GIMC SIMAI Young 2026

Session

MS11.1 - Advances in Computational Plasticity, Damage and Fracture

5 Jun 2026, 11:15

Pisa

15. A low-cost computational framework to identify Chaboche model parameters from biaxial loading conditions

Lorenzo Romanelli (Department of Industrial Engineering, University of Trento)

05/06/2026, 11:15

MS11 - Advances in Computational Plasticity, Damage and Fracture

The Chaboche kinematic hardening model provides reliable description of the cyclic-plastic behaviour of metals. However, the identification of Chaboche constants is a challenging task, which generally requires high computational cost and advanced optimization methods such as genetic algorithms, particle swarm optimization and differential evolution algorithms. Instead of using complex...

31. Compression and three-point bending tests on polyethylene terephthalate tyre reinforcements

Emmanuel Denis Manoni (Department of Civil and Environmental Engineering, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy)

05/06/2026, 11:30

MS11 - Advances in Computational Plasticity, Damage and Fracture

Polyethylene terephthalate (PET) textile multi-ply yarns, or cords, are widely employed in the automotive industry as reinforcement in rubber-based tyres to carry a significant part of the loads and maintain the overall shape [1]. They are typically obtained by twisting together multiple yarns, i.e., twisted bundles of flat filaments with a certain number of twists per meter.
In [2], a...

56. Derivation of linear elasticity from energy functionals with infinitely many wells

Giuliano Lazzaroni (Università di Firenze)

05/06/2026, 11:45

MS11 - Advances in Computational Plasticity, Damage and Fracture

We discuss the derivation of a linear elastic model starting from a nonlinear energy functional with infinitely many wells. Since the ground states of the elastic energy are unbounded, even a sequence of deformations with very small energy may still display very large deformation gradients and converge to a deformation with jumps. This may be interpreted as formation of plastic slips. We avoid...

73. Remarks on Stability and Bifurcation in Irreversible Damage and Fracture

Andrés A Leon Baldelli (Institut ∂'Alembert CNRS/Sorbonne)

05/06/2026, 12:00

MS11 - Advances in Computational Plasticity, Damage and Fracture

Abstract
What grants a theory its predictive power?

The numerical simulation of fracture in brittle materials poses fundamental challenges due to the non-convex and irreversible nature of the underlying variational models. Evolution problems governed by energetic principles may admit multiple equilibria, making the computed fracture path strongly dependent on algorithmic choices and...

93. Interest of lattice rotation measurements around indentation to quantify slip-system interactions in FCC single crystal

Jalal Smiri (Université Marie et Louis Pasteur, CNRS)

05/06/2026, 12:15

MS11 - Advances in Computational Plasticity, Damage and Fracture

This study targets a new observable for the simultaneous identification of the plastic parameters governing hardening mechanisms in Face Centered Cubic (FCC) single crystals via inverse method. Specifically, the goal is to design nanoindentation experiments that will be carried out to identify the 10 hardening parameters, including 7 slip system interaction parameters, of a single crystal...