Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM): Nye registreringer
Viser treff 321-340 av 1741
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Bruk av nettbrett til digitale innleveringer i fag med matematisk notasjon
(Peer reviewed; Journal article, 2021)MNT-fag har utstrakt bruk av matematisk notasjon og diagrammer. For øvingsoppgaver og eksamen i disse fagene blir det fortsatt overveiende brukt penn og papir. Samtidig er det et økende fokus på digitalisering. Digitale ... -
Environment-assisted fatigue of steel bridges: A conceptual framework for life assessment
(Peer reviewed; Journal article, 2021)This paper presents a framework based on a recently proposed fatigue strength curve of corroded steel to assess the life of an existing steel bridge exposed to environment-assisted fatigue. Environment-assisted cracking ... -
A 2D model for the study of equilibrium glide paths of UiS Subsea Freight-Glider
(Peer reviewed; Journal article, 2021)A planar mathematical model for the analysis of equilibrium glide paths of the UiS subsea freight-glider (USFG) is presented. The model is developed using Simscape Multibody in MATLAB/Simulink to study the ever-changing ... -
Bending-induced local buckling during offshore installation of multi-layered FRP pipelines
(Peer reviewed; Journal article, 2021)In the last two decades FRP pipelines have attracted the attention of the oil industry because of their high strength, excellent fatigue performance and low specific weight. On the other hand, the final cost of installation ... -
Tuning for robust and optimal dynamic positioning control in BlueROV2
(Peer reviewed; Journal article, 2021)A tuning approach for the robust and optimal dynamic positioning control of BlueROV2 subjected to currents with varying speeds and headings is presented. A 2D planar dynamic model of BlueROV2 is developed in Matlab/Simulink ... -
An evaluation of key challenges of CO2 transportation with a novel Subsea Shuttle Tanker
(Peer reviewed; Journal article, 2021)Recently, a novel Subsea Shuttle Tanker (SST) concept has been proposed to transport carbon dioxide (CO2) from ports to offshore oil and gas fields for either permanent storage or enhanced oil recovery (EOR). SST is a large ... -
A practical design procedure for initial sizing of heaving point absorber wave energy converters
(Peer reviewed; Journal article, 2021)Designing a wave energy converter with the proper size has always been challenging since it is a trade-off between many factors including cost, practicality, and energy output. In this paper a practical design procedure ... -
Bending capacity of multi-layered FRP pipelines during offshore installation
(Peer reviewed; Journal article, 2021)The Fiber Reinforced Polymeric (FRP) pipelines have higher strength than steel, and excellent fatigue behavior and corrosion resistance. Because of their superior performance in mechanical loads and corrosive environment, ... -
A compensation scheme applied on wind turbine blade pitch control for the reduction of non-torque main shaft loads
(Peer reviewed; Journal article, 2021)It has been well established that non-torque main shaft loads influence the internal drive train loads. This paper proposes a scheme that compensates for non-torque loads in the blade pitch controller. The compensation ... -
Experimental investigation of crack width variation along the concrete cover depth in reinforced concrete specimens with ribbed bars and smooth bars
(Peer reviewed; Journal article, 2021)Crack width variation along the concrete cover depth has been studied from the past for better understanding of the cracking phenomenon in reinforced concrete (RC) structures. Previous studies have highlighted important ... -
Aerodynamic study of a suspension bridge deck by CFD simulations, wind tunnel tests and full-scale observations
(Peer reviewed; Journal article, 2021)Assessing the aerodynamic characteristics of long-span bridges is fundamental for their design. Depending on the terrain complexity and local wind conditions, episodes of large angles of attack (AoA) of 15° may be observed. ... -
Dual lidar wind measurements along an upstream horizontal line perpendicular to a suspension bridge
(Peer reviewed; Journal article, 2021)Remote wind sensing can complement traditional anemometry at a bridge site and contribute to an improved wind-resistant design of long-span bridges. This study examines wind lidar measurement data recorded along a ... -
The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective
(Peer reviewed; Journal article, 2021)Models for predicting top-of-line corrosion (TLC) rates on carbon steels are important tools for cost-effectively designing and operating natural gas transportation pipelines. The work presented in this paper is aimed to ... -
Use of digital technology to follow the consequences of a warming Arctic climate
(Peer reviewed; Journal article, 2021)The rapid warming climate is causing the Arctic ice to retreat and the permafrost to melt. These visible manifestations of the ongoing climate change are few of many environmental and societal changes that take place in ... -
Study of Bondura® Expanding PIN System – Combined Axial and Radial Locking System
(Peer reviewed; Journal article, 2021)Bolted connections are widely used in parallel plates and flanged joints to axially lock using the preload generated by the tightening torque and to constrain radial movements of the flanges by the surface friction between ... -
Experimental study of physical, chemical and mechanical properties of enset and sisal fibers
(Peer reviewed; Journal article, 2021)The properties of composites depend on type and properties of the fiber, fiber structure and treatment. In this study, effects of NaOH treatment on the physical, chemical and mechanical properties of fibers collected from ... -
Safety related study of Expanding Pin systems application in lifting and drilling equipment within Construction, Offshore, and Marine sectors
(Peer reviewed; Journal article, 2021)A questionnaire-based survey has been performed among original equipment manufacturers (OEMs), sub-suppliers, engineering companies, end-users, service & maintenance, and “others”, as part of an investigation to clarify ... -
Research Risk Factors in Monitoring Well Drilling—A Case Study Using Machine Learning Methods
(Peer reviewed; Journal article, 2021)This article takes an approach to creating a machine learning model for the oil and gas industry. This task is dedicated to the most up-to-date issues of machine learning and artificial intelligence. One of the goals of ... -
Questionnarie-based Survey of Experiences with the Use of Expanding PIN Systems in Mechanical Joints
(Peer reviewed; Journal article, 2021)In this paper, experiences with the use of expanding pins in mechanical joints in different equipment are investigated through a questionnaire-based survey, where six different sections are highlighted; Size of company, ... -
Overview study on challenges of additive manufacturing for a healthcare application
(Peer reviewed; Journal article, 2021)Additive manufacturing is a rapidly evolving manufacturing technology bringing numerous and wide opportunities for the design team involved in the process by creating intricate and customized products with saving labor, ...