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A Numerical Parameter Study on Current Forces on Circular Aquaculture Net Cages
(Chapter, 2013)The focus in this paper is on current forces on circular aquaculture nets, and how they vary with different parameters. The main parameters are current velocity and profile, solidity ratio of the net, sinker weights and ... -
Numerical performance investigation of a CO2 heat pump and refrigeration system for a Nordic hotel
(Chapter, 2019)This article evaluates the first adaptation of a CO2 supermarket unit as an integrated solution for hotel applications. The system consists of a single unit for heating, ventilation, air-conditioning (HVAC) and domestic ... -
Numerical Prediction of Ship-Ice Interaction: A Project Presentation
(Chapter; Peer reviewed, 2017)It is inevitable that commercial shipping and oil and gas resource exploitation activities in the Arctic will increase due to decreasing sea ice extent caused by global climate changes. Significantly more demanding and at ... -
Numerical prediction of wave patterns due to motion of 3D bodies by Kelvin-Havelock sources
(Peer reviewed; Journal article, 2016)This paper discusses the numerical evaluation of the hydrodynamic characteristics of submerged and surface piercing moving bodies. Generally, two main classes of potential methods are used for hydrodynamic characteristic ... -
Numerical simulation and analysis of phase focused breaking and non-breaking wave impact on fixed offshore platform deck
(Peer reviewed; Journal article, 2020)Extreme wave impact due to tsunamis and storm surge create large wave heights that cause destruction to coastal and offshore structures. Focused waves have been used to represent such extreme waves, and in the present ... -
Numerical simulation and comparison with experiments of a floating wind turbine using a direct forcing method
(Chapter, 2022)The open-source Computational Fluid Dynamic (CFD) code REEF3D is used to simulate the hydrodynamic loads and motion response of a floating wind turbine substructure, the INO WINDMOOR semisubmersible floating wind turbine. ... -
Numerical Simulation and Modelling Convention of Unsteady Fluidelastic Forces of Tube Arrays
(Peer reviewed; Journal article, 2021)This paper presents a numerical investigation on the unsteady fluidelastic forces of tube arrays. The key focus is on the consistency between the unsteady fluidelastic force model and the quasi-steady model for tube arrays ... -
Numerical Simulation and Validation of a High Head Model Francis Turbine at Part Load Operating Condition
(Journal article, 2017)Hydraulic turbines are operated over an extended operating range to meet the real time electricity demand. Turbines operated at part load have flow parameters not matching the designed ones. This results in unstable flow ... -
Numerical simulation of bubble growth in a supersaturated solution
(Journal article; Peer reviewed, 2020)In this paper, a Volume of Fluid (VOF) based approach to simulate the growth of a pre-existing bubble in a supersaturated solution is developed and implemented in OpenFOAMⓇ. The model incorporates the Compressive Continuous ... -
Numerical simulation of continuum scale electrochemical hydrogen bubble evolution
(Peer reviewed; Journal article, 2021)One of the important aspects in improving the efficiency of electrochemical processes, such as water electrolysis, is the efficient removal of bubbles which evolve from the electrodes. Numerical modelling based on Computational ... -
Numerical Simulation of Free-Surface Waves past Two Semi-Submerged Horizontal Circular Cylinders in Tandem
(Journal article; Peer reviewed, 2017)Two-dimensional (2D) numerical simulations are performed to investigate free surface waves past two semi-submerged horizontal circular cylinders in tandem. The 2D simulations are carried out by solving the Unsteady ... -
Numerical Simulation of Fully Nonlinear Interaction Between Regular and Irregular Waves and a 2D Floating Body
(Chapter, 2019)A fully nonlinear Navier-Stokes/VOF numerical wave tank, developed within the open-source CFD toolbox OpenFOAM, is used to investigate the response of a moored 2D floating body to nonlinear wave loads. The waveDyMFoam ... -
Numerical Simulation of Hydrodynamics Around Net Meshes Using REEF3D
(Chapter, 2020)Hydrodynamics and turbulence around net meshes have drawn more and more attention because it is closely related to forces on the structures and safety issues of offshore fish farms. In terms of numerical modeling of forces ... -
Numerical Simulation of Interactions between Water Waves and a Moored-Floating Breakwater
(Chapter, 2018)Floating breakwaters offer a cost-efficient alternative to common emerged rubble mound breakwaters in deep water coastal areas or harbors with poor seabed conditions. Often, simple box type structures with a suitable mooring ... -
Numerical Simulation of Mutual Capacitance Touch Screens for Ungrounded Objects
(Journal article; Peer reviewed, 2017) -
Numerical simulation of piggyback pipelaying under current loadings
(Peer reviewed; Journal article, 2023)For piggyback pipelaying operations, current-induced force and its effect on the piggyback pipe have not been thoroughly studied. In the present study, an improved method in hydrodynamic load calculation and structural ... -
Numerical simulation of pore pressure in rock joints during pressure transient in an unlined hydropower tunnel
(Chapter, 2020)Recent experimental result shows that pressure transients of both short and long time periods; i.e. water hammer and mass oscillation; can travel into the rock mass of an unlined hydropower tunnel through rock joints. It ... -
Numerical simulation of thermal environment at different relative humidity levels in one operating room of St. Olav’s hospital
(Journal article, 2021)This study investigated the influence of three different levels of relative humidity, 20%, 40%, and 60% on the thermal comfort of surgical patient and staff in one operating room of St. Olav’s hospital with mixing ventilation. ... -
Numerical Simulation of Wave Interaction with Submerged Porous Structures
(Peer reviewed; Journal article, 2020)The study of wave interaction with porous structures is essential as coastal structures are often porous in nature because of their prominent energy dissipation characteristics. The present work is focused on the numerical ... -
Numerical simulation of waves and local scour around vertical cylinders in a triangular arrangement using REEF3D
(Chapter, 2015)Coastal and offshore structures are generally supported by a group of cylinders. The stability of the structures can be threatened by sediment transport around the foundations. To explore this topic in detail, numerical ...