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Cratering model of asteroid and comet impact on a planetary surface

✍ Scribed by Alexander V. Teterev

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
927 KB
Volume
23
Category
Article
ISSN
0734-743X

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✦ Synopsis

A discrete model of crater formation describing the ejection of rock fragments from a crater has been developed. This model takes into account elastic-plastic behavior of media, energy transfer by radiation, contact boundaries, thermal and force interaction of gas and fragments of ejected rock. The results obtained in the course of computational experiments demonstrate versatility and flexibility of the developed model in application to different variants of problems on impact and explosive cratering. They will be presented in a second part of the paper.

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## Abstract **Summary:** The impact of a droplet on a solid surface, pre‐patterned with a barrier, was studied using a diffuse interface model. The effect of the wettability of the barrier material and the width of the barrier on droplet spreading was investigated. The results show that depending o