title Ell domain $ point definitions point 1 0.0 0.0 point 2 2.0 0.0 point 3 2.0 1.0 point 4 1.0 1.0 point 5 1.0 2.0 point 6 0.0 2.0 $ line definitions line 1 str 1 2 0 10 1.0 line 2 str 2 3 0 5 1.0 line 3 str 3 4 0 10 1.0 line 4 str 4 1 0 5 1.0 line 5 str 4 5 0 7 1.0 line 6 str 5 6 0 5 1.0 line 7 str 6 1 0 7 1.0 $ region definitions $ r mat lines -4 -5 -6 -7 region 1 10 -1 -2 -3 -4 region 2 20 -4 -5 -6 -7 $ sideset definitions $ id lines sidebc 100 1 2 3 sidebc 200 5 6 7 $ nodeset definitions $ id lines linebc 100 1 linebc 200 2 3 5 linebc 300 6 linebc 400 7