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http://dx.doi.org/10.12989/sem.2010.35.3.349

Analysis of impact response and damage in laminated composite cylindrical shells undergoing large deformations  

Kumar, Surendra (CSIR Centre for Mathematical Modelling and Computer Simulation, NAL Belur Campus)
Publication Information
Structural Engineering and Mechanics / v.35, no.3, 2010 , pp. 349-364 More about this Journal
Abstract
The impact behaviour and the impact-induced damage in laminated composite cylindrical shell subjected to transverse impact by a foreign object are studied using three-dimensional non-linear transient dynamic finite element formulation. A layered version of 20 noded hexahedral element incorporating geometrical non-linearity is developed based on total Langragian approach. Non-linear system of equations resulting from non-linear strain displacement relation and non-linear contact loading are solved using Newton-Raphson incremental-iterative method. Some example problems of graphite/epoxy cylindrical shell panels are considered with variation of impactor and laminate parameters and influence of geometrical non-linear effect on the impact response and the resulting damage is investigated.
Keywords
finite element analysis; large deformation; 20 noded layered hexahedral element; polymer matrix composites; laminated shell; impact;
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Times Cited By Web Of Science : 2  (Related Records In Web of Science)
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