Analysis of a strain softening constitutive model

Research output: Contribution to journalArticle

Abstract

The paper first examines the question of uniqueness of a basic yet simplified constitutive model with strain softening. It is shown that the constitutive equations lead to a unique solution for the case of rate-dependent as well as rate-independent formulation and its implementation in finite element analysis shows mesh size insensitivity in the hardening and softening regimes. Conditions for formation of narrow shear bands are developed and discussed. It is shown that as the damage accumulates the material approaches localization of deformation.

Original languageEnglish (US)
Pages (from-to)795
Number of pages1
JournalMathematical and Computer Modelling
Volume10
Issue number10
StatePublished - 1988

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Strain Softening
Shear Bands
Insensitivity
Shear bands
Softening
Accumulate
Constitutive Model
Constitutive Equation
Constitutive equations
Hardening
Constitutive models
Unique Solution
Uniqueness
Damage
Mesh
Finite Element
Finite element method
Formulation
Dependent
Localization

ASJC Scopus subject areas

  • Modeling and Simulation
  • Computational Mathematics
  • Applied Mathematics
  • Control and Systems Engineering
  • Information Systems and Management
  • Computer Science (miscellaneous)

Cite this

Analysis of a strain softening constitutive model. / Frantziskonis, George N; Desai, C. S.

In: Mathematical and Computer Modelling, Vol. 10, No. 10, 1988, p. 795.

Research output: Contribution to journalArticle

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