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Table 10 Control points and weights for a disk of radius 0.5

From: Upper bound limit analysis of plates using a rotation-free isogeometric approach

i 1 2 3 4 5 6 7 8 9
x i 2 /4 2 /2 2 /4 0 0 0 2 /4 2 /2 2 /4
y i 2 /4 0 2 /4 2 /2 0 2 /2 2 /4 0 2 /4
w i 1 2 /2 1 2 /2 1 2 /2 1 2 /2 1