Mesh, Bidirectional
1
In the Mesh toolbar, click Add Mesh .
2
In the Settings window for Mesh, type Mesh, Bidirectional in the Label text field.
3
In the Physics-Controlled Mesh section, clear the Use checkbox for Electromagnetic Waves, Beam Envelopes, Unidirectional.
4
Locate the Electromagnetic Waves, Beam Envelopes, Bidirectional section. In the NL text field, type 5, as shown above.
5
In the settings for the Mesh node, click the Build All button .