PSI - Issue 28

7

Christos F. Markides et al. / Procedia Structural Integrity 28 (2020) 710–719 Christos F. Markides and Stavros K. Kourkoulis / Structural Integrity Procedia 0 (2019) 000–000

716

P frame =20kN

0.05

Parabolic pressure

Uniform

R

Θ =75 o

0.04

σ θ

Flattened

Uniform

0.03

R

σ r

0.9 R sin Θ

y axis[m]

0.02

P frame =20kN

P=const.

0.01

0.9 R sin Θ

Θ =75 o

-125 -100 -75 -50 25 0 -25 0.00

Flattened

Stresses [MPa]

(a)

0.05

0.04

0.03

0.02 Distance from O along radius Oz 1 [m]

-45 -36 -27 -18 -9 0 9 Stresses [MPa]

0.01

0.00

(b) Fig. 5. The stress field along (a) the loaded radius and (b) along the radius towards the end point of the flat edge, for the FBD and the uniform BD.