Are you doing this in Mechanical with command objects or are you instead using MAPDL solver directly? For the circuit elements you will need to explicitly define the nodes for use in their connectivity/definition.
Let's say you have a command object under the solution branch in Mechanical.
returns the highest node number in your model. You can then define nodes, e.g.,
and new element types...
et,etmax+1,94,0 ! RESISTOR
r,etmax+1,1000 ! RESISTANCE
type,etmax+1 $real,etmax+1 $e,nmax+1,nmax+2
to connect the elements to a face of a finite element mesh, use nodal coupling to force the face nodes to have a single VOLT DOF. for example, to connect CIRCU94 element node nmax+1 to face named "piezo_electrode", try:
I hope this helps,
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