EAN: 9783658271121

STOCHASTIC APPROACH TO RUPTURE PROBABILITY OF S...

A method for incorporating and comparing stochastic scatter of macroscopic parameters in crash
simulations is developed in the present work and applied on a 30 wt.% short glass fiber
reinforced polypropylene. Therefore  a statistical testing plan on the basis of three point
bending tests with 30 samples for each configuration is carried out. The tests are conducted at
0°  30°  45° and 90° orientation angles and at strain rates of 0.021 s and 85 s. The obtained
results are evaluated statistically by means of probability distribution functions. An
orthotropic elastic plastic material model is utilized for the numerical investigations. Monte
Carlo Simulations with variations in macroscopic parameters are run to emulate the stochastic
rupture behavior of the experiments.

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