A Large Deformation Elastic-Viscoplastic Analysis of a Thick Walled Spherical Shell,

Abstract

A large deformation elastic-viscoplastic theory is formulated which considers both elastic and inelastic deformations to be present at all stages of loading and unloading. The theory does not require the assumption of a yield criterion or the prior determination of whether the material is loading or unloading. The theory is based on relating the essential parameters to state variables; the particular constitutive relations are motivated by the equations of dislocation dynamics. A numerical scheme for calculating deformations is developed and applied to a thick walled spherical shell under internal pressure. Various numerical examples are presented. (Author)

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1970
Accession Number
AD0722867

Entities

People

  • S. R. Bodner
  • Y. Partom

Organizations

  • Technion – Israel Institute of Technology

Tags

DTIC Thesaurus Topics

  • Diseases And Disorders
  • Dislocations
  • Dynamics
  • Equations
  • Internal Pressure
  • Loading (Handling)
  • Materials
  • Unloading

Fields of Study

  • Engineering

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Structural Dynamics.