Alternatively to experimental drop tests, the mechanical safety analyses of containers for final disposal of radioactive waste with negligible heat generation in the German Konrad repository may be carried out by numerical simulations within the safety assessment procedure. In the past, safety assessments for thin-walled steel sheet containers have been done exclusively by prototype tests and unfavorable drop scenarios were determined by engineering judgment. So far, reliable numerical simulations do not exist. Therefore, a research project was started to develop numerical simulation approaches for drop test analyses and to determine existing safety margins. Comparisons of experimental and numerical results confirm that the Finite Element (FE) model represents the general mechanical behavior of the steel sheet container sufficiently. Simulations have been used to determine an unfavorable drop scenario resulting in large deformation and damage. This paper presents the investigations carried out as well as the further development of the FE model in terms of damage mechanics.
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ASME 2015 Pressure Vessels and Piping Conference
July 19–23, 2015
Boston, Massachusetts, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5702-1
PROCEEDINGS PAPER
Explicit Finite Element Analyses of Drop Tests With Thin-Walled Steel Sheet Containers for the Konrad Repository
Christian Protz,
Christian Protz
BAM Federal Institute for Materials Research and Testing, Berlin, Germany
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Uwe Zencker,
Uwe Zencker
BAM Federal Institute for Materials Research and Testing, Berlin, Germany
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Robert Liebich
Robert Liebich
Technical University Berlin, Berlin, Germany
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Christian Protz
BAM Federal Institute for Materials Research and Testing, Berlin, Germany
Uwe Zencker
BAM Federal Institute for Materials Research and Testing, Berlin, Germany
Robert Liebich
Technical University Berlin, Berlin, Germany
Paper No:
PVP2015-45522, V007T07A040; 10 pages
Published Online:
November 19, 2015
Citation
Protz, C, Zencker, U, & Liebich, R. "Explicit Finite Element Analyses of Drop Tests With Thin-Walled Steel Sheet Containers for the Konrad Repository." Proceedings of the ASME 2015 Pressure Vessels and Piping Conference. Volume 7: Operations, Applications and Components. Boston, Massachusetts, USA. July 19–23, 2015. V007T07A040. ASME. https://doi.org/10.1115/PVP2015-45522
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