Target stress in the principal direction k as the product of the activation factor and the target stress curve.
|
αk |
Activation factor of the principal direction k |
|
εk |
Principal strain in the direction k |
|
σtarget,k |
Target stress in the principal direction k |
|
σ̂(ε) |
Target voltage curve, according to Quast or modified Quast; see the respective section |