!"#$% '$#()*+",-./0$# +*$'/*+1$ 2$*3"#0 4"'
'$/%-*+2$ 0+2(%/*+", /,#
'$5$/*$# /,/%60$0 "4 2/*3$2/*+)/% 2"#$%0
!"#$% '()*+"), (%- '.()+"* /().(0
10(%23)- 4%$#")5$06
7"8()09"%0 32 :")3%(;0$<5 = :50)3%(;0$<5
7+,$/' 8%9$.'/ /,# :5*+2+;/*+", <$2+,/'
<*/,4"'#= >8
:)*".$' ?@= ?ABA
20 40 60 80 100 120
10
−2
10
−1
10
0
Iterations
Relative Residual
PCG
Adaptive ROM POD-aug CG
PCG