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Phase 2 of the Caltech ASC converging shock experiments.

A third gas is used. It is placed within the wedge after the lens. Perturbations on the contact between this gas and the lens gas will give rise to a Richtmyer-Meshkov instability, and the acceleration towards the apex will also have aspects of the Rayleigh-Taylor instablility.

Initially two preliminary calculations were been done in which the GFM boundary of the wedge and lens were omitted. Rather, they focus on a converging cyldrical shock interacting with a density contact only.

Following this simulations of the full configuration were done in 2D

While full Phase 2 simulations have also been done in 3D

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