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RESEARCH PAPERS

A General Method for Data Averaging of Anisotropic Elastic Constants

[+] Author and Article Information
M. Grédiac, A. Vautrin, G. Verchery

Département Mécanique et Matériaux, Ecole des Mines de Saint-Etienne, 42023 Saint-Etienne Cedex 2, France

J. Appl. Mech 60(3), 614-618 (Sep 01, 1993) (5 pages) doi:10.1115/1.2900848 History: Received July 18, 1991; Revised October 23, 1992; Online March 31, 2008

Abstract

Redundant experimental data are usually required to determine the best value for the whole set of compliances of an anisotropic laminate. A method is presented here to optimize the compliance tensor values using the five invariants of fourth-rank compliance tensors. A vectorial representation of those invariants is given. It provides a compact presentation of the data and reveals the experimental scatter. Experimental data obtained with bending tests on plates are used as an example to optimize the flexural compliance tensor of a laminate and to show the relevance of the method in practice.

Copyright © 1993 by The American Society of Mechanical Engineers
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