Stress Fields in Composite Laminates.

Abstract

A new theory is proposed to define the complete stress field within an arbitrary composite laminate. The theory is based upon and extension of Reissner's variational principle to laminated bodies. Weaknesses in previous laminate theories are discussed and it is demonstrated how these are overcome in the present formulation. Comparison with existing numerical elasticity solutions for a class of boundary value problems in which steep stress gradients are present shows extremely close agreement. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1977
Accession Number
ADA048565

Entities

People

  • N. J. Pagano

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Air Force
  • Boundary Value Problems
  • Composite Materials
  • Differential Equations
  • Elastic Properties
  • Elastic Waves
  • Engineering
  • Equations
  • Government Procurement
  • Governments
  • Laminates
  • Materials
  • Materials Laboratories
  • Mechanics
  • Stress Analysis
  • Variational Equations
  • Variational Principles

Readers

  • Calculus or Mathematical Analysis
  • Structural Health Monitoring of Composite Structures.