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

Table 8

Uniform meshes for 𝜈=1.0,𝜆=1.0,𝑟₁=3.5, and 𝑟₂=9.1.

𝑁	𝑒0(𝑝)	𝑒1(𝑢)	𝑒1(𝑇)	err	𝜂	Eff	CPU
288	0.970876	5.40546	5.24747	7.59589	8.74174	1.15085	1.641
512	0.663034	3.11391	2.97829	4.35961	9.4165	2.15994	2.875
1152	0.329059	1.10894	1.00909	1.53502	7.4726	4.86808	6.641
2048	0.169734	0.609773	0.548335	0.837439	5.6408	6.73578	11.797
4608	0.0672255	0.313963	0.289187	0.432113	3.72585	8.62239	28.218
8192	0.0364009	0.189996	0.176725	0.262021	2.79027	10.649	51.594
10368	0.0284943	0.153168	0.142818	0.211351	2.48038	11.7358	70.953
11858	0.0248071	0.1352	0.126205	0.186607	2.31957	12.4302	82.297
12800	0.0229315	0.12586	0.117553	0.173739	2.23276	12.8512	86.297