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Composite materials and structures


Composite materials are gaining more and more importance in numerous technically relevant applications from civil, mechanical, and aerospace engineering. They are typically characterized by improved mechanical or thermal properties compared to those of the single constituents. For instance in lightweight constructions, they are frequently employed due to their high strength at low density – and hence low weight.

The challenge in modeling these materials lies in the fact that their macroscopic behavior on the structural level strongly depends on the material properties of the constituents and on the topology and geometry of the underlying microstructure. In order to account for this influence of the microstructure, multiscale modeling strategies are applied here, which rely upon numerical homogenization methods.

Group leader: Prof. Dr.-Ing. habil. Jaan Simon

Figure: Microscope images of real microstructures (top) and corresponding numerically generated models (bottom) for some of the composite materials investigated in this group.


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