Computational Plasticity

Lecture, Ruhr University Bochum, 2026

Overview

This course offers an introduction into the concepts of plasticity and their implementation and application as non-linear constitutive models in the finite element analysis.

Learning outcomes

  • Basics of continuum mechanics and finite element methods
  • Phenomenology and atomistic origin of elastic and plastic deformation
  • Concepts of continuum plasticity, including yield criteria, flow rules, and isotropic and kinematic hardening
  • Rate-dependent and rate-independent formulations of continuum plasticity
  • Numerical solution schemes for elasto-plasticity, including operator split methods, return mapping, and consistent tangent moduli
  • Computational aspects of small- and large-strain formulations
  • Concepts of crystal plasticity, including dislocation slip, flow rules, hardening models, and consistent tangent moduli
  • Plasticity of polycrystals, including Sachs, Taylor, and self-consistent models
  • Numerical solution schemes for crystal plasticity
  • Structure, implementation, and application of an Abaqus UMAT