Simulation Strategy For Impact Against A
Reinforced Concrete Industrial Building
Author(s)
P. Koechlin, S. Moulin, S. Potapov & E. Champain
Abstract
In the context of nuclear projects, Electricité de France (EDF) studies the
mechanical consequences of impact loads on reinforced concrete shell structures.
We developed a numerical methodology to simulate this kind of accident. Both
local behaviour in the impact zone and vibration of the whole structure are
considered even if they belong to different fields: during impact, the local
behaviour is a fast dynamics issue with strong material non-linearity whereas the
structure shaking is a slow dynamics linear elastic problem which is similar to a
seismic analysis. To treat properly the physical phenomena taking place on
different time scales, our modelling strategy is based on a domain decomposition
method implemented into EUROPLEXUS, a fast dynamic software. The non-linear
local behaviour is described by a material law using resultant shell variables
Keywords
Related Book
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