Blar i Institutt for maskinteknikk og produksjon på tittel
Viser treff 259-278 av 3992
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Analysis of Methods for Handling of Cemented Casing in Subsea Wells
(Master thesis, 2013)Plug and abandonment (P\&A) of subsea wells often involves removal of steel casing. In some parts of the well the casing is cemented in place making the operation of retrieving the casing more complex. The conventional ... -
Analysis of the Fatigue Behavior of 3D-Printed Maraging 300 Steel
(Master thesis, 2020)3D-printing er en fremstillings teknologi som kan fremstille strukturelle deler laget av metall gjennom lag for lag oppbygging. Målet med dette studiet er å undersøke data fra utmattelses tester med to Maraging 300 stål ... -
Analysis of the plastic zone near the crack tips under the uniaxial tension using ordinary state‐based peridynamics
(Journal article; Peer reviewed, 2018)In this paper, the plastic model of ordinary state‐based peridynamics is established. The size and shape of plastic zone around crack tips with the different inclination angles are simulated using ordinary state‐based ... -
Analysis of Vibration Data and Investigation of Models to Support Maintenance Decision of Rotating Components
(Doctoral theses at NTNU;2024:5, Doctoral thesis, 2024)This PhD project focuses on analysis of vibration data and investigation of mathematical models to support maintenance decision of rotating components and more specifically roller bearings. The PhD work generally consists ... -
Analysis Software for Calculation of Cross-Section Parameters for Complex Beam Cross-Sections
(Master thesis, 2016)Cross-sectional parameters for complex cross-sections are very difficult to calculate by analytical means. Dynamic calculations of aircraft and wind turbines often make use of beam elements for the wings and turbine blades, ... -
Analytic Assessment of Safety Instrumented Systems Operating in High-Demand Mode
(Master thesis, 2015)The pervasive presence of safety instrumented systems in the process industry indicate the growing need for reliable loss prevention to the minutest degree. The backdrop towards addressing this need is by drawing up a ... -
Analytic Gradients Based Parametric Optimization using CutFEM
(Master thesis, 2023)Denne avhandlingen presenterer en metodikk for å beregne analytisk deriverivasjoner av visse mekaniske egenskaper, for eksempel eksempel stivhetsmatrisen, med hensyn til parametrene som definerer geometrien, for eksempel ... -
Analytical and numerical approaches to modelling severe plastic deformation
(Journal article; Peer reviewed, 2018)Severe plastic deformation (SPD) has established itself as a potent means of producing bulk ultrafine grained and nanostructured materials. It has given rise to burgeoning research that has become an integral part of the ... -
Analytical Solutions and Advanced Software Simulation of Vibration Dampers
(Master thesis, 2023)Denne masteroppgaven fokuserer på tre sentrale aspekter ved dempingsfenomener: viskøs væske, fjær/demperelementer i Abaqus og gummi-elementer. Væske-simuleringer analyseres ved hjelp av en teknikk der et objekt kan konverteres ... -
Analytical springback assessment in flexible stretch bending of complex shapes
(Peer reviewed; Journal article, 2020)Stretch bending is commonly used in the fabrication of profile-based shapes. However, one of the challenges in many bending-type forming processes is controlling springback upon unloading. Springback appears sensitive to ... -
Analyzing electrical installation labor productivity through work sampling
(Journal article, 2017)Purpose The construction industry is a labor-intensive industry, hence, the presence of labor with high productivity at each stage of the project plays a significant role in achieving project success. The purpose of this ... -
Analyzing the factors affecting engineering change implementation performance in the engineer-to-order production environment: case studies from a Norwegian shipbuilding group
(Peer reviewed; Journal article, 2020)Engineering changes (ECs) are unavoidable in the engineer-to-order (ETO) environment. ECs improve products and bring additional profit to ETO companies if effectively negotiated and implemented. Despite the abundant relevant ... -
Anchor ice formation and habitat choice of Atlantic salmon (Salmo salar L.) parr in steep streams
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:273, Doctoral thesis, 2008) -
Anisotropic fluid diffusion in carbon fiber reinforced composite rods: Experimental, analytical and numerical study
(Journal article; Peer reviewed, 2018)Carbon fiber composite plastic (CFRP) rods immersed in water present a pronounced anisotropic diffusion behavior. Understanding and predicting this behavior is important as the mechanical properties of the material are ... -
Anisotropy in Metals Processed by Laser Powder Bed Fusion: Elastic and plastic anisotropy in static and dynamic mechanical loading
(Doctoral theses at NTNU;2021:389, Doctoral thesis, 2021)This thesis is addressed to engineers and researchers working with powder bed fusion (PBF) additive manufacturing (AM) and provides insight into anisotropic mechanical properties for metals subjected to static and dynamic ... -
ANN Analysis of DOFS Measurements Compromised by Mechanical and Acoustic Vibrations
(Master thesis, 2022)Distribuerte optisk-fiber sensorer (DOFS) blir stadig oftere anvendt til kontinuerlig situasjonsovervåkning av strukturer. Ny forskning har også undersøkt nye og innovative bruksområder til eksisterende nettverk med DOFS, ... -
Anomaly Detection Using LSTM Neural Networks: a Case Study of the Early Development of a Predictive Maintenance Program
(Master thesis, 2022)Det er forventet at prediktivt vedlikehold basert på maskinlæring vil redusere kostnader relatert til maskinhavari og vedlikehold med opptil 10%. Mange studier forsøker å definere metoder og algoritmer for å beregne ... -
Antagonist softening and hardening effects of hydrogen investigated using nanoindentation on cyclically pre-strained nickel single crystal
(Peer reviewed; Journal article, 2020)Since hydrogen-plasticity interaction is a key feature in the study of hydrogen embrittlement, a series of nanoindentation tests were carried out to evaluate the possible impact of hydrogen on the dislocation structures ... -
Antibacterial Activity and Cell Responses of Vancomycin-Loaded Alginate Coating on ZSM-5 Scaffold for Bone Tissue Engineering Applications
(Peer reviewed; Journal article, 2022)Despite the significant advancement in bone tissue engineering, it is still challenging to find a desired scaffold with suitable mechanical and biological properties, efficient bone formation in the defect area, and ... -
Antiisingsbelegg
(Master thesis, 2013)Isdannelse og akkumulasjon av is på overflater vil i mange tilfeller representere en fare for liv og materielle verdier. Dette er fra før et kjent problem vedrørende for eksempel fly, kraftnett, vindturbiner, skip og ...