Blar i NTNU Open på forfatter "Hetland, Ruth"
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Operational modal analysis of the Dolmsundet Bridge during construction
Hetland, Ruth (Master thesis, 2015)This study investigates the dynamic behaviour of a cantilever bridge during construction. The investigations are carried out using operational modal analysis techniques. The Second-Order Blind Identification (SOBI) Method ... -
Relative assessment of fatigue loads for offshore wind turbine support structures
Stieng, Lars Einar; Hetland, Ruth; Schafhirt, Sebastian; Muskulus, Michael (Journal article; Peer reviewed, 2015)Time domain analyses of Offshore Wind Turbines involve a lot of computational effort. In this paper, we present a method for reducing this effort by using results from analyses with shorter simulation lengths to predict ...