Table 6.

Critical responses with the different thickness of U-rib at the high temperature.

Thickness of U-rib (mm)	${\text{U}}_{\mathit{MST}}$ (mm)	${\epsilon }_{\mathit{MST}}$ (10−6)	${\epsilon }_{\mathit{MSB}}$ (10−6)	${\epsilon }_{\mathit{MGB}}$ (10−6)
6	− 0.796➀	600.545	193.559	205.181
8	− 0.692	675.144	231.310	204.993
10	− 0.626	718.416	251.410	204.095
12	− 0.580➁	744.542	262.164	202.801
Ratio ((➁ − ➀)/➀ × 100%)	− 27.19%	23.98%	35.44%	− 1.16%