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UID:31@ccr.nelson.wisc.edu
DTSTART;TZID=America/Chicago:20251028T120000
DTEND;TZID=America/Chicago:20251028T130000
DTSTAMP:20250908T155642Z
URL:https://ccr.nelson.wisc.edu/events/damage-mechanics-modeling-of-glacie
 r-and-ice-shelf-flow-and-fracture/
SUMMARY:Modeling Glacier and Ice-shelf Flow and Fracture using Computation 
 and Data
DESCRIPTION:Speaker:  Ravi Duddu\, Associate Professor of Civil and Enviro
 nmental Engineering\, Vanderbilt University\n\n\n\nThe dynamic ice mass lo
 ss from the Antarctic and Greenland ice sheets into oceans is the greatest
  source of uncertainty in predicting sea level rise. Fracture propagation 
 in glaciers and ice shelves can accelerate ice flow and cause the detachme
 nt of icebergs\, thus significantly influencing ice mass loss. It has been
  hypothesized that hydrofracturing of glaciers and ice shelves followed by
  enhanced basal sliding and ice cliff failure could contribute to rapid se
 a level rise over the coming centuries. In this presentation\, I will prov
 ide an overview of my recent work on simulating fracture propagation in gl
 aciers and ice shelves using viscoelastic damage mechanics models. I will 
 describe their application in the context of crevasse propagation and ice 
 cliff failure in marine terminating glaciers\, rapid supraglacial lake dra
 inage events enabled by turbulent hydraulic fracture\, and rift propagatio
 n in ice shelves leading to tabular iceberg calving. In each case\, I will
  discuss the use of data from laboratory experiments and field/satellite o
 bservations to inform physics-based computational models.\n\nAcknowledgeme
 nts: This work is funded by the NSF Antarctic Glaciology and NASA Cryosphe
 re Science programs.\n\nView the livestream
CATEGORIES:CPEP
LOCATION:823 Atmospheric & Oceanic Sciences\, 1225 W. Dayton St.\, Madison\
 , United States
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=1225 W. Dayton St.\, Madiso
 n\, United States;X-APPLE-RADIUS=100;X-TITLE=823 Atmospheric & Oceanic Sci
 ences:geo:0,0
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