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Application of the boundary element method to the micromechanical analysis of composite materialsA new boundary element formulation for the micromechanical analysis of composite materials is presented in this study. A unique feature of the formulation is the use of circular shape functions to convert the two-dimensional integrations of the composite fibers to one-dimensional integrations. To demonstrate the applicability of the formulations, several example problems including elastic and thermal analysis of laminated composites and elastic analyses of woven composites are presented and the boundary element results compared to experimental observations and/or results obtained through alternate analytical procedures. While several issues remain to be addressed in order to make the methodology more robust, the formulations presented here show the potential in providing an alternative to traditional finite element methods, particularly for complex composite architectures.
Document ID
19960016917
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0045-7949(95)00003-Y
Authors
Goldberg, R. K. (NASA Lewis Research Center Cleveland, OH United States)
Hopkins, D. A. (NASA Lewis Research Center Cleveland, OH United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1995
Publication Information
ISSN: 0045-7949
Subject Category
Composite Materials
Report/Patent Number
NASA-TM-111230
NAS 1.15:111230
Accession Number
96N22525
Distribution Limits
Public
Copyright
Public Use Permitted.

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