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Molecular Dynamics Simulations of Laser Induced Ablation for Micro Propulsion

In: High Performance Computing in Science and Engineering ‘14

Author

Listed:
  • Daniel J. Förster

    (Universität Stuttgart, Institut für Funktionelle Materialien und Quantentechnologien)

  • Stefan Scharring

    (Deutsches Zentrum für Luft- und Raumfahrttechnik, Institut für technische Physik)

  • Johannes Roth

    (Universität Stuttgart, Institut für Funktionelle Materialien und Quantentechnologien)

  • Hans-Albert Eckel

    (Deutsches Zentrum für Luft- und Raumfahrttechnik, Institut für technische Physik)

Abstract

A new concept of micro propulsion based upon laser ablation MICROLAS was introduced by the Institute of Technical Physics (ITP) of DLR Stuttgart. Pulsed lasers are used for material removal of a target. The amount of removed material should be variable due to the tunability of input laser energy and repetition rate, resulting in well defined impulse bits and low small thrusts down to the sub-μN scale. We present a modeling approach of laser ablation in order to calculate important figures of merit in aerospace engineering. The program applied is IMD ( http://imd.itap.uni-stuttgart.de ), an open source molecular dynamics package of the Institute of Functional Materials Quantum Technologies (FMQ). Results are compared with a hydrodynamic code, VLL ( http://vll.ihed.ras.ru ), as well as with experimental investigations.

Suggested Citation

  • Daniel J. Förster & Stefan Scharring & Johannes Roth & Hans-Albert Eckel, 2015. "Molecular Dynamics Simulations of Laser Induced Ablation for Micro Propulsion," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering ‘14, edition 127, pages 139-152, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-10810-0_10
    DOI: 10.1007/978-3-319-10810-0_10
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