Calibration of GISSMO Material Parameters Using Linovis

by Sindre Hovden, Alois Ott - Light Metal Technologies Ranshofen, Center for Low-Emission Transport, Austrian Institute of Technology, Austria

TT26_06-Sindre_Hovden

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Categories: 2026 and simulations.

Calibrating GISSMO material parameters using Linovis enables rapid testing of small specimens across a wide range of stress states. By combining tailored specimen geometries with a Voce‑based hardening curve and a Hosford–Coulomb fracture model, the workflow builds a full damage surface for a work‑hardened 6082 aluminum sheet. While tension tests show good agreement with simulation, shear and compression responses reveal limitations caused by missing kinematic hardening and material anisotropy. The study highlights both the efficiency of Linovis for GISSMO calibration and the key improvements needed to achieve accurate predictions across all loading conditions.