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Published June 2007 | public
Journal Article

Large-scale fluid–structure interaction simulation of viscoplastic and fracturing thin-shells subjected to shocks and detonations

Abstract

The fluid–structure interaction simulation of shock- and detonation-loaded thin-walled structures requires numerical methods that can cope with large deformations as well as local topology changes. We present a robust level-set-based approach that integrates a Lagrangian thin-shell finite element solver with fracture and fragmentation capabilities and an Eulerian Cartesian fluid solver with optional dynamic mesh adaptation. As computational applications, we consider the plastic deformation of a copper plate impacted by a strong piston-induced pressure wave inside a water pipe; and the induction of large plastic deformations and rupture of thin aluminum tubes due to the passage of ethylene–oxygen detonations.

Additional Information

© 2006 Elsevier Ltd. Received 1 June 2006; accepted 20 November 2006. Available online 16 January 2007. This work has been carried out largely when all the authors were at the ASC Center for the Dynamic Response of Materials the California Institute of Technology and were supported by the ASC program of the Department of Energy under subcontract no. B341492 of DoE contract W-7405-ENG-48. We thank particular D.I. Meiron for his continued interest and support. Part of this work was also sponsored by the Mathematical, Information, and Computational Sciences Division; Office of Advanced Scientific Computing Research; U.S. Department of Energy and was performed at the Oak Ridge National Laboratory, which is managed by UT-Battelle, LLC under Contract No. De-AC05-00OR22725. The authors would like to thank J.E. Shepherd and his group (J.C. Krok, Z. Liang, J. Karnesky and F. Pintgen) from the Graduate Aeronautical Laboratory of the California Institute of Technology for kindly providing the unpublished experimental validation results shown in Figs. 14 and 18. Further, we would like to thank V.S. Deshpande and N. Fleck from the Department of Engineering of the University of Cambridge for providing the validation result shown in Fig. 12.

Additional details

Created:
August 22, 2023
Modified:
October 20, 2023