parent portalWebA frequency domain normal mode solution is presented for the dynamic response of an unbuoyed marine riser subjected to periodic excitation from a surface vessel in the direction of wave propagation. The variable tension beam-column equation is solved in terms of normal modes of free vibration of the riser and the rigid body displacement. green with red