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SUMMARY:Can we estimate the actual stiffness and mass of soil contributing
  to vibrations of monopiles for offshore wind turbines? - Dr Luke J Prende
 rgast\, University of Nottingham\, UK
DTSTART:20210210T190000Z
DTEND:20210210T200000Z
UID:TALK156505@talks.cam.ac.uk
CONTACT:99478
DESCRIPTION:The offshore wind sector has experienced significant\ngrowth i
 n recent years. This has led to the\ndevelopment of super-large wind turbi
 nes\, which\nrequire ever larger foundations. Monopile sizes have\nbeen gr
 owing\, meaning the design approaches used\nfor them are no longer relevan
 t. Estimating soil-structure\ninteraction stiffness (and mass) is becoming
 \nmore challenging\, and is paramount to safe design.\nThis talk presents 
 an overview of a finite-element\nmodel updating approach to estimate the s
 tiffness\nand mass of vibrating piles using frequency response\nfunctions.
  The approach can be used to develop\nreference damage detection models or
  to estimate\nthe operating stiffness of these systems in operation\,\nthe
 reby enabling updating of design approaches.\n
LOCATION:Delivered online via Zoom
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