Depending upon how your model is setup, you should be able to get BOSS DAMBRK to handle your model. If you continue to run into difficulties, you can send me your BOSS DAMBRK model and I can see what might be causing the problems you are running into.
Sincerely,
Chris E. Maeder, M.S., P.E.
Senior Technical Engineer
chris.maeder@bossintl.com