Blar i Institutt for konstruksjonsteknikk på tidsskrift "Journal of Wind Engineering and Industrial Aerodynamics"
Viser treff 1-17 av 17
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Aerodynamic damping models for vortex-induced vibration of a rectangular 4: 1 cylinder: Comparison of modeling schemes
(Peer reviewed; Journal article, 2020)Accurate modeling of vortex-induced force acting on a structure is of great significance to precisely evaluate its vortex-induced vibration (VIV). This paper systematically compares the capabilities of five aerodynamic ... -
ALE-VMS methods for wind-resistant design of long-span bridges
(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 ... -
An enhanced forced vibration rig for wind tunnel testing of bridge deck section models in arbitrary motion
(Journal article, 2017)This paper presents a new experimental setup for the aerodynamic section model testing of bridge decks. The rig is designed to move a section model in arbitrary motion in a wind tunnel to imitate the motions of such scaled ... -
An enhanced identification procedure to determine the rational functions and aerodynamic derivatives of bridge decks
(Journal article, 2018)Development of time-efficient and reliable methods for estimating the aeroelastic properties of bridge decks is of major importance for bridge engineers to make wind tunnel testing more productive and less expensive. This ... -
Bridge buffeting by skew winds: A quasi-steady case study
(Peer reviewed; Journal article, 2022)The buffeting response of a 5000-m-long curved floating bridge is investigated for different mean wind directions, with emphasis on the wind load formulations and use of experimental data. Wind tunnel tests, with a section ... -
Bridge buffeting by skew winds: A revised theory
(Peer reviewed; Journal article, 2021)An improved bridge buffeting theory is established with an emphasis on skew wind directions, for both turbulence- and motion-dependent forces. It provides simplifications and generalizations of previously established ... -
A comparative study of wind-induced dynamic response models of long-span bridges using artificial neural networks, support vector regression and buffeting theory
(Journal article; Peer reviewed, 2021)Long-span cable-supported bridges are structures susceptible to high dynamic responses due to the buffeting phenomenon. The current state-of-the-art method for buffeting response estimation is the buffeting theory. However, ... -
Environmental contours for wind-resistant bridge design in complex terrain
(Peer reviewed; Journal article, 2022)Accurate estimation of the extreme wind fields is crucial for long-span bridge design. The current practice is focused on estimating the extreme mean wind speed, neglecting the inherent uncertainty in the turbulence model ... -
Evaluation of mast measurements and wind tunnel terrain models to describe spatially variable wind field characteristics for long-span bridge design
(Journal article; Peer reviewed, 2018)The quality of the information about the wind field characteristics is crucial for accurately predicting the structural response of a long-span bridge subjected to dynamic wind loads. In this paper, in situ mast measurements ... -
Investigation of dynamic wind loads on a long-span suspension bridge identified from measured acceleration data
(Journal article; Peer reviewed, 2020)The traditional wind load assessment for long-span bridges relies on assumed models for the wind field and aerodynamic coefficients from wind tunnel tests, which usually introduce some uncertainties. Recent studies have ... -
Long-term response of a curved floating bridge to inhomogeneous wind fields
(Peer reviewed; Journal article, 2023)A numerical model of a 5 km long curved floating bridge, planned for the Bjørnafjord, in Norway, is subjected to strong wind events with stationary mean properties that vary along the bridge axis. A Weather Research and ... -
Nonlinear modelling of aerodynamic self-excited forces: An experimental study
(Peer reviewed; Journal article, 2021)The bridge aerodynamics research community is currently discussing several nonlinear wind load models for bridge decks, but no definite conclusion on which model is superior to the others is currently available. In this ... -
Nonlinear modelling of aerodynamic self-excited forces: An experimental study
(Peer reviewed; Journal article, 2021)The bridge aerodynamics research community is currently discussing several nonlinear wind load models for bridge decks, but no definite conclusion on which model is superior to the others is currently available. In this ... -
Site-specific data-driven probabilistic wind field modeling for the wind-induced response prediction of cable-supported bridges
(Journal article; Peer reviewed, 2018)In this study, full-scale wind velocity measurements are conducted at eight locations on the Hardanger Bridge girder to investigate the possibility of a probabilistic representation of the turbulence field along the bridge ... -
Strong wind characteristics and dynamic response of a long-span suspension 1 bridge during a storm
(Journal article; Peer reviewed, 2018)As Storm Tor struck the western coast of Norway, wind speeds and bridge deck accelerations along the Hardanger Bridge girder were recorded by the monitoring system installed on the bridge. Using 13.5 h of data, mean wind ... -
Tuned mass damper for self-excited vibration control: Optimization involving nonlinear aeroelastic effect
(Peer reviewed; Journal article, 2022)The conventional target for self-excited galloping/flutter control of a civil structure often focuses on the critical wind speed. In the present work, a nonlinear control target is introduced, i.e., to ensure that the ... -
The use of a Laguerrian expansion basis as Volterra kernels for the efficient modeling of nonlinear self-excited forces on bridge decks
(Peer reviewed; Journal article, 2021)In the last decade, the bridge aerodynamics community has pivoted towards the investigation and prediction of nonlinear aerodynamic phenomena. Several nonlinear models have been suggested, but the research community has ...