@Article{cmc.2013.035.229,
AUTHOR = {Brett A.  Bednarcyk, Phillip W.  Yarrington, Steven M.  Arnold},
TITLE = {Multiscale Fatigue Life Prediction for Composite Panels},
JOURNAL = {Computers, Materials \& Continua},
VOLUME = {35},
YEAR = {2013},
NUMBER = {3},
PAGES = {229--254},
URL = {http://www.techscience.com/cmc/v35n3/22677},
ISSN = {1546-2226},
ABSTRACT = {Fatigue life prediction capabilities have been incorporated into the HyperSizer Composite Analysis and Structural Sizing Software. The fatigue damage model is introduced at the fiber/matrix constituent scale through HyperSizer’s coupling with NASA’s MAC/GMC micromechanics software. This enables prediction of the micro scale damage progression throughout stiffened and sandwich panels as a function of cycles leading ultimately to simulated panel failure. The fatigue model implementation uses a cycle jumping technique such that, rather than applying a specified number of additional cycles, a specified local damage increment is specified and the number of additional cycles to reach this damage increment is calculated. In this way, the effect of stress redistribution due to damage-induced stiffness change is captured, but the fatigue simulations remain computationally efficient. The model is compared to experimental fatigue life data for two composite facesheet/foam core sandwich panels, demonstrating very good agreement.},
DOI = {10.3970/cmc.2013.035.229}
}