High Power Laser Science and Engineering, Volume. 8, Issue 1, 010000e7(2020)
Hydrodynamic computational modelling and simulations of collisional shock waves in gas jet targets Editors' Pick
Fig. 1. Simulation of the spherical expansion of the blast wave (left) and the lineout (red line) of the steep density walls at the front of the shock (right) in an homogeneous hydrogen gas, for initial density of
Fig. 2. Time evolution of density profiles along the laser propagation axis for a blast wave at
Fig. 3. Left: the cylinder where the energy is deposited, representing the confocal volume of the laser pulse with
Fig. 4. The triangular density shape used in the simulation (blue) and the initial energy deposition (red), for
Fig. 5. The profiles of backing pressures of 4, 5 and 6 bar (maximum) that correspond to the molecular densities of
Fig. 6. Comparison of the FLASH and self-similar Sedov results for 20 mJ absorbed energy, for initial density
Fig. 7. The blast wave radii (left) and the corresponding ratio of the peak electron density to the critical density (right). Time evolution up to 20 ns for 1, 5, 20 and 100 mJ absorbed energy deposited at
Fig. 8. The blast wave radii (left) and the corresponding ratio of the peak electron density to the critical density (right). Time evolution up to 20 ns for 1, 5, 20 and 100 mJ absorbed energy deposited at 0.02 cm prior to the centre of the throat. Initial density was set to
Fig. 9. The density scale lengths versus time (left) and blast wave radii length (right), for density of
Fig. 10. The blast wave radii (left) and the corresponding ratio of peak electron density to the critical density (right). Time evolution up to 15 ns for 5, 50, 100, 250, 500 and 1000 mJ absorbed energies, deposited at 0.05 cm prior to the centre of the throat. Initial density was set to
Fig. 11. The density scale lengths versus time (left) and blast wave radii length (right), for density of
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Stylianos Passalidis, Oliver C. Ettlinger, George S. Hicks, Nicholas P. Dover, Zulfikar Najmudin, Emmanouil P. Benis, Evaggelos Kaselouris, Nektarios A. Papadogiannis, Michael Tatarakis, Vasilis Dimitriou. Hydrodynamic computational modelling and simulations of collisional shock waves in gas jet targets[J]. High Power Laser Science and Engineering, 2020, 8(1): 010000e7
Category: Research Articles
Received: Sep. 23, 2019
Accepted: Feb. 7, 2020
Published Online: Mar. 27, 2020
The Author Email: Vasilis Dimitriou (dimvasi@hmu.gr)