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Numerical investigation on blast-induced rock fragmentation with different stemming structures
(Peer reviewed; Journal article, 2023-09)Stemming is one of the main concerns in blast of rock engineering due to its impact on explosion energy consumption and rock excavation performance. In this study, blast-induced rock fragmentation under different stemming ... -
Numerical investigation on rock fragmentation under decoupled charge blasting
(Peer reviewed; Journal article, 2023-05)Blasting using decoupled charge is extensively applied in rock excavation and rock fragmentation. In this study, the rock fragmentation induced by blasting using decoupled charge is investigated by combined finite element ... -
Numerical investigations of flow around subsea covers at high Reynolds numbers
(Peer reviewed; Journal article, 2021)Two-dimensional (2D) numerical simulations of flow over wall-mounted rectangular and trapezoidal ribs subjected to a turbulent boundary layer flow with the normalized boundary layer thickness of δ/D = 0.73,1.96,2.52 (D is ... -
Numerical investigations of pipe flow downstream a flow conditioner with bundle of tubes
(Peer reviewed; Journal article, 2023-01)Flow conditioners are widely utilized in pipeline systems to improve the precision of flow rate measurement in the pipeline systems of the offshore and subsea oil and gas industry. There is a lack of knowledge about the ... -
Numerical Modelling and Sensitivity Analysis of Gas Kick Migration and Unloading of Riser
(Chapter, 2019)In deepwater wells there is a risk of gas entering the riser. This can be caused by gas being trapped by the BOP after a well kill operation, or it can be that the BOP was not closed quickly enough upon kick detection. ... -
Numerical modelling of a high temperature borehole thermal energy storage system: Norway case study
(Peer reviewed; Journal article, 2023)Global warming is threatening life on earth. Utilising renewable energy is considered as the most effective measure to minimise anthropogenic CO2 emissions. High-temperature borehole thermal energy storage (BTES) systems ... -
Numerical modelling of hydrodynamic responses of Ocean Farm 1 in waves and current and validation against model test measurements
(Peer reviewed; Journal article, 2021)With the continuous growing of the aquaculture industry and increasingly limited fish farming sites at close to shore areas both in Norway and worldwide, there is a need to develop fish farms suitable for aquaculture ... -
Numerical Optimisation of a Classical Stochastic System for Targeted Energy Transfer
(Peer reviewed; Journal article, 2022)The paper studies stochastic dynamics of a two-degree-of-freedom system, where a primary linear system is connected to a nonlinear energy sink with cubic stiffness nonlinearity and viscous damping. While the primary mass ... -
Numerical Simulation of Breaking Wave Loading on Standing Circular Cylinders with Different Transverse Inclined Angles
(Peer reviewed; Journal article, 2020)The purpose of this paper is to numerically simulate the breaking wave past a standing cylinder with different transverse inclined angles. The numerical simulations are carried out by solving the Unsteady Reynolds-Averaged ... -
Numerical simulation of FDM manufactured parts by adopting approaches in composite material simulation
(Peer reviewed; Journal article, 2019-11)Additive manufacturing (AM) process is a promising manufacturing method that can replace conventional manufacturing methods, particularly for parts with complex geometry. It is the process of joining materials layer by ... -
Numerical simulation of flow around two 5:1 rectangular cylinders at a high Reynolds Number
(Peer reviewed; Journal article, 2019)The unsteady flows around two stationary rectangular cylinders with a chord-to-thickness ratio of B/D = 5 at ReD = 2 × 105 (based on the free stream velocity and the width length D), are investigated using two-dimensional ... -
Numerical simulation of oxygen transport in land-based aquaculture tank
(Peer reviewed; Journal article, 2021-10)Dissolved oxygen is an important indicator of the water quality and important for fish survival in aquaculture. The distribution of the dissolved oxygen is highly dependent on the flow motions, the pressure and the temperature ... -
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-based effect characterization and design Optimization of micro cross-flow turbine
(Peer reviewed; Journal article, 2019)In this era of high power demand along with a need for sustainability, small and micro-scale hydro turbines are indispensable, especially for off-grid power generation. These hydro-turbines are more appealing, particularly ... -
Numerical simulations of flow around two tandem wall-mounted structures at high Reynolds numbers
(Peer reviewed; Journal article, 2020)In the present study, the flow around two-dimensional (2D) square and trapezoidal wall- mounted structures in tandem on a horizontal flat wall has been simulated using two-dimensional Reynolds-averaged Navier-Stokes (RANS) ... -
Numerical simulations of flow-induced vibrations of two rigidly coupled cylinders with uneven diameters in the upper transition Reynolds number regime
(Peer reviewed; Journal article, 2021)Two degree-of-freedom (2-DoF) flow-induced vibrations (FIV) of two rigidly coupled cylinders are numerically investigated at the Reynolds number of 3.6 × 106. Two- dimensional (2D) Unsteady Reynolds-Averaged Navier–Stokes ... -
Numerical simulations of the sliding impact between an ice floe and a ship hull structure in ABAQUS
(Peer reviewed; Journal article, 2022)This paper studies the hull structural responses of a steel grillage subjected to sliding ice loads, which have been rarely investigated in the literature. Sliding ice loads are modelled using nonlinear finite element ... -
Numerical stress analysis of tubular joints
(Peer reviewed; Journal article, 2021)The finite element analysis (FEA) presented in this paper pertains to the stress analysis of both the welded tubular T and X joints and is aimed to assess both the importance of the presence of the weld geometry and the ... -
Numerical study of a concept for major repair and replacement of offshore wind turbine blades
(Peer reviewed; Journal article, 2020-03)Repair and replacement of offshore wind turbine blades are necessary for current and future offshore wind turbines. To date, repair activities are often conducted using huge jack-up crane vessels and by applying a reverse ... -
A numerical study of density-unstable reverse circulation displacement for primary cementing
(Peer reviewed; Journal article, 2022)Primary cementing of the casing string is the operation where the annular space behind the casing is displaced to a cement slurry. Once hardened, the cement should form a solid annular barrier and provide zonal isolation ...