Sandwich

This element can be used only for heat transfer problems.

Fictitious element with zero volume representing a thermal connection across the surface between two semi-loof elements $(\mathtt{ITE}=61)$.

; description of the connection element in the file name.i1 CN T -1 E IE IE$_1$ 1 IE$_2$ 1

$\mathtt{IE}$	connector element number
$\mathtt{IE}_1,\mathtt{IE}_2$	connected element numbers