• Performance of a Linear Solution for Approximating Nonlinear Response of Reinforced Concrete Structures Subjected to Earthquake Shaking 

      Kariuki, Kevin; Heen, Tarjei; Kaasa, Lars Halvor; Kaynia, Amir M. (Chapter, 2020)
      Nonlinear Time History Analyses (NTHA) are generally regarded as the most accurate way of predicting the dynamic response of a structure to a given seismic ground motion. However, these types of analyses are computationally ...
    • Practical macro-element for vertical and batter pile groups 

      Cemalovic, Miran; Castro, José Miguel; Kaynia, Amir M. (Journal article; Peer reviewed, 2022)
    • Predictive Models for Earthquake Response of Clay and Sensitive Clay Slopes 

      Kaynia, Amir M.; Saygili, Gökhan (Geotechnical, Geological and Earthquake Engineering;Predictive Models for Earthquake Response of Clay and Sensitive Clay Slopes, Journal article; Peer reviewed, 2014)
      Earthquake-induced permanent displacement and shear strain are suitable indicators in assessing the seismic stability of slopes. In this paper, predictive models for the permanent displacement and shear strain as functions ...
    • Probabilistic Seismic Hazard Analysis for Offshore Bangladesh Including Fault Sources 

      Carlton, Brian; Skurtveit, Elin; Bohloli, Bahman; Atakan, Kuvvet; Dondzila, Emily; Kaynia, Amir M. (Chapter, 2018)
      This paper presents a probabilistic seismic hazard analysis (PSHA) for a site offshore Maheshkhali Island, Bangladesh. The tectonic setting of the area is complex, and the PSHA includes active crustal faults, megathrust ...
    • REDWIN – REDucing cost in offshore WINd by integrated structural and geotechnical design 

      Skau, Kristoffer Skjolden; Page, Ana M.; Kaynia, Amir M.; Løvholt, Finn; Norén-Cosgriff, Karin; Sturm, Hendrik; Andersen, H.S.; Nygaard, Tor Anders; Jostad, Hans Petter; Eiksund, Gudmund Reidar; Havmøller, O.; Strøm, P.; Eichler, D. (Journal article; Peer reviewed, 2018)
      The cost of offshore wind energy production has to be reduced continuously to improve its competitiveness compared to other energy sources. To contribute to this goal, a 4- year research project REDWIN – REDucing cost of ...
    • Seaquake Response of a Floating Wind Turbine 

      Blekastad, Håvard; Schell, Philip André Eidsvik (Master thesis, 2020)
      For å kunne utnytte tilgjengelige energiressurser tilknyttet havvind, utvikles flytende vindturbiner for å overkomme utfordringene relatert til vanndybde for bunnfaste turbiner. Gjennom det Horizon 2020 støttede LIFES50+ ...
    • Seaquake Response of a Floating Wind Turbine 

      Blekastad, Håvard; Schell, Philip André Eidsvik (Master thesis, 2020)
      For å kunne utnytte tilgjengelige energiressurser tilknyttet havvind, utvikles flytende vindturbiner for å overkomme utfordringene relatert til vanndybde for bunnfaste turbiner. Gjennom det Horizon 2020 støttede LIFES50+ ...
    • Seismic considerations in design of offshore wind turbines 

      Kaynia, Amir M. (Journal article; Peer reviewed, 2018)
      Interest in renewable and clean energy over the past decade has motivated immense research on wind energy. The main issues in design of offshore wind turbines in regions of recent development have been aero- and hydro-dynamic ...
    • Seismic response of floating wind turbines due to seaquakes 

      Kaynia, Amir M.; Blekastad, Håvard; Schell, Philip; Walter, Erik Løkken (Peer reviewed; Journal article, 2022)
      Vertical seismic waves, which are primarily due to pressure waves in the ground, can propagate with the same intensity in the seawater and impact floating bodies such as floating wind turbines (FWTs). Part of this wave can ...
    • Seismic response of subsea structures on caissons and mudmats due to liquefaction 

      Esfeh, Pourya Kazemi; Govoni, Laura; Kaynia, Amir M. (Peer reviewed; Journal article, 2021)
      This paper presents a numerical study to investigate the seismic behavior of mudmat and caisson foundations supporting subsea structures, such as manifolds, in liquefiable sand. In seismic areas, substantial earthquake ...
    • Seismic response of subsea structures on caissons and mudmats due to liquefaction 

      Kaynia, Amir M. (Peer reviewed; Journal article, 2021)
      This paper presents a numerical study to investigate the seismic behavior of mudmat and caisson foundations supporting subsea structures, such as manifolds, in liquefiable sand. In seismic areas, substantial earthquake ...
    • Simplified computational methods for estimating dynamic impedance of batter pile groups in homogeneous soil 

      Cemalovic, Miran; Husebø, Jan Bernt; Kaynia, Amir M. (Peer reviewed; Journal article, 2021)
      A simplification of existing analytical solutions together with an extended hybrid model is proposed for estimating the horizontal impedance of batter pile groups subjected to harmonic loading. The solutions are given ...
    • V–H–M seismic capacity envelopes of strip foundations on slopes for capacity design of structure-foundation system 

      Raj, Dhiraj; Singh, Yogendra; Kaynia, Amir M. (Journal article; Peer reviewed, 2019)
      The columns and the supporting foundations are invariably subjected to the interacting axial force, V, shear force, H and moment, M. It is quite common to consider the interaction of these forces in design of structural ...