Paper number 614
|NUMERICAL SIMULATION OF IN-PLANE DAMAGE PROGRESSION IN LAMINATED COMPOSITE PLATES|
Kevin V. Williams1 , Anthony M. Floyd2 , Reza Vaziri2 , and Anoush Poursartip2
1Numerical Simulations Group (Materials), Weapons Effects Section, Defence Research Establishment Valcartier, 2459 Pie-XI Blvd. North, Val-Bélair, Québec, G3J 1X5, Canada
2Composites Group, Departments of Metals & Materials Engineering and Civil Engineering, The University of British Columbia, 309-6350 Stores Road, Vancouver, British Columbia, V6T 1Z4, Canada
|Summary||A new continuum damage mechanics (CDM) constitutive model, UBC-CODAM3Ds, is developed and implemented in the commercial finite element hydrocode LS-DYNA3D. The motivation for model development is to simulate damage progression, and therefore energy absorption, in composite materials subjected to a variety of loading conditions. In this paper, results of the application of the model to the prediction of the force-displacement response and damage growth in a quasi-statically loaded Oversized Compact Tension (OCT) specimen are presented. The predictive capability of the model is demonstrated through successful comparisons between the measured and predicted load- isplacement response as well as the overall damage zone size.
||Keywords|| strain softening, damage growth, continuum damage mechanics, constitutive model, energy absorption.
Theme : Mechanical and Physical Properties ; Damage Mechanics
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