Acceleration of Gas Reservoir Simulation Using Proper Orthogonal Decomposition

Table 3

Computational time using top 7top 40 modes.

POD modes	Top 7	Top 10	Top 20	Top 30	Top 40
CPU time of POD	15 s	23 s	85 s	246 s	420 s
	37	24	6.6	2.2	1.3

Note. The computational time of FDM is 560 s.