Blar i Institutt for marin teknikk på tidsskrift "Journal of Fluids and Structures"
Viser treff 1-20 av 23
-
A discrete-modules-based frequency domain hydroelasticity method for floating structures in inhomogeneous sea conditions
(Journal article; Peer reviewed, 2017)Based on the three-dimensional (3D) potential theory and finite element method (FEM), this paper proposes a new numerical method for hydroelastic predictions of floating structures in inhomogeneous seabed and wave field ... -
A study on fully nonlinear wave load effects on floating wind turbine
(Journal article; Peer reviewed, 2019)The influence of fully nonlinear wave effects on floating wind turbine has been studied in this paper by comparing both floater motions and structural responses of tower base and mooring lines exposed to linear and fully ... -
Analysis of full-scale riser responses in field conditions based on Gaussian mixture model
(Peer reviewed; Journal article, 2022)Offshore slender marine structures experience complex and combined load conditions from waves, current and vessel motions that may result in both wave frequency and vortex shedding response patterns. Field measurements ... -
Bag and floater motions of a fabric membrane cage
(Journal article; Peer reviewed, 2021) -
Estimation of breaking wave properties and their interaction with a jacket structure
(Journal article; Peer reviewed, 2019)The numerical investigation of breaking wave interaction with jacket type offshore wind turbine substructures is quite challenging due to multiple jacket members and the complicated hydrodynamics of breaking waves around ... -
Experimental and numerical study of an aquaculture net cage with floater in waves and current
(Journal article, 2015)The mooring loads on an aquaculture net cage in current and waves are investigated by dedicated model tests and numerical simulations. The main purpose is to investigate which physical effects are dominant for mooring ... -
Experimental study of current forces and deformations on a half ellipsoidal closed flexible fish cage
(Journal article; Peer reviewed, 2016)Closed flexible fish cages are proposed as a new concept in marine aquaculture, replacing the conventional net cages in order to meet ecological challenges related to fish lice and escapes. It is important to understand ... -
Experimental study of vortex-induced vibration of a twin-tube submerged floating tunnel segment model
(Peer reviewed; Journal article, 2020)The cross-flow vortex-induced vibration features of a submerged floating tunnel element, which is composed of two rigidly connected cylinders in a tandem configuration, were investigated via a self-oscillation model test ... -
Global force and moment in rectangular tanks through a modal method for wave sloshing
(Journal article, 2017)Basing on a modal description of the sloshing phenomenon, formulas for the global force and moment acting on two-dimensional rectangular tanks are proposed. These are extensively validated through comparison with experimental ... -
Hydroelastic response of concrete shells during impact on calm water
(Peer reviewed; Journal article, 2023)Many ocean structures located offshore are supported by large vertical concrete columns. High and steep storm waves – in the process of breaking – may induce large local slamming loads on these columns. The present work ... -
Large Eddy Simulations of flow around two circular cylinders in tandem in the vicinity of a plane wall at small gap ratios
(Journal article; Peer reviewed, 2018)Large Eddy Simulations (LES) with Smagorinsky subgrid scale model have been performed for the flow past two circular cylinders in tandem placed in the vicinity of a horizontal plane wall at very small gap ratios, namely ... -
Linear sloshing in a 2D rectangular tank with a flexible sidewall
(Journal article, 2017)A 2D rectangular sloshing tank with a flexible sidewall have been studied analytically and numerically, with a focus on the coupling between sloshing and the flexible wall. This analysis introduces new knowledge of the ... -
Linear wave response of a 2D closed flexible fish cage
(Journal article; Peer reviewed, 2019)Closed flexible fish cages (CFFC) are proposed as a new concept in marine aquaculture, replacing the conventional net cages in order to meet ecological challenges related to fish lice and escapes. A linear mathematical ... -
Linear wave-induced dynamic structural stress analysis of a 2D semi-flexible closed fish cage
(Peer reviewed; Journal article, 2020)Closed fish cages in the sea are proposed as a new concept in marine aquaculture, replacing the conventional net cages in order to meet ecological challenges related to fish lice and escapes. A closed fish cage can be ... -
Nonlinear vertical accelerations of a floating torus in regular waves
(Journal article; Peer reviewed, 2016)The longitudinal motions and vertical accelerations of a floating torus as well as wave motion inside the torus are studied by model tests in regular deep-water waves. Comparisons are made with linear and partly with ... -
Numerical and experimental investigations on mooring loads of a marine fish farm in waves and current
(Journal article; Peer reviewed, 2018)A realistic aquaculture fish farm system in both regular and irregular waves is investigated by numerical simulations and model tests. The main purpose is to develop a reliable numerical tool and in this respect to investigate ... -
Numerical study of a well boat operating at a fish farm in current
(Journal article; Peer reviewed, 2019)Dynamic response of a well boat operating at a fish farm in current is investigated numerically. An objective is to determine the operational conditions of the well boat. In terms of the fish farm, a realistic set-up (with ... -
Numerical study of a well boat operating at a fish farm in long-crested irregular waves and current
(Journal article; Peer reviewed, 2019)The dynamic response of a coupled well boat–fish farm system in irregular long-crested waves and current is analyzed numerically in the time domain. The main purpose is to investigate the influence of the well boat on the ... -
The relevance of recoil and free swimming in aquatic locomotion
(Peer reviewed; Journal article, 2021)The study of the free swimming of undulating bodies in an otherwise quiescent fluid has always encountered serious difficulties for several reasons. When considering the full system, given by the body and the unbounded ... -
Sloshing in a rotating liquid inside a closed sea cage for fish farming
(Peer reviewed; Journal article, 2021)Sloshing in a sea cage with a slowly rotating liquid is investigated. The cage is axisymmetric, and the liquid is subjected to a nearly uniform angular velocity about the vertical axis of the cage. Both experimental and ...