Study, Unidirectional
Now, define Boundary Mode Analysis study steps for all four port, in preparation for solving the propagation problem.
Step 1: Boundary Mode Analysis
1
In the Model Builder under Study, Unidirectional , click Step 1: Boundary Mode Analysis .
2
Go to the Settings window for Boundary Mode Analysis, locate the Study Settings section and enter 1 in the Desired number of modes text field.
3
In the Search for modes around the shift text field, enter the largest effective mode index, 3.4716716168825985. You can select the value in your text editor and then copy and paste it here. The last figures could be different from what is written here.
Step 3: Boundary Mode Analysis 1
1
Right-click Step 1: Boundary Mode Analysis and choose Duplicate .
2
In the Settings window for Boundary Mode Analysis, locate the Study Settings section. In the Search for modes around shift text field, enter (or copy and paste) 3.4714217938091716. This should be the third largest effective index. The last figures could be different from what is written here.
3
Enter 2 in the Port name text field.
Step 4: Boundary Mode Analysis 2
1
Select the two boundary mode analyses, Step 1: Boundary Mode Analysis and Step 3: Boundary Mode Analysis 3 .
2
In the Model Builder right-click Step 1: Boundary Mode Analysis and choose Duplicate .
3
For the node Step 4: Boundary Mode Analysis 2 , go to the Settings window for Boundary Mode Analysis, locate the Study Settings section and enter 3 in the Port name text field.
Step 5: Boundary Mode Analysis 3
1
In the Model Builder under Study, Unidirectional , click Step 5: Boundary Mode Analysis 3 .
2
Go to the Settings window for Boundary Mode Analysis, locate the Study Settings section and enter 4 in the Port name text field.
Step 2: Frequency Domain
1
In the Model Builder under Study, Unidirectional , click Step 2: Frequency Domain .
2
Go to the Settings window for Frequency Domain, locate the Study Settings section and enter f0 in the Frequencies text field.
3
Finally, move Step2: Frequency Domain to be the last study step, by right-clicking Step 2: Frequency Domain and choose Move Down (three times) or by dragging Step2: Frequency Domain to the last study step. After the move, the study sequence should look like this sequence:
4
Right-click Study, Unidirectional and choose Compute .