Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM): Nye registreringer
Viser treff 961-980 av 1741
-
Failure Prediction of Carbon-Fibre Epoxy Composite Subsea Flowline Using Response Surface Methodology
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)Carbon Fibre Epoxy Composite is a relatively new material utilized in the subsea oil and gas industry. The fibre reinforced composite is competitive for its high strength-to-weight ratio and good corrosion resistance. This ... -
Numerical Simulations of Flow Over Bottom-Mounted Structures at High Reynolds Number
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2019-06)A common challenge in on-bottom stability design is to select accurate hydrodynamic quantities, such as drag and lift coefficients, to compute the forces on structures subject to fluid flow. The objective of the present ... -
Justification of selection and installation method of an offshore oil and gas field structure for the shelf of the Okhotsk sea
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-08)This thesis is dedicated to the Ayashsky license block that is located near the northeastern part of the Sakhalin Island. A concept of the development of this offshore block of fields will be discussed in this work. Special ... -
Collapse Design Optimisation of Ring-Stiffened Cylindrical Pressure Hulls
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-01)The pressure hull is a vital structural component of the underwater vehicle. It enables the underwater vehicle to withstand environmental loadings such as hydrostatic pressure. Pressure hull design seeks maximum strength ... -
Dynamic analysis of lift-off operation of a subsea spool from a barge
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-15)The lift-off operation faces great operational challenges due to the harsh environment in the North Sea. Especially, the operation becomes more susceptible to environmental conditions when the installation method involves ... -
Development of the Oil and Gas Fields' Cluster in the Pechora Sea
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)The Master Thesis aims to develop a cluster oil and gas fields development concept in the Pechora sea and carry out an economic feasibility estimation of this concept. The first chapter describes the climatic conditions ... -
Numerical study on structural responses of gravity-based fish cages
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)The location of a fish farm is moving towards more exposed locations due to spatial and environmental concerns. As the fish farm moves to open seas, the structure of the fish farm would undergo increased environmental loads ... -
Numerical study on the deployment of a subsea template
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-30)Subsea templates are normally transported to the installation site on the deck of a crane vessel. After being lifted off from the deck, the template is 1) over-boarded from the initial location to the target position by 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 ... -
Investigation of Influence of Adjustments in Cyclist Arm Position on Aerodynamic Drag Using Computational Fluid Dynamics
(Peer reviewed; Journal article, 2020-06)In professional cycling, even small adjustments in position could mean that valuable seconds are gained over the course of a time-trial race. This study investigates the influence of arm position on the aerodynamic drag ... -
Case study on topology optimized design for additive manufacturing
(Peer reviewed; Journal article, 2019-10)Additive Manufacturing (AM), also known as rapid prototyping, rapid manufacturing, layer manufacturing and three-dimensional printing, represents one of the most promising aspects of manufacturing for highly complex ... -
Context analysis of Offshore Fish Farming
(Peer reviewed; Journal article, 2019-11)The in-land and nearshore fish farming is facing capacity limitation and onshore push-out regulations. Huge technological innovations are rapidly evolving toward developing competitive Offshore fish farming. These technological ... -
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 ... -
Flexural dynamic behavior of submerged cylindrical structures under wave loads
(Peer reviewed; Journal article, 2019-11)Abstract. An analytical solution for the dynamic response of submerged slender circular cylindrical structure subjected to linear wave loads is presented. A double Laplace transform with respect to temporal and spatial ... -
Implementation of linear, double-linear, and nonlinear fatigue damage accumulation rules for fatigue life prediction of offshore drilling top-drive tie-rods
(Peer reviewed; Journal article, 2019-11)The offshore oil and gas industry has been exposed to major challenges over the last decade, particularly demanding cost cuts and more effective technical solutions. Predictive systems and remaining life assessments for ... -
Improvements for the workflow interoperability between BIM and FEM tools
(Peer reviewed; Journal article, 2019)Transferring models, developed using Building Information Modelling (BIM), to Finite Element Method (FEM) tools is an important task in the integration of structural engineering into the open BIM workflow. Such integration ... -
Modelling of hydrocarbon gas and liquid leaks from pressurized process systems
(Peer reviewed; Journal article, 2019)The hydrocarbon leaks from process systems potentially lead to hazardous consequences with regard to human safety, environmental pollution and valuable assets. The hydrocarbon leaks may be gas leaks, liquid leaks or ... -
Typical hydrodynamic models for aquaculture nets: A comparative study under pure current conditions
(Peer reviewed; Journal article, 2020-03)The net is regarded as the most critical component in marine aquaculture facilities as it is the only barrier which protects the environment from fish escapes. Accurate predictions of the net cage deformation and drag force ... -
A summary of adapting Industry 4.0 vision into engineering education in Azerbaijan
(Peer reviewed; Journal article, 2019-11)Industry 4.0 vision and associated technologies are rapidly adopted in several industrial sectors to gain the benefits of creating smart cyber-physical systems and operations. Some sectors, e.g. manufacturing, oil and gas, ... -
Full-scale observation of the flow downstream of a suspension bridge deck
(Peer reviewed; Journal article, 2017-12)The paper presents a full-scale observation of the flow conditions downstream of a suspension bridge by a system of synchronized short-range dual-Doppler wind lidars. The lidar units were deployed directly on the bridge ...