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Stochastic micromechanical and macromechanical reliability analyses of composite plates

Lookup NU author(s): Dr Andrew Shaw, Professor Peter Gosling

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Abstract

A reliability analysis of a composite plate or shell will typically involve complex coupling between a reliability method and a finite element code. The work presented here is a contribution to the development of such a modeling tool. A mathematically idealized benchmark is derived to test the reliability method in isolation prior to coupling with a deterministic finite element method. It consists of a simply supported, rectangular plate subjected to either a uniform or line load and closed form solutions exist for the stress tensor components. Two case studies are carried out: a macromechanical analysis of an isotropic short fiber, composite plate; a micromechanical analysis of an orthotropic, unidirectional, fiber reinforced composite plate. The former is used to examine techniques for addressing correlated variables and the later to assess the relative advantages and disadvantages of a micromechanics modeling approach. © 2009 by the American Institute of Aeronautics and Astronautics, Inc.


Publication metadata

Author(s): Shaw A, Gosling P

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference

Year of Conference: 2009

Pages: -

Publisher: AIAA

URL: http://pdf.aiaa.org/preview/CDReadyMSDM09_2047/PV2009_2243.pdf

Library holdings: Search Newcastle University Library for this item

ISBN: 9781563479731


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