Random Field Modeling of Elastic Properties Using Homogenization
This paper addresses the random field characterization of elastic properties. Consistent random field properties of a continuum are derived from a simple stochastic micromechanical model of the continuum. Existing displacement-based techniques to homogenize the discrete microstructure are discussed...
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Published in | Journal of engineering mechanics Vol. 127; no. 1; pp. 27 - 36 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
Reston, VA
American Society of Civil Engineers
01.01.2001
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Subjects | |
Online Access | Get full text |
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Summary: | This paper addresses the random field characterization of elastic properties. Consistent random field properties of a continuum are derived from a simple stochastic micromechanical model of the continuum. Existing displacement-based techniques to homogenize the discrete microstructure are discussed and a new force-based technique is introduced. The stochastic features of a micromechanically consistent continuum can be considerably different from those based on a straightforward randomization of deterministic constitutive laws. Examples indicate the relevance for structural reliability. The impact of uncertainties associated with selecting micromechanical models is assessed. |
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Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0733-9399 1943-7889 |
DOI: | 10.1061/(ASCE)0733-9399(2001)127:1(27) |