Adds the mfem disc-nurbs mesh

mfem/disc-nurbs.mesh

@@ -0,0 +1,110 @@
+MFEM NURBS mesh v1.0
+
+#
+# MFEM Geometry Types (see mesh/geom.hpp):
+#
+# SEGMENT     = 1
+# SQUARE      = 3
+# CUBE        = 5
+#
+
+dimension
+2
+
+elements
+5
+1 3 4 5 6 7
+1 3 0 1 5 4
+1 3 1 2 6 5
+1 3 3 7 6 2
+1 3 0 4 7 3
+
+boundary
+4
+1 1 0 1
+1 1 2 3
+1 1 1 2
+1 1 3 0
+
+edges
+12
+0 0 1
+0 4 5
+0 7 6
+0 3 2
+1 1 2
+1 5 6
+1 4 7
+1 0 3
+2 0 4
+2 1 5
+2 2 6
+2 3 7
+
+vertices
+8
+
+knotvectors
+3
+2 3 0 0 0 1 1 1
+2 3 0 0 0 1 1 1
+2 3 0 0 0 1 1 1
+
+weights
+1 1 1 1 1 1 1 1
+
+0.7071067811865475244
+1
+1
+0.7071067811865475244
+
+0.7071067811865475244
+1
+1
+0.7071067811865475244
+
+1
+1
+1
+1
+
+1
+0.8535533905932737622
+0.8535533905932737622
+0.8535533905932737622
+0.8535533905932737622
+
+FiniteElementSpace
+FiniteElementCollection: NURBS2
+VDim: 2
+Ordering: 1
+
+-2 -2
+2 -2
+2 2
+-2 2
+-1 -1
+1 -1
+1 1
+-1 1
+
+0 -4
+0 -1
+0 1
+0 4
+
+4 0
+1 0
+-1 0
+-4 0
+
+-1.5 -1.5
+1.5 -1.5
+1.5 1.5
+-1.5 1.5
+
+0 0
+0 -2.5
+2.5 0
+0 2.5
+-2.5 0