Application of hydrocode modeling to the study of hypervelocity impact crater morphology

Niblett, D.H and Gardner, D.J and Mackay, N.G and McDonnell, J.A.M. (1995) Application of hydrocode modeling to the study of hypervelocity impact crater morphology. Advances in Space Research, 17 (12). pp. 211-217. ISSN 0273-1177 . (The full text of this publication is not available from this repository)

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Abstract

In order to obtain a better understanding and model of the natural and artificial particulate environment from measurements of impact damage features on returned spacecraft materials, it is necessary to be able to determine how the size and shape of an impact feature are related to the parameters of the impacting particle. The AUTODYN-3D hydrocode has been used to study the effects of projectile density, velocity and impact angle on the the depth, diameter and ellipticity of the impact craters. The results are used to determine the distributions of crater depth to crater diameter ratios and of crater ellipticities to be expected on an aluminium surface exposed to an isotropic distribution of incident particles of given densities and velocities. Comparison of these calculated distributions with those observed for craters on aluminium clamps on various faces of the Long Duration Exposure Facility shows that particles with a wide range of densities, including significant proportions both greater and smaller than that of aluminium, were responsible for these craters.

Item Type: Article
Additional information: Document Type: Proceedings Paper
Subjects: Q Science > QB Astronomy
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: O.O. Odanye
Date Deposited: 02 Jun 2009 10:39
Last Modified: 16 Dec 2011 16:04
Resource URI: http://kar.kent.ac.uk/id/eprint/19412 (The current URI for this page, for reference purposes)
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