Welcome to CivilGEO Knowledge Base
Welcome to CivilGEO Knowledge Base
Welcome to CivilGEO Knowledge Base
Welcome to CivilGEO Knowledge Base
When all geometric data and flow data are entered in the model, the user can perform the hydraulic calculations. In GeoHECRAS, the Compute Steady – Current Scenario command allows the user to perform an analysis of the current scenario (plan) for steady flow models.
This command also allows the user to select specific profiles to analyze, rather than analyzing all of the defined profiles. For example, the steady flow model contains the 2-Year, 5-Year, 10-Year, 25-Year, 50-Year, and 100-Year profiles. The user can select any profile(s) to analyze from the list of available profiles.
Follow the steps below to use the Compute Steady – Current Scenario command for steady flow analysis:
The following sections describe how to use the Compute Steady – Current Scenario command and interact with the above dialog box.
This section allows the user to define the scenario data to be used in the steady flow simulation.
The following parameters are provided in the Scenario Data section:
This section allows the user to define the flow regime to be computed by the HEC-RAS steady flow analysis engine. In addition, the computational log file can be created from this section.
The following options are provided in the Computational Options section:
This section allows the user to select the profile to be analyzed.
This section has a table that lists all profiles defined in the project. The user can select the desired profile by checking the checkboxes available in the Perform Analysis column corresponding to each profile name available in the Profile Name column to display the output result. By default, all profiles are selected.
The user can click the [Select All] button to analyze all selected profiles listed in the table.
The user can click the [Clear All] button to cancel all the profiles selected in the table and redo the entire process.
When all the options have been properly defined, click the [Compute] button. This will cause HEC‑RAS to perform the analysis for the current scenario. Note that the Compute Steady – Current Scenario dialog box will be closed on clicking the [Compute] button.
If a problem is detected in the model data or analysis, the software will display a dialog box detailing the issue and will stop the process. Otherwise, the HEC-RAS Finished Computations dialog box will be displayed once the computations are finished. Click the [Close] button to close the dialog box.
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