Nonlinear Dynamic Responses of Composite Rotor Blades

Abstract

Summarized are research activities related to Nonlinear Dynamic Response of Composite Rotor Blades. Fundamental to the analysis is the development of a continuum formulation that can accurately account for the effects of interlaminar shear and interlaminar normal stress variation thru-the-thickness of a laminate. Technical highlights of the research efforts to date are presented for each of the proposed tasks; namely, Nonlinear Displacement Formulation for Composite Media, Incorporate Damage Mechanisms into Dynamic Response Formulation and Correlation of Formulated Response Model with Experimental data. Keywords: Composite materials; Nonlinear dynamic response; Damage Mechanisms; Finite elements; Large displacement formulation; Interlaminar shear; Noraml stresses; Assumed displacement; Hybrid models.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1988
Accession Number
ADA200145

Entities

People

  • John J. Engblom
  • Ozden O. Ochoa

Organizations

  • Texas A&M University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Applied Mechanics
  • Composite Materials
  • Computational Science
  • Constitutive Equations
  • Dynamic Response
  • Experimental Data
  • Failure Mode And Effect Analysis
  • Finite Element Analysis
  • Geometry
  • Laminates
  • Materials
  • Materials Science
  • Materials Testing
  • Mechanics
  • Reinforced Plastics
  • Three Dimensional
  • Transient Response Analysis

Fields of Study

  • Engineering

Readers

  • Control Systems Engineering.
  • Structural Health Monitoring of Composite Structures.