FIX: Correct unit for h-field in set_non_linear() for bh curve definition (#6156)

Co-authored-by: pyansys-ci-bot <[email protected]>

Author: jvela018

doc/changelog.d/6156.fixed.md

@@ -0,0 +1 @@
+Correct unit for h-field in set_non_linear() for bh curve definition

src/ansys/aedt/core/modules/material.py

@@ -965,7 +965,7 @@ def set_non_linear(self, x_unit=None, y_unit=None):
         if self.name == "permeability":
             if not y_unit:
                 y_unit = "tesla"
-            if not y_unit:
+            if not x_unit:
                 x_unit = "A_per_meter"
             self.bunit = y_unit
             self.hunit = x_unit

tests/system/general/test_03_Materials.py

@@ -289,6 +289,7 @@ def test_09_non_linear_materials(self, add_app):
         assert app.materials["myMat"].conductivity.type == "nonlinear"
         assert app.materials["myMat"].permittivity.type == "nonlinear"
         assert app.materials["myMat"].permeability.bunit == "tesla"
+        assert app.materials["myMat"].permeability.hunit == "A_per_meter"
         mat2 = app.materials.add_material("myMat2")
         assert not mat2.is_used
         assert app.modeler.create_box([0, 0, 0], [10, 10, 10], material="myMat2")