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Development of an Advanced Continuum Theory for Composite Laminates. Phase 1

A continuum theory for laminated composite materials, referred to as 'Cosserat Composite Theory', was developed. The theory was represented by a set of well defined conservation laws that within the context of purely mechanical theory exhibits the following features: (i) it accounts for th...

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Main Authors:	Ghanimati, G R, Panahandeh, M, Bozorgnia, Y
Format:	Report
Language:	English
Subjects:	COMPOSITE MATERIALS CONSERVATION DYNAMICS ELASTIC PROPERTIES EQUATIONS GEOMETRY LAMINATES Laminates and Composite Materials MATERIALS MECHANICAL PROPERTIES MICROSTRUCTURE NONLINEAR SYSTEMS STRESSES THEORY
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creator	Ghanimati, G R Panahandeh, M Bozorgnia, Y
description	A continuum theory for laminated composite materials, referred to as 'Cosserat Composite Theory', was developed. The theory was represented by a set of well defined conservation laws that within the context of purely mechanical theory exhibits the following features: (i) it accounts for the effect of microstructures, (ii) it accounts for the effect of geometric nonlinearity, (iii) it accounts for the interlaminar stresses and therefore delamination can be considered, (iv) it is cable of incorporating the effect of material nonlinearity, (v) it accounts for the effect of curvature, (vi) it possesses a continuum character, and finally (vii) it is applicable to both static and dynamic problems. The composite laminate was modeled as a series of Cosserat surfaces which were considered as microstructures. Various quantities associated with the microstructure were defined and the corresponding quantities for composite laminates were derived. The nonlinear constitutive equations for an elastic composite laminate were presented.
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source	DTIC Technical Reports
subjects	COMPOSITE MATERIALS CONSERVATION DYNAMICS ELASTIC PROPERTIES EQUATIONS GEOMETRY LAMINATES Laminates and Composite Materials MATERIALS MECHANICAL PROPERTIES MICROSTRUCTURE NONLINEAR SYSTEMS STRESSES THEORY
title	Development of an Advanced Continuum Theory for Composite Laminates. Phase 1
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