We are working on a good sized project in NJ using StormCAD and have run into a strange issue. This project has gone through a number of revisions over the last year. Each time we made a revision to the model, we created a new version using the "Save As" command in order to preserve the various iterations of the model. For some reason, the last two files created this way will not let us make any changes without running into a convergence error. If we simply open the file and run it without any changes, it will complete the simulation and produce a report without an issue. If we make any modifications and run the simulation, we get a convergence error in the report. It appears that something is preventing the software from acknowledging the change and somehow corrupts the model.
The earlier version of the file, date in Jan 2017, also has this problem. If you go back three versions, this problem does not exist.
This model has about 75 nodes and it would be very time consuming to recreate the latest version. Can some provide some feedback if this issue has happened before and provide some ideas on how to resolve it? If this cannot be resolved, can we export the data into a new file?
Thanks
For any user interested in this issue, the non-convergence was resolved by upgrading to a later version of StormCAD and changing the Maximum Network Traversals in the calculation options to 50. The following wiki link has information on the non-convergence issue: Message occurring after computing a StormCAD and SewerCAD model: Convergence was NOT achieved.
Regards,
Scott
Answer Verified By: Sushma Choure