<math>\frac{\partial T}{\partial n} = 0 </math>
An adiabatic surface represents a perfectly insulated surface.
At the interface between the surface of a solid object and air, the convective boundary condition must be enforced:
<math>-k \frac{\partial T}{\partial n} = -h\letf(T(\mathbf{r})-T_{amb} \right) </math>
== Electrostatics Analysis==