STEP 1. Start newFASANT.
STEP 2. Select File and click on New.
STEP 3. Select Periodical Structures.
STEP 4. Select Centimeters units.
STEP 5. Click on "Cell → FSS Primitive → Strips → Spiral", which requires the center, width, number of turns and the radius.
In this example the user enters the following values:
- Center position: 0 0 0
- Width: 0.05
- Number of turns: 2
- Radius: 0.9
STEP 6. Click on "Geometry → Point → Single point", which requires the x,y and z coordinates as shown in the next figure.
In this example the user enters the following values into the command line:
- Select point on screen [x y z]: 0 0 -1
STEP 7. Click on Cell → Define cell.
- Assign the material of the layer. The selected material is DiClad870_0020
Change the cell dimensions to ensure that the cell contains the whole metallic structure.
- Tx: 2
- Ty: 1.75
The final dessign of the cell is shown in the next figure.
STEP 8. Click on "Simulation → Parameters". Configure the simulation with this parameters:
- Units: GHz
- Initial frequency: 10
- Final frequency: 11
- Samples: 5
- Planewave Definition: Asymmetric. Note that the considered FSS cell is not symmetric, so the assymmetric option is selected to ensure that the two polarization are correctly simulated.
- Theta incidence: 0.0
- Phi incidence: 0.0
STEP 9. Before running the case, select "Meshing → Create Mesh".
Configure the meshing with this parameters:
- Planar surfaces: 40
- Curved surfaces: 40
- Mesh mode: Frequency, 11.0 GHz
- Processors: 2
Click on "Meshing → Visualize Existing Mesh" to visualize all the generated meshes.
STEP 10. Select "Calculate → Execute" and select the number of processors available.
STEP 11. When the simulation finishes we can visualizethe simulation results. Click on "Show Results → View Cuts By Frequency".
STEP 12. To view text file results, click on "Show Results → View Text Files".