COMPLAS COURSE 2023

Programme Overview

Day 1, Sunday, September 3rd, 2023
  • 13:30 - 14:15 Registration
  • 14:15 - 14:30 Introduction, M. Chiumenti and D. Peric
  • 14:30 - 16:30 Computational plasticity - Basic principles and theory, D. Peric
    • • Introduction to elasto-plasticity and viscoplasticity
    • • The basic approach to incremental solution - consistent linearisation
    • • Finite element modelling
  • 16:30 - 17:00 Coffee
  • 17.00 - 18.45 Elasto-plasticity/viscoplasticity with finite strains, D. Peric and E.A. de Souza Neto
    • • Fundamentals
    • • Constitutive modelling - Hyperelastic & plasticity relations
    • • Operator split methodology for numerical integration of the constitutive model
Day 2, Monday, September 4th, 2023
  • 08:30 - 10:30 Further issues in plasticity modelling, E.A. de Souza Neto
    • • Treatment of singular and other yield surfaces
    • • Mesh adaptivity procedures
    • • Introduction to multi-scale models
  • 10:30 - 11:00 Coffee
  • 11.00 - 12.00 Finite Element Technology for isochoric problems, M. Chiumenti and H. Venghaus
    • • Introduction and general concepts
    • • B-bar and Q1P0 FE formulations
    • • Mixed P1P1 formulations
    • • Applications to incompressible elasticity and isochoric plastic flow
  • 12:00 - 13:00 Mixed FE formulations and strain localization, M. Cervera and G. Barbat
    • • Mixed Displacement/Pressure and Displacement/Stress
    • • Strain localization and mesh objectivity
    • • Size effect
    • • Numerical examples
  • 13.00 - 14:30 Lunch
  • 14:30 - 15:30 Coupled thermomechanical problems, M. Chiumenti and C. Agelet de Saracibar
    • • Fundamentals formulation
    • • Finite element formulation
    • • Applications to metal forming problems
  • 15:30 - 16:30 Rigid visco-plastic plasticity: applications to FSW problems, N. Dialami and M. Chiumenti
    • • Rigid-viscoplastic constitutive modeling
    • • Eulerian and ALE kinematic frameworks
    • • Formulation of thermo-mechanical frictional contact
    • • Application to the numerical simulation of FSW processes
  • 16:30 - 17:00 Coffee
  • 17:00 - 18:45 Transient problems, E.Oñate
    • • Explicit finite element analysis for solids and shells
    • • Coupled particle-based and finite element methods
    • • Fluid-structure interaction (FSI) analysis
    • • Applications: industrial forming problems, impact problems, blast analysis, excavation and drilling problems, FSI problems, etc.
  • 18:45 – 19:00 Course closure
  • 19.00 Course Reception