Finite Element Analysis of Nonlinear Oscillations and Flutter of Shells of Revolution.

Abstract

In chapter I, a finite element methodology is described for analysis of steady nonlinear periodic oscillations of axisymmetric shells. The technique is a combination of asymptotic analysis and the finite element method and the results that it yields include the significant effect of nonlinear interaction between the waves that travel in opposite directions along the circumference. In chapter II, an extended numerical method is described which is applicable to shells rotating at a constant speed about their geometrical axes. In the final chapter, a general solution for the problem of nonlinear flutter of axisymmetric shells is presented. The method is expected to be useful for developing a numerical scheme for analyzing this class of problems. Originator-supplied keywords include: Nonlinear flutter.

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Document Details

Document Type
Technical Report
Publication Date
Apr 06, 1984
Accession Number
ADA149071

Entities

People

  • A. Maewal

Organizations

  • Yale University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Applied Mechanics
  • Computational Fluid Dynamics
  • Computational Science
  • Computations
  • Computers
  • Equations Of Motion
  • Finite Element Analysis
  • Fluid Dynamics
  • Geometry
  • Mechanics
  • Nonlinear Algebraic Equations
  • Resonant Frequency
  • Scientific Research
  • Standing Waves
  • Traveling Waves
  • Waves

Readers

  • Business Analytics
  • Control Systems Engineering.
  • Structural Dynamics.