Browsing NTNU Open by Author "Bazilevs, Yuri"
Now showing items 1-10 of 10
-
A comparative study of beam element formulations for nonlinear analysis: corotatinal vs. geometrically exact formulations
Mathisen, Kjell Magne; Bazilevs, Yuri; Haugen, Bjørn; Helgedagsrud, Tore Andreas; Kvamsdal, Trond; Okstad, Knut Morten; Raknes, Siv Bente (Chapter, 2017)In this work the geometrically exact three-dimensional beam theory has been used as basis for development of a family of isoparametric higher order large deformation curved beam elements. Geometrically exact three-dimensional ... -
ALE-VMS methods for wind-resistant design of long-span bridges
Helgedagsrud, Tore Andreas; Bazilevs, Yuri; Mathisen, Kjell Magne; Øiseth, Ole (Peer reviewed; Journal article, 2019)For unsteady aerodynamics, the Arbitrary Lagrangian-Eulerian Variational Multi-Scale (ALE-VMS) formulation for incompressible flows has proven an accurate and powerful method. In this paper we present an overview of some ... -
Computational and experimental investigation of free vibration and flutter of bridge decks
Helgedagsrud, Tore Andreas; Bazilevs, Yuri; Mathisen, Kjell Magne; Øiseth, Ole (Journal article; Peer reviewed, 2018)A modified rigid-object formulation is developed, and employed as part of the fluid–object interaction modeling framework from Akkerman et al. (J Appl Mech 79(1):010905, 2012. https://doi.org/10.1115/1.4005072) to simulate ... -
Isogeometric divergence-conforming variational multiscale formulation of incompressible turbulent flows
van Opstal, Timo Matteo; Yan, Jinhui; Coley, Christopher; Evans, John Andrew; Kvamsdal, Trond; Bazilevs, Yuri (Journal article, 2016)A new residual-based variational multiscale (RBVMS) formulation for incompressible turbulent flows is proposed that is suitable for discretization using divergence-conforming B-splines. The proposed methodology results in ... -
Isogeometric Modeling and Experimental Investigation of Moving-Domain Bridge Aerodynamics
Helgedagsrud, Tore Andreas; Akkerman, Ido; Bazilevs, Yuri; Mathisen, Kjell Magne; Øiseth, Ole (Journal article; Peer reviewed, 2019)Computational fluid dynamics (CFD) and fluid–structure interaction (FSI) are growing disciplines in the aeroelastic analysis and design of long-span bridges, which, with their bluff body characteristics, offer major ... -
Modeling and Simulation of Bridge-Section Buffeting Response in Turbulent Flow
Helgedagsrud, Tore Andreas; Bazilevs, Yuri; Mathisen, Kjell Magne; Yan, Jinhui; Øiseth, Ole (Peer reviewed; Journal article, 2019)Buffeting analysis plays an important role in the wind-resistant design of long-span bridges. While computational methods have been widely used in the study of self-excited forces on bridge sections, there is very little ... -
Using ALE-VMS to compute aerodynamic derivatives of bridge sections
Helgedagsrud, Tore Andreas; Bazilevs, Yuri; Korobenko, Artem; Mathisen, Kjell Magne; Øiseth, Ole (Journal article; Peer reviewed, 2018)Aeroelastic analysis is a major task in the design of long-span bridges, and recent developments in computer power and technology have made Computational Fluid Dynamics (CFD) an important supplement to wind tunnel experiments. ... -
Using ALE-VMS to compute wind forces on moving bridge decks
Helgedagsrud, Tore Andreas; Bazilevs, Yuri; Korobenko, Artem; Mathisen, Kjell Magne; Øiseth, Ole (Chapter, 2017)A framework for simulating the forced-vibration wind tunnel experiment using stabilized ALE-VMS techniques has been developed. With a user-defined motion of the bridge deck the problem reduces to a flow computation on a ... -
A variational multiscale framework for atmospheric turbulent flows over complex environmental terrains
Ravensbergen, M.; Helgedagsrud, Tore Andreas; Bazilevs, Yuri; Korobenko, Artem (Peer reviewed; Journal article, 2020)A residual-based variational multi-scale (VMS) modeling framework is applied to simulate atmospheric flow over complex environmental terrains. The VMS framework is verified and validated using two test cases using linear ... -
Wind forces on bridge decks using state-of-the-art FSI methods
Helgedagsrud, Tore Andreas (Doctoral theses at NTNU;2019:180, Doctoral thesis, 2019)Several bridges with span widths that challenge present technology are currently under planning in Norway, and wind effects are among the major concerns. Traditionally, wind-structure interactions are studied experimentally ...