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

Table 4

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	0.406	2.2348𝐸−1	8.9420𝐸−3	—	—
24	4.578	1.1458𝐸−1	2.8981𝐸−3	1.0353	1.6255
36	8.5	7.4890𝐸−2	1.8494𝐸−3	1.0488	1.1078
48	16.328	5.5377𝐸−2	1.3620𝐸−3	1.0493	1.0635
60	27.39	4.3894𝐸−2	1.0468𝐸−3	1.0414	1.1797