Table 11 length sensitivity analysis results of cohesive element.

From: Study on micro crack propagation mechanism of ferrite–pearlite gas transmission pipeline steel with lamellar structure

Model size (μm)

ID

Coherent element size (μm)

Total number of elements

Maximum support reaction Fmax (μN)

Displacement at the maximum support reaction U (μm)

2.5 × 2.4

1

0.020

4924

518.456

0.025

2

0.010

7851

403.268

0.017

3

0.005

14,916

322.014

0.013

4

0.0025

31,143

338.264

0.012

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