Hi, I’d like to perform an unsteady flow simulation in a river with lateral structure connected with a storage area but during the calculation process the solution solver failed. The exit message is as the follows:
Performing Unsteady Flow Simulation HEC-RAS 5.0.1 April 2016
**** ERROR: Solution Solver Failed ****
Unstable for Initial Iteration at 21SEP2008 2400
**** The Model Has One Or More Error(s) ****
Unsteady Flow Simulation Terminated
Writing Results to DSS
Error with program: RasDSSWriter64.exe Exit Code = 1
Sorry, how can I solve the problem?
Thanks
Luca