Using the CFIE For Closed PEC Regions

When solving an enclosed perfectly conducting metallic region using the MLFMM, the CFIE can be used to improve the iterative solver convergence.

  1. Ensure the multilevel fast multipole method (MLFMM) solver is activated for the model.
  2. Select the faces of the enclosed volume in the in the 3D view or in the details tree.
  3. In the details tree, from the right-click context menu, select Properties.
  4. On the Modify Face dialog, click the Solution tab.
  5. From the Integral equation drop-down list, select Combined field1.
  6. Click OK to save the face properties and to close the dialog.
1 combined field integral equation (CFIE)