Table 3 Mesh independence verification.

From: Structural analysis and multi-objective optimization of sealing structure for cryogenic liquid hydrogen triple-offset butterfly valve

Grids NUMBER

Maximum stress value (MPa)

2,650,862

196.57

3,105,435

201.42

3,745,361

213.96

4,085,695

215.73

4,364,546

217.82

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