Blar i NTNU Open på forfatter "Myrhaug, Dag"
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Design of Artificial Seaweeds for Assessment of Hydrodynamic Properties of Seaweed Farms
Norvik, Carina (Master thesis, 2017)In recent years the prospect of having a seaweed industry in Norway has become of interest. Assessing the hydrodynamic properties of seaweed farms through experiments can help optimize its design and thereby potential ... -
Discussion/comments of "Parameterization of nearshore wave breaker index" by Chi Zhang, Yuan Li, Yu Cai, Jian Shi, Jinhai Zheng, Feng Cai and Hong Shuai
Myrhaug, Dag; Wang, Hong; Holmedal, Lars Erik (Peer reviewed; Journal article, 2022)The purpose of these comments and discussion has been to point out that wave statistics can be incorporated in future applications of the nearshore wave breaker index formula proposed by Zhang et al. (2021). This is ... -
Discussion/comments regarding "Distribution and air-sea fluxes of biogenic gases and relationships with phytoplankton and nutrients in the central basin of the South China Sea during summer" by X. Zhai, H.-H. Zhang, G.-P. Yang, J.-L. Li, D. Yuan
Myrhaug, Dag (Journal article; Peer reviewed, 2018)The purpose of this discussion is to demonstrate how a formula used by Zhai et al. (2018) can be utilized to estimate the sea-air fluxes of biogenic gases based on wind statistics. Results are exemplified using long-term ... -
Discussion/comments regarding "Sea spray icing phenomena on marine vessels and offshore structures: Review and formulation" by A.R. Dehghani-Sanij, S.R. Dehghani, G.F. Naterer, Y.S. Muzychka
Myrhaug, Dag; Fu, Ping (Journal article; Peer reviewed, 2017)The purpose of this discussion is to demonstrate how the formula for the liquid water content in wind-generated seawater spray presented by Dehghani-Sanij et al. (2017) in conjunction with available wind speed statistics ... -
Effect of Wave Skewness and Sediment Particle Size on Sediment Transport Due to Combined Wave-Current Seabed Boundary Layer Streaming
Afzal, Mohammad Saud; Holmedal, Lars Erik; Myrhaug, Dag (Peer reviewed; Journal article, 2022)The effect of wave skewness and sediment particle size on near-bed sediment dynamics and transport owing to wave-induced streaming is examined in this study. Here, wave-dominated flow over a flat rough bed is studied, with ... -
Effects of air-sea drag coefficient on estimating wind stress using wind statistics
Myrhaug, Dag; Wang, Hong; Holmedal, Lars Erik; Leira, Bernt Johan (Peer reviewed; Journal article, 2022)This article addresses the effects of the air-sea drag coefficient on estimation of wind stress based on wind statistics. This is achieved by applying the same wind stress parameterizations chosen by Wrobel-Niedzwiecka et ... -
Effects of an inserted circular cylinder on a steady lid-driven rectangular cavity flow
Zhu, Jianxun; Holmedal, Lars Erik; Myrhaug, Dag (Journal article; Peer reviewed, 2019)This paper provides numerical investigations of flow in a steady lid-driven cavity of depth to width ratio 1/3 containing a circular cylinder. The inner cylinder is treated using a direct-forcing immersed boundary method, ... -
Effects of soil profile variation and scour on structural response of an offshore monopile wind turbine
Li, Hui; Ong, Muk Chen; Leira, Bernt Johan; Myrhaug, Dag (Journal article, 2018)This paper presents an engineering approach to study the effects of soil profile variation and scour on structural response of an offshore monopile wind turbine. A wind-wave model for finite water depth is proposed to ... -
Estimation of breaking wave properties and their interaction with a jacket structure
Aggarwal, Ankit; Bihs, Hans; Shirinov, Seimur; Myrhaug, Dag (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 ... -
Estimation of wave power in shallow water using deep water wind and wave statistics
Myrhaug, Dag (Peer reviewed; Journal article, 2020)The article addresses how the wave power in shallow water can be estimated based on available wind and wave statistics for a deep water ocean area. The average statistical properties of the wave power in shallow water ... -
Experimental Investigation of Marine Fouling on Piles in Currents
Nedrebø, Eirik Leikvoll (Master thesis, 2014)Various effects of marine fouling on piles have been addressed through a literature study and an experimental investigation. The experimental investigation was conducted on circular cylinders in steady current at subcritical ... -
Experimental studies of wave-ice interactions – insights into data analysis methods and their applications to studying the wave-induced responses of ice cover
Li, Hongtao (Doctoral theses at NTNU;2020:228, Doctoral thesis, 2020)Studies of wave-ice interactions include field and laboratory experiments, theoretical model developments, the implementation of these theoretical models in simulation tools, and the validation and calibration of these ... -
Flow patterns in a steady lid-driven rectangular cavity with an embedded circular cylinder
Zhu, Jianxun; Holmedal, Lars Erik; Wang, Hong; Myrhaug, Dag (Peer reviewed; Journal article, 2020)A detailed investigation of the flow in a steady lid-driven cavity of depth to width ratio 1:2 containing a circular cylinder is provided. Three different Reynolds numbers (based on the lid velocity and cavity depth) of ... -
Fluid flow in steady and oscillatory lid-driven square cavities
Zhu, Jianxun; Holmedal, Lars Erik; Myrhaug, Dag; Wang, Hong (Peer reviewed; Journal article, 2017)This paper presents numerical simulations of steady and oscillatory lid-driven cavity flow at different Reynolds numbers with a fixed aspect ratio of 1:1. A projection method (P2 pressure correction method) is applied to ... -
Free Surface Reconstruction for Phase Accurate Irregular Wave Generation
Aggarwal, Ankit; Pakzodi, Csaba; Bihs, Hans; Myrhaug, Dag; Alagan Chella, Mayilvahanan (Journal article; Peer reviewed, 2018)The experimental wave paddle signal is unknown to the numerical modellers in many cases. This makes it quite challenging to numerically reproduce the time history of free surface elevation for irregular waves. In the present ... -
From Teaching as Transmission to Constructive Alignment: A Case Study of Learning Design
Gynnild, Vidar; Leira, Bernt Johan; Holmedal, Lars Erik; Myrhaug, Dag; Coll Mossige, Jon (Peer reviewed; Journal article, 2021)This paper reports on an action research study on curriculum design in an optional module at the Norwegian University of Science and Technology. There were two professors teaching their respective parts, henceforth termed ... -
High-Resolution CFD Modelling of Scour in the Marine Environment
Ahmad, Nadeem (Doctoral theses at NTNU;2018:371, Doctoral thesis, 2018)Marine structures are vulnerable to scour under extreme weather conditions. Wave interaction with the structures leads to sediment transport locally. This results in the formation of scour holes which can affect the ... -
Impacts of Mechanical Properties and Blade Morphology on Seaweed Hydrodynamics in Steady Flow
Olsen, Karoline Sjødal (Master thesis, 2017)Global environmental changes are a well known phenomenon affecting the climate around us. The challenges the world face in the coming 30 years regarding food production, climate change and adaption to new environments will ... -
Joint description of waves and currents applied in a simplified load case
Bruserud, Kjersti; Haver, Sverre; Myrhaug, Dag (Journal article, 2018)In order to perform a more accurate analysis of marine structures, joint probability distributions of different metocean parameters have received an increasing interest during the last decade, facilitated by improved ... -
Kombinert Wind- og Bølgekraft
Borenius, Rasmus (Master thesis, 2015)I denne master oppgaven ble muligheten for å kombinere vind- og bølgekraft undersøkt. Det er blitt utført et litteraturstudie på ulike konsepter av vindkraft, bølgekraft og kombinert vind- og bølgekraft. Basert på den ...