This example shows the usage of *MAT_157, which is an orthotropic material model with plasticity and strain rate dependence. Using such a model the test results in longitudinal as well as in perpendicular direction of the fiber orientation can be reproduced very well.

More information is given in

Experimentelle und numerische Untersuchung eines kurzglasfaserverstärkten Kunststoffes
R. Jennrich, M. Roth, Prof. S. Kolling (Technische Hochschule Mittelhessen), C. Liebold (DYNAmore GmbH), G. Weber (Celanese GmbH) - 13. LS-DYNA Forum 2014, Bamberg

Short and long fiber reinforced thermoplastics material models in LS-DYNA
P. Reithofer, B. Jilka (4a engineering GmbH), S. Hartmann, T. Erhart, A. Haufe (DYNAmore GmbH) - 13. LS-DYNA Forum 2014, Bamberg