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On Disaster Risk Reduction in Norwegian Oil and Gas Industry Through Life-Cycle Perspective
(Chapter, 2019)This paper presents the risk reduction in Norwegian oil & gas industry over the time (1975-2016) through a life cycle perspective analysis with the aim to identify the critical stage(s) both in terms of accident occurrence ... -
On Extendibility and Interoperability Properties in Knowledge-Based Engineering
(Journal article; Peer reviewed, 2023)Engineering knowledge representation is an important step for creating applications that can automate product development in various problem domains. This article looks at enablers and obstacles for knowledge-based engineering ... -
On Fuzzy Front End Prototyping and Testing of Complex Sensor Problems
(Doctoral theses at NTNU;2022:99, Doctoral thesis, 2022)Norsk sammendrag Denne oppgaven er addresert til forskere og produktutviklere. Den har som hensikt å gi innsikt i løsing av komplekse sensorproblemer i the fuzzy front end av produktutvikling. Sensorer bygger bro mellom ... -
On hierarchical bayesian based predictive maintenance of autonomous natural gas regulating operations
(Peer reviewed; Journal article, 2021)Safety Improvement of engineering processes, especially Oil & Gas operations, has gained a lot of attention during the last decades. This fundamental vision results in risk remediation programs, minimizing the risks of ... -
On Improving Ocean Safety Culture: Interdisciplinary Learning from Offshore Oil & Gas, Cruise Ships, Aviation, Nuclear and Natural Hazards
(Doctoral theses at NTNU;2021:118, Doctoral thesis, 2021) -
On intermetallic phases formed during interdiffusion between aluminium alloys and stainless steel
(Peer reviewed; Journal article, 2022)One of the major challenges in welding of aluminium (Al) alloys and steels is the growth of brittle intermetallic phases, which depends on the thermomechanical processing history and the alloying elements. This work focuses ... -
On Linking of Task Analysis in the HRA Procedure: The Case of HRA in Offshore Drilling Activities
(Journal article; Peer reviewed, 2018)Human reliability analysis (HRA) has become an increasingly important element in many industries for the purpose of risk management and major accident prevention; for example, recently to perform and maintain probabilistic ... -
On measuring, prediction and control of 3D profile bending towards Industry 4.0
(Doctoral theses at NTNU;2022:346, Doctoral thesis, 2022)Aluminum profile bending is one of the methods providing potential to reduce weight and improve fuel efficiency in automotive, aerospace, and other industries. Most of manufacturers make efforts to reduce the number of ... -
On Optimization of Injection Molding Cooling
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:113, Doctoral thesis, 2008)This thesis is devoted to analysis and optimization of the injection molding process with a focus on the mold. In the analysis, both process parameters and the design of the mold are taken in consideration. A procedure has ... -
On Packaging of MEMS. Simulation of Transfer Moulding and Packaging Stress and their Effect on a Family of piezo-resistive Pressure Sensors
(Dr. ingeniøravhandling, 0809-103X; 2003:112, Doctoral thesis, 2004)Micro Electro Mechanical Systems (MEMS) produced to date include IR detectors, accelerometers, pressure sensors, micro lenses, actuators, chemical sensors, gear drives, RF devices, optical processor chips, micro robots and ... -
On prototyping methods to leverage non-rigid materials in the early stages of engineering design
(Peer reviewed; Journal article, 2020)Prototyping has been shown important to facilitate learning, inform decisions and to communicate ideas in engineering design. However, it is not evident which methods, tools and materials to use, as prototyping is practised ... -
On Reliability Challenges of Repairable Systems Using Hierarchical Bayesian Inference and Maximum Likelihood Estimation
(Journal article; Peer reviewed, 2019)Failure modelling and reliability assessment of repairable systems has been receiving a great deal of attention due to its pivotal role in risk and safety management of process industries. Meanwhile, the level of uncertainty ... -
On Risk of Digital Twin Implementation in Marine Industry: Learning from Aviation Industry
(Journal article; Peer reviewed, 2019)This paper presents some aspects of the risk and challenges associated with digital twin implementation in the marine industry by learning from the aviation industry where the digital twin is more widely employed. The ... -
On risk-based maintenance: A comprehensive review of three approaches to track the impact of consequence modelling for predicting maintenance actions
(Journal article; Peer reviewed, 2021)Since gas plants are progressively increasing near urban areas, a comprehensive tool to plan maintenance and reduce the risk arising from their operations is required. To this end, a comparison of three Risk-Based Maintenance ... -
On Solid-State Deposition of Metal Structures: Conceptualization of a New Additive Manufacturing Method based on Hybrid Metal Extrusion & Bonding
(Doctoral theses at NTNU;2019:249, Doctoral thesis, 2019)This thesis presents the conceptualization of a new solid-state process for additive manufacturing (AM) of extrudable metals and alloys. The process is based on the Hybrid Metal Extrusion & Bonding (HYB) technology and has ... -
On the analysis of bonded step lap joints
(Journal article; Peer reviewed, 2018)This paper discusses the stress and strain states in adhesively bonded step lap joints from the perspective of the strain energy density solutions determined via the elastic and elastic-plastic solutions obtained using the ... -
On the applicability of fused deposition modeling for prototyping
(Doctoral theses at NTNU;2019:155, Doctoral thesis, 2019)During the last decade, fused deposition modeling (FDM) has managed to become the most used additive manufacturing technology for rapid prototyping. The surge in application of FDM is thought to be due to a severe price ... -
On the Applicability of Sustainability Assessment Tools in Manufacturing
(Journal article; Peer reviewed, 2015)The literature on sustainability assessment abounds with different tools, methods, models and frameworks, and the amount of literature on sustainability assessment applied to the field of manufacturing is rapidly growing. ... -
On the application of the volume free strain energy density method to blunt V-notches under mixed mode condition
(Peer reviewed; Journal article, 2020)This work investigates the possibility to apply the strain energy density method, as regards blunt V-notches under mixed loading condition, through finite element models with a free mesh pattern. It is worth underlining ... -
On the Corrosion Fatigue of Magnesium Alloys Aimed at Biomedical Applications: New Insights from the Influence of Testing Frequency and Surface Modification of the Alloy ZK60
(Peer reviewed; Journal article, 2022)Magnesium alloys are contemporary candidates for many structural applications of which medical applications, such as bioresorbable implants, are of significant interest to the community and a challenge to materials scientists. ...