Table 1 Mesh convergence check.

From: Nonlinear analysis of hollow reinforced high strength concrete beams with web openings and different types of stirrups under torsion

Study

Beam

Torsional capacity, kN.m

FEA

Mesh sizes, mm

30

50

90

Exp.

13

CBO

17.52

17.73

18.3

17.8

18

BHo

137.02

137.2

138.7

137.8

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