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Piezoelectric stress law
Understand the `Piezoelectric stress law` governing equation when choosing an objective optimization for Piezoelectricity.
This relationship describes part of the physical problem being optimized:
\boldsymbol{\sigma}=\mathsf C^E:\boldsymbol{\varepsilon}-\mathsf e^{\mathsf T}\mathbf E
Check the variables, signs and units against your intended model. The objective and constraints must use quantities available in the selected study; this equation page does not create a separate editable model feature.