The "Virtual Lab"
For the "virtual determination of characteristic values", the model we use considers a material's microstructure in the form of a representative volume element. The microstructure's individual grains are spatially resolved and parameters such as grain shape, grain orientation and phase distribution are taken into account. Only a few experiments are required for the calibration of these micro-models, for example, one single tensile test. After calibration, it becomes quite simple to perform further "virtual testing". By modifying boundary conditions, we can also run compression tests or multi-axial tests and analyze loading conditions which are quite difficult, if not impossible, to realize experimentally.
Through the combination of simple experiments and the data obtained through the Fraunhofer IWM "Virtual Lab", new insights are gained which can be used to formulate more exact descriptions of sheet metal materials. Our know-how and experience enables to put this "virtual characterization" to work in an efficient manner for our clients.
Services related to the "Virtual Lab"
Creation of numerical simulations and models for the "virtual determination of characteristic values"
Experimental analysis of microstructure and texture including the subsequent transfer into the simulation model
Calibration of the "Virtual Lab" based on standard test data
Implementation and evaluation of "Virtual Lab" simulations
"Virtual Lab" applications
Simulation of various loading conditions
Characterization of macroscopic values and data for sheet metal materials, for example, flow curve, yield surface and r-values
Provision of "Virtual Lab" data in the same format as the experimental data