Table 2 Relationship between K value and cosθ value.

From: Study of the mechanical compression properties of Rosa sterilis S.D. Shi based on FEM

θ

90

85

80

75

70

65

60

55

50

cosθ

0.0000

0.08872

0.1736

0.2588

0.3420

0.4226

0.5000

0.5736

0.6428

K

1.351

1.349

1.342

1.331

1.341

1.293

1.267

1.235

1.198