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SUMMARY:Solids under high-pressure shock-compression: the interplay of sim
 ulation and experiment - Gabriele Mogni\, Clarendon Laboratory\, Universit
 y of Oxford
DTSTART:20131031T160000Z
DTEND:20131031T170000Z
UID:TALK46272@talks.cam.ac.uk
CONTACT:Stephen Walley
DESCRIPTION:The over-arching objective of the Oxford research group lead b
 y Prof. Justin Wark is to gain a better understanding of the mechanical re
 sponse properties at the microscopic lattice level of crystalline solids u
 nder the effects of dynamic compression by shock-waves. For this purpose w
 e rely on an interplay between material modeling via computational simulat
 ions on one hand\, employing such techniques as classical Molecular Dynami
 cs\, Hydrocodes and Density Functional Theory\, and actual high-power lase
 r-based experimental investigations on the other. Recent progress in our u
 nderstanding of shock-induced lattice phenomena such as plastic flow (via 
 dislocations\, stacking faults and twinning) and the occurrence of structu
 ral polymorphic solid-solid pressure-induced phase transitions will be rev
 iewed.
LOCATION:Mott Seminar Room\, Cavendish Laboratory
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