A High-Order Mixture Model for Periodic Particulate Composites.

Abstract

A deterministic mixture theory is presented for periodic particulate composites. The model is constructed by introducing convenient microdisplacment and microstress variables and by using a regular asymptotic technique with multiple scales. Governing equations and appropriate bounary conditions are then deduced from Ressiner's mixed variational principle (1950). In order to test the accuracy of the present model, harmonic wave propagation is examined and compared with available experimental data for Glass/Epoxy and Steel/PMMA composites reported by Kinra and Ker (1983). Also, the effective elastic moduli are computed, and the results compared with other analytical methods. Keywords: Wave dispersion.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1985
Accession Number
ADA164389

Entities

People

  • A. Toledano
  • H. Murakami

Organizations

  • University of California, San Diego

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Boundary Value Problems
  • Composite Materials
  • Constitutive Equations
  • Elastic Properties
  • Equations
  • Experimental Data
  • Frequency
  • Materials
  • Mechanics
  • Modulus Of Elasticity
  • Particulates
  • Phase Velocity
  • Physical Properties
  • Shear Properties
  • Variational Principles
  • Wave Phenomena
  • Wave Propagation

Readers

  • Calculus or Mathematical Analysis
  • Computational Modeling and Simulation
  • Reinforced Composite Materials