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The article presents the results of a numerical simulation of the consequences of a change in the shape of a system of molecular clouds after a strong shock wave from a supernova explosion passes through them. Numerical modeling was carried out with parallelization on heterogeneous computers. The change in the shape of cloud remnants after a collision, caused by instabilities in the flow and supersonic turbulence in the cloud mixing zone, is considered. The morphology of the resulting horseshoe-shaped, hairpin and wake vortex structures has been studied. The details of the emerging gas stratification by density and vortex turbulization of cloud remnants, which lead to the destruction of molecular clouds with a change in their structure, are considered.

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The Influence of the Kelvin-Helmholtz Instability on the Shape and Decay of Molecular Clouds Remnants Moving Behind the Shock Wave After a Supernova Explosion

  • 会议论文

  • 发表日期：

    2025年

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  • Boris Rybakin,
  • Valery Goryachev

摘要

The article presents the results of a numerical simulation of the consequences of a change in the shape of a system of molecular clouds after a strong shock wave from a supernova explosion passes through them. Numerical modeling was carried out with parallelization on heterogeneous computers. The change in the shape of cloud remnants after a collision, caused by instabilities in the flow and supersonic turbulence in the cloud mixing zone, is considered. The morphology of the resulting horseshoe-shaped, hairpin and wake vortex structures has been studied. The details of the emerging gas stratification by density and vortex turbulization of cloud remnants, which lead to the destruction of molecular clouds with a change in their structure, are considered.