physics-equationAvailable
Gauss law
Declares the Gauss law equation for Piezoelectricity.
Reference contract
| Field | Value | Description |
|---|---|---|
| latex | \nabla\!\cdot\mathbf D=\rho_q | — |
| mathml | <math display="block"><mrow><mo>∇</mo><mo>·</mo><mi mathvariant="bold">D</mi><mo>=</mo><msub><mi>ρ</mi><mi>q</mi></msub></mrow></math> | — |
| section | governing-equation | — |
| entity_dimension | domain | — |
| differentiability | exact-ad | — |
Declares the Gauss law equation for Piezoelectricity.
The governing expression, entity dimension, enforcement, and differentiability metadata are preserved exactly where declared.