Date of Award

3-1992

Document Type

Thesis

Degree Name

Master of Science

Department

Department of Aeronautics and Astronautics

First Advisor

Ronald L. Bagley, PhD

Abstract

A new model for composites represents a composite panel as an alternating stack of isotropic matrix and orthotropic fiber-dominated layers. An energy approach results in a set of partial differential equations and boundary conditions where the mechanical properties of the matrix and fibers appear separately. Two solution methods are developed. The first, called Strata Theory is developed for general applications, while the second, called the Exact Stratified Plate, is used as a benchmark for comparison to Strata Theory. Both solutions assume zero gradients of displacement through the thickness of a fiber layer. They are compared for an isotropic material and a two-ply composite with cross-plies, using simply-supported cases of a square plate and cylindrical bending.

AFIT Designator

AFIT-GA-ENY-92M-02

DTIC Accession Number

ADA248206

Comments

The author's Vita page is omitted.

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