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Modelling Structural Failure with Finite Element Analysis of Controlled Demolition of Buildings by Explosives Using LS-DYNA

In: High Performance Computing in Science and Engineering '09

Author

Listed:
  • Georgios Michaloudis

    (Institute of Mechanics)

  • Gunther Blankenhorn
  • Steffen Mattern
  • Karl Schweizerhof

Abstract

When buildings are not longer used, controlled deconstruction is necessary. Besides systematic dismounting with heavy machines, a very efficient way is to use controlled explosives. The main load-carrying structural parts of the building are weakened by an explosive charge, which leads to a specific collapse kinematics. This has to be predicted reliably, in order to consider the boundary conditions such as neighboring buildings and traffic loaded streets. When planning such a collapse event, it is desirable to have a reliable simulation of the complete collapse process, also considering the uncertainty of primary parameters influencing e.g. the resistance of structural elements of a building. The ‘Research Unit 500’ [1], funded by the German Research Foundation (Deutsche Forschungsgemeinschaft – DFG) develops a special simulation concept by subdividing the collapse analysis into several – problem specific – analyses.

Suggested Citation

  • Georgios Michaloudis & Gunther Blankenhorn & Steffen Mattern & Karl Schweizerhof, 2010. "Modelling Structural Failure with Finite Element Analysis of Controlled Demolition of Buildings by Explosives Using LS-DYNA," Springer Books, in: Wolfgang E. Nagel & Dietmar B. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '09, pages 539-551, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-04665-0_37
    DOI: 10.1007/978-3-642-04665-0_37
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