Opened 9 years ago
Closed 8 years ago
#4817 closed defect (fixed)
DAES generated by the NF do not pass the initialization phase
| Reported by: | Francesco Casella | Owned by: | Lennart Ochel |
|---|---|---|---|
| Priority: | high | Milestone: | 2.0.0 |
| Component: | New Instantiation | Version: | |
| Keywords: | Cc: | Per Östlund |
Description
Please check Modelica.Electrical.Digital.Examples.DFFREG. When the NF is used to flatten the model, the following error is reported after matching and sorting:
Error: No system for the symbolic initialization was generated
This issue affects many other models in the MSL.
Change History (3)
comment:1 by , 9 years ago
| Owner: | changed from to |
|---|---|
| Status: | new → assigned |
| Summary: | DAES generated by the NF do not allow symbolic jacobian generation → DAES generated by the NF do not pass the initialization phase |
comment:2 by , 8 years ago
The model now seems to be overdetermined instead. I'm not sure if that's an improvement or not.
comment:3 by , 8 years ago
| Resolution: | → fixed |
|---|---|
| Status: | assigned → closed |
Me neither. I would wait to worry about overdetermined systems until you have managed this problem that was already reported elsewhere.
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It's not symbolic Jacobian, it's something in the creation of the initialization problem.