Browsing Institutt for konstruksjonsteknikk by Author "Petersen, Øyvind Wiig"
Now showing items 21-28 of 28
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Nonparametric modeling of self-excited forces based on relations between flutter derivatives
Papinutti, Mitja; Četina, Matjaž; Brank, Bostjan; Petersen, Øyvind Wiig; Øiseth, Ole Andre (Peer reviewed; Journal article, 2020)Unsteady self-excited forces are commonly represented by parametric models such as rational functions. However, this requires complex multiparametric nonlinear fitting, which can be a challenging task that requires know-how. ... -
Optimization program for single-span suspension bridges
Myhr, Sverre Aas; Bergseth, Juel Petter (Master thesis, 2022)Med bruer som blir stadig lengre og slankere får aerodynamikk en større rolle i designfasen. Interaksjonen mellom luftstrøm og bevegelse i bruen medfører aerodynamiske bidrag til systemets totale stivhet og demping. Ved ... -
Sensitivity-based finite element model updating of a pontoon bridge
Petersen, Øyvind Wiig; Øiseth, Ole (Journal article, 2017)Numerical models of large civil engineering structures are prone to errors and uncertain system parameters, which inevitably affect the ability of such models to accurately predict dynamic behavior. Finite element (FE) ... -
Shape optimization of an aluminium girder for a long-span suspension bridge: Aerodynamic stability, buffeting response and suppression of vortex induced vibrations
Bergerud, Jens Petter; Torød, Håvard Morvik (Master thesis, 2021)Det er planlagt å bygge en hengebro over Langenuen som en del av målsetningen om å bygge ferjefri E39 langs kysten av Vest-Norge. Det planlagte konseptet av broen inkluderer et hovedspenn på 1220 m, som vil gjøre den til ... -
Shape optimization of an aluminium girder for a long-span suspension bridge: Aerodynamic stability, buffeting response and suppression of vortex induced vibrations
Bergerud, Jens Petter; Torød, Håvard Morvik (Master thesis, 2021)Det er planlagt å bygge en hengebro over Langenuen som en del av målsetningen om å bygge ferjefri E39 langs kysten av Vest-Norge. Det planlagte konseptet av broen inkluderer et hovedspenn på 1220 m, som vil gjøre den til ... -
Statistical analysis of ice-induced loads on the norstromsgrund lighthouse
Tu, Ying; Nord, Torodd Skjerve; Høyland, Knut Vilhelm; Petersen, Øyvind Wiig (Journal article; Peer reviewed, 2019)Structures may experience ice-induced vibrations under a wide range of ice conditions. This paper presents a statistical analysis of ice-induced forces on the Norströmsgrund lighthouse. A total of 61 measured events of ... -
Stochastic subspace identification of modal parameters during ice–structure interaction
Nord, Torodd Skjerve; Petersen, Øyvind Wiig; Hendrikse, Hayo (Journal article; Peer reviewed, 2019)Identifying the modal parameters of structures located in ice-infested waters may be challenging due to the interaction between the ice and structure. In this study, both simulated data from a state-of-the-art ice–structure ... -
The use of a Laguerrian expansion basis as Volterra kernels for the efficient modeling of nonlinear self-excited forces on bridge decks
Skyvulstad, Henrik; Petersen, Øyvind Wiig; Tomasso, Argentini; Zasso, Alberto; Øiseth, Ole Andre (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 ...