Piezoelectric stress law

Understand the Piezoelectric stress law relationship used by Piezoelectricity.

Where to find it

Piezoelectricity → equations

How to use it

Compare the terms, signs and units with your intended physical assumptions before choosing model inputs.

Result

Equation: \boldsymbol{\sigma}=\mathsf C^E:\boldsymbol{\varepsilon}-\mathsf e^{\mathsf T}\mathbf E.

Troubleshooting

The equation describes the model assumptions; it is not a separate editable boundary condition. Check the parent physics page for setup and limitations.