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Mathematical models, for the stress analysis of unidirectional (0°) fiber-reinforced laminated composite double cantilever beam (DCB) specimen using classical beam theory, first and higher order shear deformation beam theories, have been developed to determine the mode I strain energy release rate (SERR) for unidirectional composites. In the present study, appropriate matching conditions at the crack tip of the DCB specimen have been derived by using variational principles. SERR has been calculated using compliance method. In general, the performance of shear deformation beam models of DCB specimen with variationally derived matching conditions at the crack tip is good in determining the SERR for medium to long crack lengths. Performance of higher order shear deformation beam model (having quadratically varying transverse displacement over the thickness) of DCB specimen, with non-variationally derived matching conditions at the crack tip, is good in determining the SERR for all the crack lengths in comparison with the available theoretical and finite element solutions in the literature. Higher order shear deformation beam theories having varying transverse displacement over the thickness are more appropriate to analyze DCB specimen as they predict the appropriate nature of the interlaminar normal stress at the crack tip and its distribution ahead of the crack tip.

Titel:	Analysis of unidirectional (0°) fiber-reinforced laminated composite double cantilever beam specimen using higher order beam theories
Autor/in / Beteiligte Person:	PAVAN KUMAR, D. V. T. G ; RAGHU PRASAD, B. K
Link:	E-Journal im Bestand der UB Hagen? View record from PASCAL Archive
Zeitschrift:	Engineering fracture mechanics, Jg. 75 (2008), Heft 8, S. 2156-2174
Veröffentlichung:	Oxford; Tarrytown, NY: Elsevier, 2008
Medientyp:	academicJournal
Umfang:	print, 32 ref
ISSN:	0013-7944 (print)
Schlagwort:	Mechanics acoustics Mécanique et acoustique Metallurgy, welding Métallurgie, soudage Sciences exactes et technologie Exact sciences and technology Physique Physics Domaines classiques de la physique (y compris les applications) Fundamental areas of phenomenology (including applications) Mécanique des solides Solid mechanics Mécanique des structures et des milieux continus Structural and continuum mechanics Elasticité statique (thermoélasticité...) Static elasticity (thermoelasticity...) Mécanique de la rupture (fissure, fatigue, endommagement...) Fracture mechanics (crack, fatigue, damage...) Analyse contrainte Stress analysis Análisis tensión Calcul variationnel Variational calculus Cálculo de variaciones Contrainte normale Normal stress Tensión normal Délaminage Delamination Delaminación Effet non linéaire Non linear effect Efecto no lineal Endommagement Damaging Deterioración Energie déformation Strain energy Energía deformación Extrémité fissure Crack tip Extremidad fisura Interface solide solide Solid solid interface Interfase sólido sólido Interphase Interfase Longueur fissure Crack length Largo fisura Matériau composite Composite material Material compuesto Matériau fibre unidirectionnelle Unidirectional fiber material Material fibra unidireccional Matériau renforcé fibre Fiber reinforced material Material reforzado fibra Matériau stratifié Stratified material Material estratificado Modélisation Modeling Modelización Méthode élément fini Finite element method Método elemento finito Poutre cantilever double Double cantilever beam Viga cantilever doble Restitution énergie Energy release Restitución energía Vitesse déformation Strain rate Velocidad deformación Compliance method Composites DCB specimen Higher order beam theories Strain energy release rate
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Structures Division, National Aerospace Laboratories, Bangalore 560 017, India ; Civil Engineering Department, Indian Institute of Science, Bangalore 560 012, India Rights: Copyright 2008 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Physics: solid mechanics

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Analysis of unidirectional (0°) fiber-reinforced laminated composite double cantilever beam specimen using higher order beam theories