Create and Import the Section

1. Choose File > New to create a project.
2. Choose File > Import Section > DXF and open case1-GroundModel.dxf from Case_1A_homogeneous_MC.
3. Set Import as to Meters and click OK.
4. In Navigation, expand Project > Cross-Sections > case1-GroundModel1 to reveal the Ophiolite layer.

Selecting Import Units Expand

Imported Homogeneous Section Expand

You can also open Case1A-starter.cbf to begin from the supplied starter project. Check the properties against the tables below before running it.

View and Navigate the Section

1. Click the South face of the view cube in the top-right corner of the Visualiser to align the view with the section.
2. Expand the small arrows in Navigation until the section and its layers are visible.
3. Select Ophiolite. Its material and bench settings appear in the right-hand Properties panel.

Selecting the Ophiolite Layer Expand

Define Bench and Material Properties

With Ophiolite selected, enter:

Property	Value
Bench height	12.19 m
Bench face angle	90°
Minimum berm width	6.938 m
Unit weight	29 kN/m³
Strength model	Mohr-Coulomb
Friction angle	31°
Cohesion	469 kPa

Bench and Mohr-Coulomb Properties Expand

Set the Slope Geometry

Select case1-GroundModel1 in Navigation, then enter:

Section Input	Value
Bench definition	Bench height
Target FoS	1.3
Slope Anchor > Prescribed point	Crest
Horizontal Crest Position	750 m
Failure Direction	Right to left
Target slope height	230 m

Prescribing the Crest Expand

Slope Direction and Height Expand

The crest is the fixed upper endpoint. Failure Direction is a separate setting that controls the slope orientation. Review the estimated minimum and maximum Overall Slope Angle (OSA) and confirm that the green search region stays inside the available ground.

Understand the Two Slope Heights

Target slope height is the requested overall height. Bench-compatible slope height uses a whole number of full-height benches without exceeding that target. For this case, retain the full-height bench arrangement shown in the reference result.

The following examples illustrate the difference; they do not replace the Case 1a inputs:

Illustrative Target Height	Bench Height	Arrangement	Resulting Height
330 m	15 m	22 full benches	330 m
330 m	20 m	16 full benches	320 m
330 m	20 m	Use target height: 16 full benches and a 10 m crest bench	330 m

Selecting Use target height allows a shorter crest bench to reach the target; the other benches keep their specified height. Use full benches returns to the full-height bench arrangement. In the second example, another full 20 m bench would give 340 m and exceed the target.

For guidance on choosing the height option, see Target and Bench-Compatible Slope Heights. Keep the Case 1a target at 230 m and retain the full-height bench arrangement when reproducing the workbook result. If Use full benches is shown, select it before running the simulation.

Save and Run the Simulation

1. Choose File > Save As and save the project as Case1A-final.cbf in the exercise folder. Use a separate working folder if you want to keep the supplied reference project for comparison.
2. Select the Simulation tab beside Visualiser, at the bottom of the main workspace, then select case1-GroundModel1.
3. Set Simulation results location to Automatic. A section simulation folder is created beside the saved .cbf project when the simulation starts.
4. Click Start. If Simulation Check lists an issue, use Fix to open the affected field, correct it, and select Check Again.
5. Once the check passes, click Start again. Review any later geometry or groundwater warnings and select your configured account if prompted. If the folder belongs to another account, cancel and choose a separate Custom folder to keep its existing results.
6. Monitor the Node status summary and use Fetch results to retrieve the output.

For more detail, see Running Simulations. If the analysis does not start, use Simulation Does Not Start.

Selecting the Section and Results Location Expand

Review the Results

The workbook’s example reports:

Result	Example Value
Target FoS	1.3
Achieved FoS	1.337
Target slope height	230 m
Bench-compatible slope height	219.419 m

Case 1a Example Result Expand

Check the achieved FoS against the target, the prescribed crest at 750 m, and the bench height and berm width against your inputs. The bench-compatible height is lower than the target because only full-height benches are used in this example.

The supplied Case1A-final.cbf is a reference for the completed model setup. Compare your inputs with it if your result differs, and check Help and Solutions for simulation or geometry issues.

Export and Reuse the Output

1. On the Simulation page, expand Output Tools.
2. Choose the required DXF export format, then click Export DXF.
3. To bring the optimised geometry back into the project, click Create project section from output.
4. Open Visualiser and find the new section in Navigation.

Export option	When to use it
Rocscience	Prepare a 2D DXF for Rocscience software. The orientation is converted to the required import plane and the closed external boundary is generated automatically.
Global	Keep the original global coordinates for comparison with the source model.
Local XZ	Align the section with the XZ plane, with a fixed Y coordinate.
Local XY	Flatten the section onto the XY plane, with a fixed Z coordinate.

Exporting the Optimised Profile Expand

Creating a Project Section from Output Expand

For a Rocscience RS2 workflow, follow Importing Output into Rocscience RS2 and check the imported boundary assignments.

To export optimised slope angles as a block model CSV, follow Exporting the Section Block Model.

Viewing the Output Section Expand