Picard -EPCG

Newton-EPCG

Overall iterations

Outer iterations

Overall iterations

Outer iterations

δl

r = 1

r = 2

r = 4

r = 1

r = 2

r = 4

B.C.

U ≡ 0.0

20

103

96

>150

6

85

94

161

6

40

75

70

64

6

68

54

55

6

60

71

53

57

6

65

49

49

6

B.C.

U ≡ 10.0

20

*

*

*

-

138

127

131

6

40

*

*

*

-

115

112

92

6

60

*

*

*

-

114

85

84

6