| Product(s): | HAMMER |
| Version(s): | 10.04.00.108 |
| Area: | Calculations |
Problem
When attempting to compute a transient simulation in HAMMER, the program crashes with the standard Bentley crash dialog and the following details are seen when clicking the details button:
Haestad.Support.NumericalMethods.NumericalMethodsException: Error in routine InterpolateY
...
Solution
This has been known to occur when certain invalid pump efficiency curves are used. Check the Efficiency tab of all pump definitions used by active pumps in the model (Components > Pump Definitions) and ensure that they are properly configured.
For example in at least one case this issue was caused by a value of zero flow for all rows in the multiple point efficiency table:
This issue has been reported to Development (reference # 1077889) and should be resolved in a future version, so that a more helpful user notification is shown instead.