Automated design of composite plates for improved damage toleranceThe present effort toward design automation for local damage tolerance in composite plates under compressive loading, simulating the local damage condition by a central, through-the-thickness crack-like notch, uses a micromechanical failure model for the fiber kink formation in the load-carrying layers. This accounts for the combined effects of compressive and shearing stresses around the notch. For stiffened plates, minimum-weight configurations are obtained where the crack is isolated in low stiffness plate regions.
Document ID
19890028906
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Gurdal, Zafer (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Haftka, Raphael T. (Virginia Polytechnic Institute and State University Blacksburg, United States)