A Three-Dimensional Network Model for a Low Density Fibrous Composite

A procedure is described that predicts the mechanical behavior of a fibrous material by generating and analyzing finite element models of its three-dimensional microstructure. The approach is applicable to a class of materials with microstructures consisting of fibers connected at well-defined point...

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Bibliographic Details
Published in:Journal of engineering materials and technology 1998-04, Vol.120 (2), p.126-130
Main Authors: Stahl, D. C, Cramer, S. M
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Fracture mechanics, fatigue and cracks
Fundamental areas of phenomenology (including applications)
Materials
Physics
Polymer industry, paints, wood
Solid mechanics
Static elasticity
Static elasticity (thermoelasticity...)
Structural and continuum mechanics
Wood
Wood-based materials
Wood. Paper. Non wovens
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Summary:A procedure is described that predicts the mechanical behavior of a fibrous material by generating and analyzing finite element models of its three-dimensional microstructure. The approach is applicable to a class of materials with microstructures consisting of fibers connected at well-defined points. The procedure allows one to predict the effect of important sources of heterogeneity in these materials. Analyses determine initial elastic properties, failure mode, and strength of the composite; the failure analysis consists of tracking a progression of micro failures. The procedure is validated by comparison of predictions to test results.
ISSN:0094-4289
1528-8889
DOI:10.1115/1.2807000