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Combined Hydrodynamic and Diffraction Simulations of Femtosecond X-ray Scattering from Laser-Shocked Crystals

Abstract:

We describe a simple hydrocode based on a two-step integration scheme that models the evolution of elastic and plastic strains in crystals subject to rapid laser-shock loading. By monitoring the elastic strains during plastic flow we track the rotation and spacing of lattice planes within the polycrystalline sample, and can thus predict the signal that would be produced by x-ray diffraction in a variety of experimental geometries. By employing a simple Taylor-Orowan dislocation model we simul...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Milathianaki, D More by this author
Gleason, A More by this author
Publisher:
Institute of Physics Publishing
Journal:
18TH APS-SCCM AND 24TH AIRAPT, PTS 1-19
Volume:
500
Issue:
PART 15
Pages:
152016-152016
Publication date:
2014
DOI:
EISSN:
1742-6596
ISSN:
1742-6588
URN:
uuid:b3c2ef87-26fe-45d7-ac8b-1f95c31ddc2b
Source identifiers:
473958
Local pid:
pubs:473958
Language:
English

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