Assessment of Multiscale Design System for Fatigue Life Prediction of Advanced Composite Aircraft Structures

2016 ◽  
Author(s):  
Jacob Fish ◽  
Zheng Yuan ◽  
Jeffrey Wollschlager
Keyword(s):  
Fatigue Life ◽  
Life Prediction ◽  
Fatigue Life Prediction ◽  
Design System ◽  
Aircraft Structures ◽  
Advanced Composite

Assessment of multiscale designer for fatigue life prediction of advanced composite aircraft structures

2016 ◽  
Vol 51 (15) ◽  
pp. 2131-2141 ◽  
Author(s):  
Zheng Yuan ◽  
Robert Crouch ◽  
Jeff Wollschlager ◽  
Jacob Fish
Keyword(s):  
Fatigue Life ◽  
Polymer Matrix ◽  
Life Prediction ◽  
Polymer Matrix Composites ◽  
Fatigue Life Prediction ◽  
Matrix Composites ◽  
Aircraft Structures ◽  
Advanced Composite ◽  
Strength And Stiffness ◽  
Extensive Experimental Data

Multiscale Designer, developed by Altair, has been studied for its suitability for fatigue life prediction of advanced composite aircraft structures made of polymer matrix composites. The extensive experimental data provided by the Air Force Research Laboratory have been utilized to characterize the linear, non-linear, monotonic, and cyclic loading properties of micro-constituents comprising the polymer matrix composite system. The characterized properties have been then utilized to predict fatigue life and residual strength and stiffness of the aerospace grade polymer matrix composites.

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