DEAL::.... Q1 Mapping ....
-cells dofs area error
+cells dofs area error
1 8 2.00000000 3.6338e-01 -
4 18 2.82842712 9.9684e-02 1.87
16 50 3.06146746 2.5505e-02 1.97
256 578 3.13654849 1.6056e-03 2.00
DEAL::
DEAL::.... Q2 Mapping ....
-cells dofs area error
+cells dofs area error
1 18 3.10456950 1.1785e-02 -
4 50 3.13914757 7.7829e-04 3.92
16 162 3.14143772 4.9318e-05 3.98
256 2178 3.14159205 1.9348e-07 4.00
DEAL::
DEAL::.... Q3 Mapping ....
-cells dofs area error
+cells dofs area error
1 32 3.14653903 1.5745e-03 -
4 98 3.14194613 1.1251e-04 3.81
16 338 3.14161547 7.2623e-06 3.95
256 4802 3.14159274 2.8653e-08 4.00
DEAL::
DEAL::.... Q4 Mapping ....
-cells dofs area error
+cells dofs area error
1 50 3.14181857 7.1913e-05 -
4 162 3.14159639 1.1900e-06 5.92
16 578 3.14159271 1.8860e-08 5.98