From: Evaluation of POD based surrogate models of fields resulting from nonlinear FEM simulations
Variable | Minimum | Maximum | Unit | |
---|---|---|---|---|
Input | Yield stress offset (\(\sigma _{y}\) ) | 100 | 200 | MPa |
Strength coefficient (K) | 200 | 250 | MPa | |
Prior plastic strain (\(\varepsilon _0\)) | 0.01 | 0.1 | [–] | |
Hardening exponent (n) | 0.1 | 0.4 | [–] | |
Lankford coefficient (R) | 2/3 | 3/2 | [–] | |
Output | Equivalent plastic strain (\(\upvarepsilon _{p}^{eq}\)) | 0.0250 | 0.444 | [–] |
Engineering strain in y-direction (\(\upvarepsilon _{y}^{eng}\)) | \(-\) 0.1914 | 0.302 | [–] | |
Stress in x-direction (\(\upsigma _{xx}\)) | \(-\) 460 | 423 | MPa | |
Stress in y-direction (\(\upsigma _{yy}\)) | \(-\) 157 | 0.5 | MPa |