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December 4, 2010 | History

Manufacturing process optimization for improved failure performance of thick composite structures 1 edition

Manufacturing process optimization for improved failure performance of ...
Graeme Kennedy

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Manufacturing process optimization for improved failure performance of thick composite structures.

Published 2007 .
Written in English.

About the Book

A method is presented for finding the optimal autoclave temperature history for pre-impregnated thermoset composites based on their failure performance. A coupled finite element model which incorporates a thermo-chemical and incremental elastic analysis is used to predict the residual stress distribution at the edge of a thick composite beam. The optimal autoclave temperature is sought by formulating an objective function and an associated set of constraints. The objective is designed to maximize the minimum failure load of the manufactured beam amongst a set of load cases, while the constraints are imposed to ensure that the composite is uniformly cured and does not sustain temperature damage during the manufacturing process. A novel semi-analytic gradient evaluation technique is developed which incorporates elements of the adjoint and direct sensitivity methods. Initial results show that significant improvements in the failure load can be achieved for certain beam constructions.

Edition Notes

Source: Masters Abstracts International, Volume: 45-06, page: 3197.

Thesis (M.A.Sc.)--University of Toronto, 2007.

Electronic version licensed for access by U. of T. users.

ROBARTS MICROTEXT copy on microfiche.

The Physical Object

Pagination
83 leaves.
Number of pages
83

ID Numbers

Open Library
OL21218645M
ISBN 13
9780494272619

History Created December 10, 2009 · 2 revisions Download catalog record: RDF / JSON

December 4, 2010 Edited by Open Library Bot Added subjects from MARC records.
December 10, 2009 Created by WorkBot add works page