Abstract
The compressible Rayleigh–Taylor instability of accelerated ablationfront is analysed in consideration of the preheat effects, and thecorresponding eigen-problem is solved numerically using thefourth-order accurate two-point compact difference scheme. Both thegrowth rate and perturbation profiles are obtained, and the obtainedgrowth rate is close to the results of direct numerical simulation. Ourresults show that the growth rate is more reduced and the cutoffwave length becomes longer as preheat increases.
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