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SUMMARY:Ice-induced vibrations in offshore structures: coupled dynamic ice
 -structure interactions over multiple scales - Rocky Taylor (Centre for Ar
 ctic Resource Development (CARD)\; Memorial University of Newfoundland)
DTSTART:20171109T133000Z
DTEND:20171109T143000Z
UID:TALK94771@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:The design of fixed structures for operations in ice environme
 nts presents challenges\, particularly in terms of determining appropriate
  levels of structural strengthening for extreme ice loads and accounting f
 or potential ice-induced vibrations in design. The development of improved
  models of dynamic ice-structure interactions depends significantly on und
 erstanding the physics and mechanics of ice compressive failure to enable 
 the effective modelling of ice loads and associated coupling with structur
 al response. While the compressive failure of ice is highly complex\, sign
 ificant progress has been made in recent years in understanding and modell
 ing salient aspects of ice failure during dynamic ice-structure interactio
 ns. In this lecture\, emphasis is placed on processes associated with the 
 formation and evolution of high-pressure zones (hpzs) and associated load-
 limiting mechanisms that occur during dynamic ice crushing failure. Recent
  advances in ice mechanics are discussed\, a long with results of recent m
 edium-scale laboratory tests focused on supporting the development of a pr
 obabilistic\, multi-scale modelling framework as a basis for integrating a
 dvances in fundamental ice physics with full-scale ice loads on rigid and 
 compliant structures.&nbsp\;
LOCATION:Seminar Room 1\, Newton Institute
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