A Computational Model for Contact Stress Problems.

Abstract

A mixed finite element model based on the incremental, updated Lagrangian, nonlinear description of continua is developed using a mixed virtual work statement, and its application to planar elastic contact problems is discussed. The computational model is evaluated by comparing the numerical results with those obtained by a displacement finite element model. The mixed model, which contains displacements and stresses as nodal degrees of freedom, yields accurate stresses while the displacements are no better than those of the displacements finite element model. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1986
Accession Number
ADA164190

Entities

People

  • Junuthula N. Reddy
  • P. R. Heyliger

Organizations

  • Virginia Tech

Tags

Communities of Interest

  • Air Platforms
  • C4I

DTIC Thesaurus Topics

  • Boundary Value Problems
  • Cantilever Beams
  • Computational Fluid Dynamics
  • Computational Science
  • Constitutive Equations
  • Differential Equations
  • Elastic Properties
  • Engineering
  • Equations
  • Finite Element Analysis
  • Fluid Mechanics
  • Mechanics
  • Modulus Of Elasticity
  • Nonlinear Analysis
  • Stresses
  • Two Dimensional
  • Variational Principles

Fields of Study

  • Engineering

Readers

  • Computational Fluid Dynamics (CFD)
  • Structural Health Monitoring of Composite Structures.