Browsing Fakultet for ingeniørvitenskap (IV) by Title
Now showing items 4413-4432 of 23229
-
A coupled elastoplastic damage model for brittle rocks
(Peer reviewed; Journal article, 2020)Brittle rock contains an important plastic deformation, which causes microcracks when coupled with stress-induced damage. A new coupled elastoplastic damage model is established in order to discuss the damage behaviors ... -
Coupled Eulerian-Lagrangian Finite Element simulations of quasi-static ice-structure interaction - Effects of aspect ratio and material models
(Master thesis, 2019)The number of offshore structures built in ice-covered waters has increased during the past decades, with the search of profitable resources being a major contributor. The interaction of these structures with an ice feature ... -
Coupled Experiments and CFD Simulations for Validation and Improvement of Empirical Coantact Angle Models for Sloshing in Microgravity
(Master thesis, 2021)Denne masteroppgaven skisserer teorien bak fluiders oppførsel i mikrogravitasjonsmiljøer og foreslår en metode for bakkebaserte eksperimenter for å forstå effekten av kontaktvinkler og overflatespenning på væskers bevegelser. ... -
Coupled finite element-discrete element method (FEM/DEM) for modelling hypervelocity impacts
(Peer reviewed; Journal article, 2022)Hypervelocity impacts (HVIs) from orbital debris are an increasing threat to current and future missions in low Earth orbit, making spacecraft shielding vital for future space exploration efforts. A debris shield is a ... -
Coupled Fluid Flow and Elastoplastic Damage Analysis of Acid Stimulated Chalk Reservoirs
(Doctoral thesis at NTNU;2015:223, Doctoral thesis, 2015) -
Coupled fluid-solid modelling of the valve dynamics in reciprocating compressors
(Chapter, 2022)A novel method coupling computational fluid dynamics (CFD) and finite element method (FEM) was developed to account for the complex physics of the reciprocating compressor. The developed method is based on data exchange ... -
Coupled Fluid–Solid Numerical Simulation for Flow Field Characteristics and Supporting Performance of Flexible Support Cylindrical Gas Film Seal
(Peer reviewed; Journal article, 2021)A new type of cylindrical gas film seal (CGFS) with a flexible support is proposed according to the working characteristics of the fluid dynamic seal in high-rotational-speed fluid machinery, such as aero-engines and ... -
A Coupled Harmonic Polynomial Cell and Higher-Order Spectral Method for Nonlinear Wave Propagation
(Chapter, 2020)The present work deals with wave generation in fully nonlinear numerical wave tanks (NWT). As an alternative to modelling a moving (physical) wavemaker, a two-dimensional (2D) potential-flow NWT is coupled with an external ... -
A coupled mix-mode cohesive law based on a cylindrical potential function
(Peer reviewed; Journal article, 2022)A novel mixed-mode cohesive law derived from a potential function is presented. The potential function is formulated using physical parameters that can be extracted from any fracture mechanics test capable of providing ... -
Coupled Mooring Systems for Floating Wind Farms
(Master thesis, 2014)In this work the feasibility of an integrated catenary loose mooring system for offshore floating wind turbines is investigated. The dynamic behavior of different wind farm layouts is analyzed employing the equation of ... -
Coupled mooring systems for floating wind farms
(Journal article; Peer reviewed, 2015)In this paper it is investigated if, by coupling the catenary mooring systems of a number of turbines, the number of lines and anchors needed and subsequently the costs could be reduced and what kind of dynamic phenomena ... -
Coupled reservoir-network simulations with ESP's and multiphase pump built in
(Master thesis, 2016)The present project is focused on evaluating dual boosting (production with seabed boosting and electric submersible pumps, ESPs, simultaneously) as an alternative to improve total oil production rate of subsea fields. ... -
Coupled vessel and moonpool responses in regular and irregular waves
(Peer reviewed; Journal article, 2020)Hydrodynamic coupling between the ship and moonpool responses is investigated. Dedicated experiments are carried out in the Ocean Basin at Sintef Ocean. Three different moonpool sizes are studied, where the moonpool length ... -
Coupling AltaRica models with optimization heuristics for the assessment of maintenance policies
(Master thesis, 2018)The main objective of this thesis is do maintenance optimization for a system using AltaRica simulation tools. Maintenance optimization is based on the assessment of maintenance policy. Stochastic simulation is applied to ... -
Coupling Field Observations and Geographical Information System (GIS)-Based Analysis for Improved Sustainable Urban Drainage Systems (SUDS) Performance
(Journal article; Peer reviewed, 2018)Urbanization and increased precipitation volumes and intensities due to climate change add pressure to the urban drainage system, resulting in increased flooding frequencies of urban areas and deteriorating water quality ... -
Coupling Input‐Output Tables with Macro‐Life Cycle Assessment to Assess Worldwide Impacts of Biofuels Transport Policies
(Journal article; Peer reviewed, 2018)Many countries see biofuels as a replacement to fossil fuels to mitigate climate change. Nevertheless, some concerns remain about the overall benefits of biofuels policies. More comprehensive tools seem required to evaluate ... -
Coupling of a 2D Boundary Element Method with a local analytical solution to deal with geometrical singularities
(Master thesis, 2016)Boundary Element Method, BEM, as a numerical tool to solve boundary values problems, has been developed and tested. The numerical scheme is coupled with known analytical flow models for geometrical singularities, and results ... -
Coupling of discrete-element method and smoothed particle hydrodynamics for liquid-solid flows
(Journal article; Peer reviewed, 2012)Particle based methods can be used for both the simulations of solid and fluid phases in multiphase medium, such as the discrete-element method for solid phase and the smoothed particle hydrodynamics for fluid phase. This ... -
Coupling of dynamic reaction forces of a heavy load crane and ship motion responses in waves
(Peer reviewed; Journal article, 2021)The conventional approach to dynamic analysis of ship motion response with shipboard operation equipment is usually done by establishing combined equations of motion of the multi-body system. The weakness of such methods ... -
Coupling of marine riser and tensioner system
(Master thesis, 2011)A coupled model of a marine riser and a tensioner system is built. The riser is modeled using the multi-body dynamics program MSC Adams, and the tensioner system using the powerful controls and systems simulation tool, MSC ...