An Adaptive Finite Element Method for Stationary Incompressible Thermal Flow Based on Projection Error Estimation

Table 7

A successive sequence of adapted meshes based on a residual error estimation for 𝜈=1.0,𝜆=1.0,𝑟₁=8.5,𝑟₂=0.1.

𝑁	𝑒0(𝑝)	𝑒1(𝑢)	𝑒1(𝑇)	err	𝜂	Eff	CPU
238	0.651433	6.32201	6.31274	8.95784	74.4933	8.316	1.609
286	0.167818	0.608207	0.594685	0.867023	8.75867	10.102	1.672
669	0.0785628	0.279946	0.274727	0.400021	4.11085	10.2766	3.89
1212	0.0425637	0.238712	0.237269	0.339252	3.31492	9.77129	7.156
2309	0.041893	0.14484	0.138815	0.204947	2.12799	10.3831	13.672
2962	0.0186839	0.0952816	0.0945824	0.135549	1.34394	9.91483	17.984
5533	0.0194194	0.0628666	0.0620324	0.0904286	0.891394	9.85743	33.891
7468	0.00787077	0.045213	0.0443621	0.0638291	0.618652	9.69232	46.922
12045	0.00932973	0.0325655	0.0319025	0.0465331	0.450524	9.68181	77.109
15180	0.00419643	0.022182	0.0221098	0.0315989	0.306211	9.69056	99.094