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

[+] Author and Article Information
D. C. Stahl

Architectural Engineering, Milwaukee School of Engineering, 1025 N. Broadway, Milwaukee, WI 53202

S. M. Cramer

Civil and Environmental Engineering, University of Wisconsin-Madison, Madison, WI 53706

J. Eng. Mater. Technol 120(2), 126-130 (Apr 01, 1998) (5 pages) doi:10.1115/1.2807000 History: Received November 09, 1996; Revised December 01, 1996; Online November 27, 2007


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.

Copyright © 1998 by The American Society of Mechanical Engineers
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