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SUMMARY:Block-structured AMR algorithms for complex hyperbolic application
 s - Dr Ralf Deiterding\, Oak Ridge National Laboratory\, USA
DTSTART:20101129T130000Z
DTEND:20101129T140000Z
UID:TALK27738@talks.cam.ac.uk
CONTACT:Louise Mortimer
DESCRIPTION: The talk gives an overview of the schemes and algorithms avai
 lable in the generic fluid solver framework AMROC. The software implements
  parallel block-structured dynamic mesh adaptation for explicit Cartesian 
 finite volume methods and employs the approach for multi-physics applicati
 ons\, particularly fully coupled fluid-structure interaction simulations\,
  as part of the Virtual Test Facility (http://www.cacr.caltech.edu/asc). A
  level-set-based ghost-fluid approach is used to consider arbitrary geomet
 ries on the Cartesian mesh\, and a temporal splitting approach has been ad
 opted to incorporate on-the-fly coupling to explicit methods for computati
 onal solid dynamics. Three-dimensional fluid-structure interaction simulat
 ions of shock- and detonation-driven fracture and deformation phenomena wi
 ll be shown that confirm the efficiency of the proposed techniques for pro
 blems with heavily evolving topology. Further on\, several large-scale app
 lications of AMROC to shock-induced combustion and shock-driven turbulent 
 mixing will be presented.  Where they are non-standard\, e.g.\, for gas-li
 quid flows or detonation waves with detailed chemical kinetics\, the emplo
 yed upwind discretizations will be described. A brief discussion of the so
 ftware design and the present parallel performance will conclude the prese
 ntation.\n\n
LOCATION:Rutherford Seminar Room\, Cavendish Laboratory
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