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Development of 3-Dim FEM Multi-Material Hydrocode  

Lee, Min-Hyung (Sejong University)
Publication Information
Journal of the Korea Institute of Military Science and Technology / v.11, no.5, 2008 , pp. 116-123 More about this Journal
Abstract
Hydrocodes are large computer programs that can be used to solve a wide variety of highly transient problems such as high-speed impact and explosion events. This paper describes the recent activity to develop a Multi-material hydrocode in Korea. The code consists of two stages; Lagrangian, and remap stages. Although a sophisticated contact algorithm has been developed for Lagrangian calculations, a relatively simple mechanics at the interfaces of materials are used in the multi-material Eulerian code. Volume of fluid interface reconstruction methods are used to resolve the interfaces between different materials. For the advection stage of the cell centered properties, one-dimensional hyperbolic equation is used. Test problems demonstrated here are the high-speed impact/penetration and explosion problems.
Keywords
Hydrocode; Multi-material; Contact; High-Speed Impact; Explosion;
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1 McGlaun J. M., Thompson S. L. and Elrick M. G., "CTH : A Three-Dimensional Shock Wave Physics Code", Int. J. Impact Eng. Vol. 10, pp. 351-360, 1990   DOI   ScienceOn
2 Youngs D. L., "Time Dependent Multimaterial Flow with lArge Fluid Distortion", Numerical Methods for Fluid Dynamics, edited by K.W. Morton and M.J Baines, Academic Press, 1982
3 Summers R. M., Peery J. S., Wong M. W., Hertel E. S., Trucano T. G. and Chhabildas L. C., "Recent Progress in ALEGRA Development and Application to Ballistic Impacts", Int. J. Impact Eng. Vol. 20, pp. 779-788, 1997   DOI   ScienceOn
4 Paik S. H., Moon J. J., Kim S. J. and Lee M., "Parallel Performance of Large Scale Impact Simulations on Linux Cluster Super Computer", Computers and Structures. Vol. 84, pp. 732-741, 2006   DOI   ScienceOn
5 Evans M. E. and Harlow F. H., "The Particlein- Cell Method for Hydrodynamic Calculations", Los Alamos Scientific Laboratory, LA-2139, 1957
6 Hertel E. S., "A Survey of Numerical Methods for Shock Physics Applications", Int. Workshop on New Models and Numerical Codes for Shock Wave Processes in Condensed Media, Sep. 15-19, Oxford, England, 1997
7 Anderson C. E., "An Overview of the Theory of Hydrocodes", Int. J. of Impact Eng. Vol. 5, pp. 33-59, 1987   DOI   ScienceOn
8 Van Leer, B., "Towards the Ultimate Conservative Difference Scheme, IV. A New Approach to Numerical Convection", J. Comp. Phys. Vol. 23, pp. 276-299, 1977   DOI   ScienceOn
9 Weingarten L. I., Horstemeyer M. F. and Trento W. P., "Modeling Underwater Explosions with an Eulerian Code", Proceedings of 63rd Shock and Vibration Symposium pp. 269-277, 1990
10 Kinney G. F., Graham K. J., Explosive Shocks in Air, 2nd Edition, Springer-Verlag, 1995
11 Lee M., Chung W. J., Kim H. J. and Kim H. W., "ExLO : A Three-Dimensional Total Shock Physics Code", submitted, J. of Mechanical Science and Technology, 2008
12 Yoo Y. H. and Lee M., "A Three-Dimensional FE Analysis of Large Deformations for Impact Loadings using Tetrahedral Elements", Computational Mechanics. Vol. 30, pp. 96-105, 2003   DOI
13 Anderson C. E., Walker J. D., Bless S. J., Partom Y., "On the L/D Effect for Long- Rod Penetrators", Int. J. Impact Eng. Vol. 18, pp. 247-264, 1996   DOI   ScienceOn