curvature-output recorder

[khatibi_m]

Dear

I see the examples manual for curvature-output recorders. but I can't find curvature-output recorders.
How can I obtain curvature-output recorder?

[silvia]

curvature is the rotational dof of a section deformation

[jovillarroelb]

silvia wrote:
> curvature is the rotational dof of a section deformation

Silvia, could you give please an example of the recorder?

Thanks!