Abstract
Exact similarity solutions for inviscid compressible ablative flows in slab symmetry with nonlinear heat conduction are proposed for studying unsteady and compressible effects on the hydrodynamic stability of ablation fronts relevant to inertial confinement fusion (ICF). These similarity solutions and their linear perturbations are computed numerically using a dynamical multidomain Chebyshev pseudo-spectral method. Linear perturbation results obtained for the laser-imprint problem show then that maximum amplification occurs for laser-intensity modulations of vanishing wavenumbers.
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