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Thermal stress analysis and homogenization for catalytic combustor monoliths

Published online by Cambridge University Press:  01 April 1999

S. T. KOLACZKOWSKI ,
P. LIN ,
A. B. MOVCHAN ,
S. K. SERKOV  and
A. SPENCE
S. T. KOLACZKOWSKI
Affiliation:
School of Chemical Engineering, University of Bath, Bath BA2 7AY, UK
P. LIN
Affiliation:
Department of Mathematical Sciences, University of Bath, Bath BA2 7AY, UK
A. B. MOVCHAN
Affiliation:
Department of Mathematical Sciences, University of Liverpool, Liverpool, L69 3BX, UK
S. K. SERKOV
Affiliation:
Department of Mathematical Sciences, University of Bath, Bath BA2 7AY, UK
A. SPENCE
Affiliation:
Department of Mathematical Sciences, University of Bath, Bath BA2 7AY, UK
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Abstract

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We present a simple and rigorous mathematical model and efficient numerical algorithm for the three-dimensional thermal stress analysis of composite structures used in high-temperature catalytic combustors. Numerical experiments are carried out for three types of cell geometries. A homogenization algorithm is implemented, and asymptotic formulae are derived for the effective elastic moduli of the periodic structures.

Type
Research Article
Information
European Journal of Applied Mathematics , Volume 10 , Issue 2 , April 1999 , pp. 185 - 220
Copyright
1999 Cambridge University Press