A New Optimization Methodology for Polar Direct Drive Illuminations at the National Ignition Facility
arxiv(2023)
摘要
A new, efficient, algorithmic approach to create illumination configurations
for laser driven high energy density physics experiments is proposed. The
method is applied to a polar direct drive solid target experiment at the
National Ignition Facility (NIF), where it is simulated to create more than x2
higher peak pressure and x1.4 higher density by maintaining better shock
uniformity. The analysis is focused on projecting shocks into solid targets at
the NIF, but with minor adaptations the method could be applied to implosions,
other target geometries and other facilities.
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