Instability of a Collision Surface During High-Velocity Impact |
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Authors: | V V Demchenko M A Sergeev |
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Abstract: | The physical mechanisms of development of hydrodynamic instability during high-velocity impact are analyzed analytically and using numerical simulation. A new mechanism of development of instability based on the assumption of the existence of initial perturbations on the surfaces of the colliding plates is proposed. The progressive displacement of the maximum of the specific surface mixed mass from the shortwave to the longwave spectrum range and the self-similarity of the variation of the interface are established. |
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Keywords: | hydrodynamic instability turbulent mixing high-velocity impact numerical simulation |
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