Camacho, G. T. and Ortiz, M. (1997) Adaptive Lagrangian modelling of ballistic penetration of metallic targets. Computer Methods in Applied Mechanics and Engineering, 142 (3-4). pp. 269-301. ISSN 0045-7825. doi:10.1016/S0045-7825(96)01134-6. https://resolver.caltech.edu/CaltechAUTHORS:20171213-102621794
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Abstract
A Lagrangian finite element model of ductile penetration is developed. Adaptive meshing is accorded a key role in following the large deformations which develop during penetration. An explicit contact/friction algorithm is used to treat the multi-body dynamics. Rate-dependent plasticity, heat conduction and thermal coupling are also accounted for in the calculations. The properties and predictive ability of the model are exhibited in several applications: copper rod impact, perforation of aluminum plates by conical-nosed projectiles and penetration of high-strength steel targets by WHA long rods. The simulations show close agreement with experimental observations and prior numerical results.
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| Additional Information: | © 1997 Elsevier. Received 23 May 1995. The work has been funded by the Army Research Office University Research Initiative through grant DAAL 03-92-G-0107. The authors are indebted to Prof. R. Clifton, Dr. J. Nagtegaal of HKS Inc. and Dr. M. Raftenberg of BRL for helpful suggestions and discussions. | |||||||||
| Group: | GALCIT | |||||||||
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| Issue or Number: | 3-4 | |||||||||
| DOI: | 10.1016/S0045-7825(96)01134-6 | |||||||||
| Record Number: | CaltechAUTHORS:20171213-102621794 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20171213-102621794 | |||||||||
| Official Citation: | G.T. Camacho, M. Ortiz, Adaptive Lagrangian modelling of ballistic penetration of metallic targets, In Computer Methods in Applied Mechanics and Engineering, Volume 142, Issues 3–4, 1997, Pages 269-301, ISSN 0045-7825, https://doi.org/10.1016/S0045-7825(96)01134-6. (http://www.sciencedirect.com/science/article/pii/S0045782596011346) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 83882 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Lydia Suarez | |||||||||
| Deposited On: | 13 Dec 2017 18:54 | |||||||||
| Last Modified: | 15 Nov 2021 20:14 |
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