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Modeling Progressive Damage Using Local Displacement Discontinuities Within the FEAMAC Multiscale Modeling FrameworkA method for performing progressive damage modeling in composite materials and structures based on continuum level interfacial displacement discontinuities is presented. The proposed method enables the exponential evolution of the interfacial compliance, resulting in unloading of the tractions at the interface after delamination or failure occurs. In this paper, the proposed continuum displacement discontinuity model has been used to simulate failure within both isotropic and orthotropic materials efficiently and to explore the possibility of predicting the crack path, therein. Simulation results obtained from Mode-I and Mode-II fracture compare the proposed approach with the cohesive element approach and Virtual Crack Closure Techniques (VCCT) available within the ABAQUS (ABAQUS, Inc.) finite element software. Furthermore, an eccentrically loaded 3-point bend test has been simulated with the displacement discontinuity model, and the resulting crack path prediction has been compared with a prediction based on the extended finite element model (XFEM) approach.
Document ID
Document Type
Conference Paper
Ranatunga, Vipul
(Miami Univ. Middletown, OH, United States)
Bednarcyk, Brett A.
(NASA Glenn Research Center Cleveland, OH, United States)
Arnold, Steven M.
(NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
August 25, 2013
Publication Date
October 1, 2010
Subject Category
Composite Materials
Report/Patent Number
AIAA Paper 2010-2619
Meeting Information
51st Structures, Structural Dynamics, and Materials Conference(Orlando, FL)
Funding Number(s)
WBS: WBS 645846.
Distribution Limits
Public Use Permitted.
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