Table 2 Material data published by [13] for DC04 steel including elasticity parameters and isotropic hardening parameters for the Hockett–Sherby material model
From: A non-invasive node-based form finding approach with discretization-independent target configuration
Elastic parameters | ||
Young’s modulus | E \( =\) 210,000 | [MPa] |
Poisson’s ratio | \(\nu \) \( =\) 0.3 | [–] |
Parameters for the Hockett–Sherby hardening function | ||
\( \sigma (\epsilon _\mathrm{{p}}) = \sigma _\infty + [\sigma _0 - \sigma _\infty ] \mathrm{exp} \big ( a \, {\epsilon _\mathrm{p}}^ b \big ) \) | ||
Initial yield stress | \(\sigma _0 \) \( =\) 185.2 | [MPa] |
Infinite yield stress | \(\sigma _\infty \) \( =\) 577.1 | [MPa] |
Hardening parameters | a \( =\) \(-\,2.1771\) | [–] |
b \( =\) 0.6667 | [–] | |