Numerical Study on Several Stabilized Finite Element Methods for the Steady Incompressible Flow Problem with Damping

Table 7

Results got from the local Gauss integration method with 𝜈=1.0𝑒−4, 𝛼=1.0𝑒−4, and 𝑟=3.

1/ℎ	CPU-time	‖𝑢−𝑢ℎ‖1/‖𝑢‖1	‖𝑝−𝑝ℎ‖0/‖𝑝‖0	𝑢𝐻^1-rate	𝑝𝐿2-rate
12	0.219	1.78153𝐸−1	2.01165𝐸−2	—	—
24	3.109	7.64659𝐸−1	4.97672𝐸−3	1.22023	2.01511
36	5.437	4.78738𝐸−1	2.20800𝐸−3	1.15491	2.00432
48	9.578	3.40798𝐸−1	1.24253𝐸−3	1.18138	1.99853
60	16.062	2.58872𝐸−1	7.96681𝐸−4	1.23219	1.99177