Loading the Reference Simulation and Setting Up Scenes

For 2D Static Field projects, Simcenter Reduced Order Modeling requires images with fixed range. To satisfy this requirement, you adjust the relevant scene properties in the reference Simcenter STAR-CCM+ simulation.

In this tutorial, you are provided with a reference simulation and a predefined Design Manager project file.

To load the reference simulation:

  1. Launch Simcenter STAR-CCM+ and select File > Load....
  2. In the Load a File dialog:
    1. Click Browse....
    2. In the Open dialog, navigate to the designExploration folder of the downloaded tutorial files.
    3. Select airfoilOptimization_start.sim and click Open.
    4. In the Load a File dialog, click OK.

The reference simulation includes a mesh operation that is ready for execution. This operation generates a 2D polygonal mesh, refined around the airfoil flaps. Prism layers further refine the mesh near the airfoil surfaces.

To generate the mesh:

  1. Right click the Geometry > Operations > Automated Mesh (2D) node and select Execute.
To reduce the computation time for each simulation in the DOE study (80 simulations in total), the reference simulation includes predefined monitor-based stopping criteria. For post-processing, there are predefined scalar scenes for the Mach number and the pressure field.

As Simcenter Reduced Order Modeling only accepts 2D images with a fixed range of field values, you modify the predefined scenes to satisfy this requirement.

To obtain a more accurate reduced order model, you can zoom the scenes into the area with more interesting flow patterns.

  1. To adjust the scenes:
    1. Select the Scenes > MachNumberScalar node and set the following properties:
      Node Property Setting
      Scalar 1 > Scalar Field Auto Range Off
      Clip Off
      Min 0.0
      Max 0.2
      Attributes > View Projection Mode Parallel
      Focal Point [1,0,0]
      Position [1,0,1]
      View Up [0,1,0]
      Parallel Scale Parallel Scale 1.5
    2. Select the Scenes > PressureFieldScalar node and set the following properties:
      Node Property Setting
      Scalar 1 > Scalar Field Auto Range Off
      Clip Off
      Min -1000 Pa
      Max 1000 Pa
      Attributes > View Projection Mode Parallel
      Focal Point [1,0,0]
      Position [1,0,1]
      View Up [0,1,0]
      Parallel Scale Parallel Scale 1.5
      注For export to Simcenter Reduced Order Modeling, only one scalar displayer is allowed in each scalar scene.
  2. Save the simulation.