+
+# 2D Viscous layers
+
+# 3 edges of the 4 edges of face1
+edgeIds = geompy.SubShapeAllIDs( face1, geompy.ShapeType["EDGE"])[:-1]
+
+mesh = smesh.Mesh(face1,"VicsousLayers2D")
+mesh.Segment().NumberOfSegments( 5 )
+
+# viscous layers should be created on 1 edge, as we set 3 edges to ignore
+vlHyp = mesh.Triangle().ViscousLayers2D( 2, 3, 1.5, edgeIds, isEdgesToIgnore=True )
+
+mesh.Compute()
+
+# viscous layers should be created on 3 edges, as we pass isEdgesToIgnore=False
+vlHyp.SetEdges( edgeIds, False )
+
+mesh.Compute()