In DamageDict, a simulation tool is being developed, that predicts the failure behavior of fiber-plastic composites at the micro- and mesoscale level.
For the best possible utilisation of the lightweight design potential, failure behavior and strength limits must be determined as precisely as possible. However, it is critical to select suitable strength and failure criteria, since these criteria are sometimes too imprecise or do not reflect the different failure modes of the composites. Puck’s effective plane criterion allows the failure of FRP structures to be predicted accurately, but the experimental effort in advance is enormous. In order to reduce the effort, it is promising to partially substitute the experiments by simulative approaches. For this purpose, the material behavior is determined by means of transverse tension/compression tests on a tension-compression-torsion test rig with superimposed shear stress, and optically substantiated by insitu X-ray microscopic analyses. The experimental results are compared with the simulatively determined characteristic values. The simulative property determination of the multiscale anisotropic FRP structure is efficiently implemented by using multiscale simulation methods. At the microscale, the material behavior and crack initiation between fibers and matrix are simulated in detail. These data are taken into account in the finite element model, which is used to predict the failure of the fiber-plastic composite at the meso level (layer level). In DamageDict, a simulation tool is being developed, that predicts the failure behavior of fiber-plastic composites at the micro- and mesoscale level.
Telephone: +49 631 2017 469 Scientific Staff Digitalized Process & Material Development
Scientific Staff Digitalized Process & Material Development
Telephone: +49 631 2017 206 Wiss. Mitarbeiter Bauweisen
Wiss. Mitarbeiter Bauweisen
The project “DamageDict – Simulative Damage Prediction based on Material Models at Micro Level for Scrim Laminates“ is funded by the central innovation program (ZIM) of the Federal Ministry for Economic Affairs and Energy (BMWi) on the basis of a decision by the German Bundestag (funding reference ZF4052328LF9).