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Numerical assessment of a double-acting offshore vessel's performance in level ice with experimental comparison
(Journal article; Peer reviewed, 2014-10)In this paper a numerical model is used to investigate the level ice performance of a double-acting intervention vessel, and the results are compared with a limited set of experimental data. The icebreaking capability and ... -
Numerical assessment of an automotive derivative CHP fuel cell system
(Peer reviewed; Journal article, 2017)In this paper we model the performance of a PEM-based CHP system. Such a system represents the first layout under investigation within the AutoRe project, which aims at developing an automotive derivative CHP stationary ... -
Numerical benchmarking of fluid–structure interaction: An isogeometric finite element approach
(Journal article; Peer reviewed, 2016)In this paper we describe and evaluate an isogeometric finite element program, IFEM-FSI, for doing coupled fluid–structure interaction simulations. We investigate the role played by employing higher polynomial orders and ... -
Numerical evaluation of co‐firing solid recovered fuel with petroleum coke in a cement rotary kiln: Influence of fuel moisture
(SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)This paper presents a numerical simulation model for cocombustion of coarse Solid Recovered Fuel (SRF) with pulverised petroleum coke in a rotary kiln producing cement clinker. The objective is to derive a reliable ... -
Numerical Integration and Interpolation in Marine Pollutant Transport Modelling
(Chapter, 2018)Transport modelling of oil and other chemicals in the ocean relies on information on curret velocity as a function of position and time, v(x, t). These data will in many cases be supplied from an ocean circulation model, ... -
Numerical integrators for Lagrangian oceanography
(Journal article; Peer reviewed, 2020-12-01)A common task in Lagrangian oceanography is to calculate a large number of drifter trajectories from a velocity field pre-calculated with an ocean model. Mathematically, this is simply numerical integration of an Ordinary ... -
Numerical investigation of a novel pattern for reducing residual stress in additive manufacturing
(Peer reviewed; Journal article, 2020)Deposition patterns can significantly affect residual stress distribution in additive manufacturing processes. In this paper, a novel deposition pattern, the S-pattern, is proposed for the additive manufacturing process. ... -
Numerical investigation of free-stream turbulence effects on the transition-in-wake state of flow past a circular cylinder
(Journal article; Peer reviewed, 2018)We investigate how a turbulent free-stream (TFS) affects the transition-in-wake state of flow past a cylinder. Direct numerical simulations of a decaying TFS flow past a cylinder have been performed, where the intensity ... -
Numerical investigation of heat transfer in a CO2 two-phase ejector
(Journal article; Peer reviewed, 2018)In this paper, the influence of heat transfer in the walls of an R744 two-phase ejector on ejector performance was investigated. A numerical investigation was performed using a computational fluid dynamic (CFD) model of ... -
Numerical Investigation of Irregular Breaking Waves for Extreme Wave Spectra Using CFD
(;ISOPE-I-17-460, Chapter, 2017-06)Offshore structures are exposed to irregular sea states. It consists of breaking and non-breaking waves. They experience breaking wave loads perpetually after being installed in the open ocean. Thus, the study of wave ... -
Numerical investigation of modeling frameworks and geometric approximations on NREL 5 MW wind turbine
(Journal article; Peer reviewed, 2018)The key to the better design of an industrial scale wind turbine is to understand the influence of blade geometry and its dynamics on the complicated flow-structures. An industrial-scale wind turbine can be numerically ... -
Numerical investigation of particle types influence on packed bed adsorber behaviour
(SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)Packings are an inseparable part of Chemical Engineering processes like adsorption. Computational Fluid Dynamics (CFD) simulations on fully resolved packed beds can provide local flow information (e.g. wall effects and ... -
Numerical Investigation of Vortex-Induced Vibrations of a Flexible Riser with Staggered Buoyancy Elements
(Journal article; Peer reviewed, 2020-01-30)This paper presents a numerical algorithm used together with a Finite-Element based Vortex-Induced Vibration (VIV) prediction software VIVANA to obtain a hydrodynamic force coefficient database based on response measurements ... -
Numerical Investigations to Quantify the Effect of Horizontal Membranes on the Performance of a Fluidized Bed Reactor
(Peer reviewed; Journal article, 2012)Reactive simulations of gas-solid flows occurring in fluidized beds with horizontal membrane insertion were carried out using computational fluid dynamics based on the kinetic theory of granular flows. The effect of altering ... -
Numerical model for flow in rocks composed of materials of different permeability
(SINTEF Proceedings;1, Chapter, 2015)In the oil and gas industry permeability measurements on rock samples give an indication of the capacity to produce the output (oil/gas etc). Permeability of small samples can be derived from x-ray Computed Tomography (CT) ... -
Numerical modeling of non-Newtonian fluid flow in fractures and porous media
(Journal article; Peer reviewed, 2017)Non-Newtonian fluids having Bingham or power-law rheology are common in many applications within drilling and reservoir engineering. Examples of such fluids are drilling muds, foams, heavy oil, hydraulic-fracturing and ... -
Numerical Modeling of Radial Fracturing of Cement Sheath Caused by Pressure Tests
(Chapter; Peer reviewed, 2019)To achieve an acceptable level of zonal isolation, well integrity should be guaranteed in hydrocarbon production and geological CO2 sequestration. Well pressure test can cause different types of failures in the well system ... -
Numerical modelling of (thin) oil films - Improved behaviour and life time of thin films in the OSCAR model
(SINTEF Ocean report;OC2017 A-181, Research report, 2017-09-21)The PETRO MAKS project "Formation and behaviour of thin oil films and evaluation of response methods including HSE", in the following short "Thin oil films" has the objective to achieve new knowledge more efficient and ... -
Numerical Modelling of Drag and Lift Forces on Aquaculture Nets: Comparing New Numerical Load Model With Physical Model Test Results
(Chapter; Peer reviewed, 2022)The Norwegian aquaculture industry expands towards sites with a harsher current and wave environment than before, while utilizing larger and more complex designs. This increases the need of precise modelling of hydrodynamic ... -
Numerical modelling of field test for crack risk assessment of early age concrete containing fly ash
(Journal article; Peer reviewed, 2018-09-09)The high-strength/high-performance concretes are prone to cracking at early age due to low water/binder ratio. The replacement of cement with mineral additives such as fly ash and blast-furnace slag reduces the hydration ...