| Issue |
EPJ Web of Conferences
Volume 59, 2013
IFSA 2011 – Seventh International Conference on Inertial Fusion Sciences and Applications
|
|
|---|---|---|
| Article Number | 05017 | |
| Number of page(s) | 5 | |
| Section | V. Laser and Beam Plasma Interaction | |
| DOI | https://doi.org/10.1051/epjconf/20135905017 | |
| Published online | 15 November 2013 | |
https://doi.org/10.1051/epjconf/20135905017
Modelling of ion deceleration in interpenetrating laser-generated plasma plumes
1 CEA DIF, Bruyères le Châtel, Arpajon, France
2 Czech Technical University in Prague, FNSPE, Prague, Czech Republic
3 Institute of Physics, v.v.i., Czech Academy of Sciences, Prague, Czech Republic
4 Université Pierre et Marie Curie UPMC, LULI, Paris, France
Published online: 15 November 2013
The modelling of intense laser interaction with solid targets represents a complicated complex of plasma physics and numerical methods. The presented simulations contribute to a better understanding of plasma-wall interactions by studying the interpenetration and mutual deceleration of two plasma plumes of different materials created on two foil targets. The initial phase is simulated by the 2D hydrodynamics code PALE until the plumes start to interpenetrate. The mixing, interpenetration and deceleration of the plumes cannot be modelled by standard hydrodynamic methods and a more advanced model has to be used. We employ the 1.5D multi-fluid code MULTIF which is designed for modelling of mixing, interpenetration and deceleration of several plasmas from different materials. The simulated velocity profiles of the Al ions reveal oscillations due to their deceleration and reflection. Those numerical results compare well with X-ray spectroscopic measurements performed at the PALS laser facility.
© Owned by the authors, published by EDP Sciences, 2013
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