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

Georgios Michaloudis (), Gunther Blankenhorn, Steffen Mattern and Karl Schweizerhof
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Georgios Michaloudis: Institute of Mechanics

A chapter in High Performance Computing in Science and Engineering '09, 2010, pp 539-551 from Springer

Abstract: 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.

Keywords: Failure Criterion; MultiBody System; Slave Node; Rest Position; Node Splitting (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-04665-0_37

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DOI: 10.1007/978-3-642-04665-0_37

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