Unsteady Flow HEC-RAS Model Troubleshooting

Chapter 5 Computational Options Issues

Computational Options Issues

1.

convergence accuracy of the model—especially when the model has lateral weirs and storage

areas.

2.

3. Do not use the “Convert Bridges to Lids” option. This option often causes model instability

4.

models, slightly increasing these values might help in getting the model to stabilize. The