How to find a constraint equation by number?
Premise:
I have a model that I am trying to extract modal neutural files (.mnf files) from, to be used in ADAMS. The model is very large and complex and have been through the joints/constraints eliminating the nonlinear ones. I have a modal module that solves without any errors and i get modal results.
Problem:
When the APDL command (to extract mnf file) is added, I get the following error without successful executio of the APDL command:
*** WARNING *** CP = 18.672 TIME= 12:08:35
Overconstraint may occur for Lagrange multiplier or MPC based contact
algorithm.
*** WARNING *** CP = 18.672 TIME= 12:08:35
Certain contact elements (for example 805484 & 805796) overlap with
other.
*** WARNING *** CP = 18.672 TIME= 12:08:35
Certain contact pairs (for example 509 & 493) overlap with other.
*** FATAL *** CP = 27.875 TIME= 12:08:41
The dependent term of internal constraint equation 60093 could not be
identified. It is likely that either a displacement boundary
condition has been applied directly onto a constraint equation or two
or more constraint equations share too many degrees of freedom.
I have used the APDL command before on other models and different setups and it does work.
Would like to find the constraint equation by number and see the participating components via python.
Any help in this regard is highly appreciated greatly.