A Viscoplastic Algorithm for CAP75.

Abstract

A viscoplastic formulation based on Perzyna's elastic/viscoplastic theory is developed for geological materials using the Sandler and Rubin CAP75 plasticity model. The numerical strategy employs a one parameter Crank-Nicolson time integration scheme which provides options for explicit and implicit algorithms. A computer program called VPDRVR exercises these algorithms for arbitrary states of stress or strain. (Author)

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1982
Accession Number
ADA114460

Entities

People

  • Mark A. Mulert
  • Michael G. Katona

Organizations

  • University of Notre Dame

Tags

Communities of Interest

  • C4I
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Bulk Modulus
  • Civil Engineering
  • Computer Programs
  • Computers
  • Differential Equations
  • Equations
  • Hardening
  • Mechanics
  • Modulus Of Elasticity
  • Plastic Flow
  • Plastic Properties
  • Shear Modulus
  • Steady State
  • Strain Hardening
  • Stress Strain Relations
  • Stresses
  • Triaxial Stresses

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Mechanical Engineering/Mechanics of Materials.