Hydrodynamic modeling of laser interaction with micro-structured targets
Abstract
A model is developed for numerical simulations of laser absorption in plasmas made of porous materials, with particular interest in low-density foams. Laser absorption is treated on two spatial scales simultaneously. At the microscale, the expansion of a thin solid pore wall is modeled in one dimension and the information obtained is used in the macroscale fluid simulations for the description of the plasma homogenization behind the ionization front. This two-scale laser absorption model is implemented in the arbitrary Lagrangian–Eulerian hydrocode PALE. In conclusion, the numerical simulations of laser penetration into low-density foams compare favorably with published experimental data.
- Authors:
-
- Czech Technical Univ. in Prague, Prague (Czech Republic); Univ. de Bordeaux, Talence cedex (France); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Czech Technical Univ. in Prague, Prague (Czech Republic)
- Univ. de Bordeaux, Talence cedex (France)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- Work performed elsewhere; USDOE
- OSTI Identifier:
- 1304831
- Report Number(s):
- LA-UR-16-20274
Journal ID: ISSN 0741-3335; TRN: US1700140
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Plasma Physics and Controlled Fusion
- Additional Journal Information:
- Journal Volume: 58; Journal Issue: 9; Journal ID: ISSN 0741-3335
- Publisher:
- IOP Science
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Atomic and Nuclear Physics
Citation Formats
Velechovsky, Jan, Limpouch, Jiri, Liska, Richard, and Tikhonchuk, Vladimir. Hydrodynamic modeling of laser interaction with micro-structured targets. United States: N. p., 2016.
Web. doi:10.1088/0741-3335/58/9/095004.
Velechovsky, Jan, Limpouch, Jiri, Liska, Richard, & Tikhonchuk, Vladimir. Hydrodynamic modeling of laser interaction with micro-structured targets. United States. https://doi.org/10.1088/0741-3335/58/9/095004
Velechovsky, Jan, Limpouch, Jiri, Liska, Richard, and Tikhonchuk, Vladimir. Wed .
"Hydrodynamic modeling of laser interaction with micro-structured targets". United States. https://doi.org/10.1088/0741-3335/58/9/095004. https://www.osti.gov/servlets/purl/1304831.
@article{osti_1304831,
title = {Hydrodynamic modeling of laser interaction with micro-structured targets},
author = {Velechovsky, Jan and Limpouch, Jiri and Liska, Richard and Tikhonchuk, Vladimir},
abstractNote = {A model is developed for numerical simulations of laser absorption in plasmas made of porous materials, with particular interest in low-density foams. Laser absorption is treated on two spatial scales simultaneously. At the microscale, the expansion of a thin solid pore wall is modeled in one dimension and the information obtained is used in the macroscale fluid simulations for the description of the plasma homogenization behind the ionization front. This two-scale laser absorption model is implemented in the arbitrary Lagrangian–Eulerian hydrocode PALE. In conclusion, the numerical simulations of laser penetration into low-density foams compare favorably with published experimental data.},
doi = {10.1088/0741-3335/58/9/095004},
journal = {Plasma Physics and Controlled Fusion},
number = 9,
volume = 58,
place = {United States},
year = {Wed Aug 03 00:00:00 EDT 2016},
month = {Wed Aug 03 00:00:00 EDT 2016}
}
Web of Science
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