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Numerical and experimental investigation of floating structures in regular waves
(Chapter, 2019)In this paper, an experimental and numerical study of a floating object is presented. The incorporation of both experimental and numerical tools for the investigation of a simple floating object provides the opportunity ... -
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 and Experimental Study on the Parametric Roll Resonance for a Fishing Vessel with and without forward speed
(Peer reviewed; Journal article, 2020)The parametric resonance in roll motion (known shortly as parametric roll) was studied for a fishing vessel in regular waves. This is an instability and resonance phenomenon that can lead the roll to reach very high ... -
Numerical and Experimental Study on the Seakeeping Behavior of Floating Closed Rigid Fish Cages
(Chapter, 2018)The present paper addresses the seakeeping behavior of a rigid type of floating closed fish cages, with focus on effects of sloshing on the coupled motions and mooring loads. Closed cages have gained much attention recently ... -
Numerical and Physical Analysis on the Response of a Dam’s Radial Gate to Extreme Loading Performance
(Peer reviewed; Journal article, 2020)Maintaining the reservoir safety of large dams has considerable importance for the public where they are constructed in heavily populated and industrialized areas. The extreme hydrodynamic force caused by ground acceleration, ... -
Numerical approach for generic three‐phase flow based on cut‐cell and ghost fluid methods
(Peer reviewed; Journal article, 2019)In this paper, we introduce numerical methods that can simulate complex multiphase flows. The finite volume method, applying Cartesian cut‐cell is used in the computational domain, containing fluid and solid, to conserve ... -
Numerical approaches for thermochemical conversion of char
(Peer reviewed; Journal article, 2022)This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that ... -
Numerical aspects of anisotropic failure in soft biological tissues favor energy-based criteria: A rate-dependent anisotropic crack phase-field model
(Journal article; Peer reviewed, 2018)A deeper understanding to predict fracture in soft biological tissues is of crucial importance to better guide and improve medical monitoring, planning of surgical interventions and risk assessment of diseases such as ... -
Numerical assessment of a double-acting offshore vessel's performance in level ice with experimental comparison
(Journal article; Peer reviewed, 2014)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 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 bifurcation for the capillary Whitham equation
(Journal article, 2017)The so-called Whitham equation arises in the modeling of free surface water waves, and combines a generic nonlinear quadratic term with the exact linear dispersion relation for gravity waves on the free surface of a fluid ... -
Numerical conservative solutions of the Hunter–-Saxton equation
(Peer reviewed; Journal article, 2021)In the article a convergent numerical method for conservative solutions of the Hunter–Saxton equation is derived. The method is based on piecewise linear projections, followed by evolution along characteristics where the ... -
Numerical Evaluation of Modal Properties Change of Railway Bridges during Train Passage
(Journal article; Peer reviewed, 2017)During the passage of vehicles over a bridge, both systems (vehicle and bridge) are coupled together. This coupling is generally accounted for in vehicle-bridge interaction analyses. It is also commonly acknowledged that ... -
Numerical Evaluation of Rotordynamic Coefficients for Compliant Foil Gas Seal
(Peer reviewed; Journal article, 2020)Compliant foil gas seal is one of the advanced cylindrical gas seal technologies and can be commonly used in the secondary flow system of an aero-engine. It can enhance the dynamic stability of the aero-engine by meeting ... -
Numerical Evaluation of T-stress under Mixed Mode Loading Through the Use of Coarse Meshes
(Journal article; Peer reviewed, 2018)The present paper investigates the employment of coarse meshes in evaluating the T-stress with the displacement method. Several finite element analyses have been carried out with different mesh refinements and accuracies. ... -
Numerical evaluation on parametric choices influencing segmentation results in radiology images—a multi-dataset study
(Peer reviewed; Journal article, 2021)Medical image segmentation has gained greater attention over the past decade, especially in the field of image-guided surgery. Here, robust, accurate and fast segmentation tools are important for planning and navigation. ... -
A numerical framework for estimating the effective reproduction number of infectious diseases from compartmental epidemic models
(Peer reviewed; Journal article, 2021)We present a numerical framework for estimating the effective reproduction number of infectious diseases from compartmental epidemic models. The idea is to augment the reproduction number as an extended state variable in ... -
A numerical framework for modelling the dynamics of open ocean aquaculture structures in viscous fluids
(Peer reviewed; Journal article, 2020)This paper presents a complete numerical framework for modelling open ocean aquaculture structures in waves and current using Computational Fluid Dynamics (CFD). A structural dynamics model is incorporated to account for ... -
Numerical Generation of Hill-Diagrams; Validation on the Francis99 Model Turbine
(Journal article; Peer reviewed, 2018)This article compares a numerically simulated, and an experimentally obtained Hill-Diagram. The Francis99 model turbine was used in the validation. By using steady-state simulations and passage modeling in ANSYS CFX, the ... -
A numerical geotechnical model for computing soil slides at banks of water reservoirs
(Peer reviewed; Journal article, 2020)Soil slides can occur when the water level in a lake or a reservoir is lowered. This may take place in situations when a reservoir is flushed to remove sediments. The current study describes a three-dimensional numerical ...