Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N20: Matter at Extreme Conditions: Simulation and Novel Methods
11:30 AM–2:06 PM,
Wednesday, March 8, 2023
Room: Room 212
Sponsoring
Unit:
GSCCM
Chair: J Matthew Lane, Sandia National Laboratories
Abstract: N20.00008 : Vortical flow and the modulationof jetting processes*
1:18 PM–1:30 PM
Presenter:
William Schill
(Lawrence Livermore National Laboratory)
Author:
William Schill
(Lawrence Livermore National Laboratory)
Collaboration:
William Schill, Hector Lorenzana, Jon Belof
shockwave/interface interactions. The model is based off treating the vorticity field as the principal
independent variable. Following classical vortex dynamics, we develop a low dimensional set of ODEs
which are easily integrated to simulate jetting processes. We identify basic mechanisms which enhance
or suppress the jet speed. In a special case, we are able to identify an explicit and exact solution which
completely suppress the jet growth. The results compare favorably with full hydrocode simulations.
Prospects for experiments and applications will be discussed.
*This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. Lawrence Livermore National Security, LLNL-ABS-835146
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