LATIS modeling of laser induced midplane and backplane spallation

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The computer code LATIS is used to simulate midplane and backplane spallation resulting from short pulsed laser absorption. A 1-D planar geometry is simulated with an exponential laser absorption profile. The laser pulse length is assumed to be much shorter than the sound transit time across the laser absorption length. The boundary conditions are a fixed front plane and free backplane (backplane spall) and a free front plane and a fixed midplane (midplane spall). The NBS/NRC equation of state for water is used with a self- consistent yet empirical material strength and failure model. The failure model includes the effects ... continued below

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17 p.

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Glinksky, M.E.; Bailey, D.S. & London, R.A. March 5, 1997.

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Description

The computer code LATIS is used to simulate midplane and backplane spallation resulting from short pulsed laser absorption. A 1-D planar geometry is simulated with an exponential laser absorption profile. The laser pulse length is assumed to be much shorter than the sound transit time across the laser absorption length. The boundary conditions are a fixed front plane and free backplane (backplane spall) and a free front plane and a fixed midplane (midplane spall). The NBS/NRC equation of state for water is used with a self- consistent yet empirical material strength and failure model. The failure model includes the effects of void nucleation, growth and coalescence. Definite signatures of the nucleation and coalescence thresholds are found in the back surface motion for backplane spallation.

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17 p.

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OSTI as DE97052571

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  • SPIE international symposium, San Jose, CA (United States), 8-14 Feb 1997

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  • Other: DE97052571
  • Report No.: UCRL-JC--126510
  • Report No.: CONF-970231--40
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 508731
  • Archival Resource Key: ark:/67531/metadc692316

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 5, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 19, 2016, 11:04 a.m.

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Glinksky, M.E.; Bailey, D.S. & London, R.A. LATIS modeling of laser induced midplane and backplane spallation, article, March 5, 1997; California. (digital.library.unt.edu/ark:/67531/metadc692316/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.