Fraunhofer Institute for Mechanics of Materials IWM
Fraunhofer Institute for Mechanics of Materials IWM

Probabilistic material and component simulation

© Fraunhofer IWM

Many composites, such as short or long fiber reinforced plastics or solid foams, have a distinctively disordered microstructure and, as a result, exhibit a scattering, uncertain material response. Modern probabilistic simulation methods based on the known variance of microstructural properties can predict the expected variance of material properties in a reliable manner. Similarly, a probabilistic component simulation can be used to predict the variance in component behavior based on the variance in material behavior.

Publications

 

  • Hohe, J., Geometry modelling and elastic property prediction for short fiber composites, Multi-scale continuum mechanics modelling of fibre-reinforced polymer composites, Part I: Geometry construction and homogenization of linear elastic material behavior at micro- and meso-scale; van Paepegem, W. (Ed.); Elsevier B.V., Amsterdam, NL (2021) 55-77 Link
  • Radaelli, F.; Amann, C.; Aydin, A.; Varfolomeev, I.; Gumbsch, P.; Kadau, K., A probabilistic model for forging flaw crack nucleation processes, Proc. of ASME Turbo Expo: Power for Land, Sea, and Air 2020, Vol. 10B/Structures an Dynamics; American Society of Mechanical Engineers (ASME), New York, NY, USA (2021) Paper No: GT2020-14606, V10BT28A004; 10 pages Link
  • Hohe, J.; Beckmann, C.; Böhme, W.; Weise, J.; Reinfried; M.; Luthardt, F.; Rapp, F.; Diemert, J., An experimental and numerical survey into the potential of hybrid foams, Mechanics of Materials 136 (2019) 103063 1-15 Link
  • Zerbst, U.; Madia, M.; Schork, B.; Hensel, J.; Kucharczyk, P.; Ngoula, D.; Tchuindjang, D.; Bernhard, J.; Beckmann, C., Fatigue and fracture of weldments - The IBESS approach for the determination of the fatigue life and strength of weldments by fracture mechanics analysis; Springer Nature Switzerland AG, Cham, Schweiz (2019) 157 Seiten Link
  • Beckmann, C.; Kennerknecht, T.; Preußner, J.; Farajian, M.; Luke, M.; Hohe, J., Micromechanical investigation and numerical simulation of fatigue crack formation in welded joints, Engineering Fracture Mechanics 198 (2018) 142-157 Link
  • Hohe, J.; Paul, H.; Beckmann, C., A probabilistic elasticity model for long fiber reinforced thermoplastics with uncertain microstructure, Mechanics of Materials 122 (2018) 118-132 Link