Abstract
Short-fiber reinforced materials show material degradation under fatigue loading prior to failure. To investigate these effects, we model the constituents by an isotropic fatigue damage model for the matrix material and isotropic linear-elastic material model for the fibers. On the microscale we compute the overall material response for cell problems with different fiber orientation states with FFT-based methods. We discuss a concept to model order reduction, that enables us to apply the model efficiently on component scale.
MS acknowledges financial support of the German Research Foundation (DFG) within the International Research Training Group “Integrated engineering of continuous-discontinuous long fiber reinforced polymer structures” (GRK 2078).
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Magino, N., Köbler, J., Andrä, H., Welschinger, F., Müller, R., Schneider, M. (2022). A Multiscale Fatigue Model for the Degradation of Fiber-Reinforced Materials. In: Lirkov, I., Margenov, S. (eds) Large-Scale Scientific Computing. LSSC 2021. Lecture Notes in Computer Science, vol 13127. Springer, Cham. https://doi.org/10.1007/978-3-030-97549-4_44
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DOI: https://doi.org/10.1007/978-3-030-97549-4_44
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