. Author manuscript; available in PMC: 2015 Oct 1.

Published in final edited form as: Comput Math Appl. 2014 Oct 1;68(7):719–745. doi: 10.1016/j.camwa.2014.07.022

Table 2.

Numerical errors and convergence orders for five-tetrahedron element results (Case 1a).

n_x × n_y × n_z	L_∞(u)	Order	L₂(u)	Order	L_∞(∇u)	Order	L₂(∇u)	Order
20 × 20 × 20	0.6117		8.549e-2		3.003		0.3737
40 × 40 × 40	0.2147	1.51	2.255e-2	1.92	1.552	0.95	0.1278	1.55
80 × 80 × 80	6.378e-2	1.75	6.409e-3	1.81	0.7960	0.96	4.391e-2	1.54
160×160 ×160	1.739e-2	1.87	1.644e-3	1.96	0.5151	0.63	1.494e-2	1.56