Table 9 Validity Verification of response surface model.

From: Dynamic sealing simulation and performance optimization of conical rubber core in rotary blowout preventer

−

A/°

B/°

C/mm

V/(m/s)

σm(max)/MPa

σa/MPa

Initial structure

26

63

76

0.72

22.98

5.14

Optimal structure

27.7

68.2

82.1

0.72

19.34

3.09

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