Influence of Fluid on Seal and Assembly of Pipeline Fittings Based on the Multiscale Finite Element Model

Figure 8

Stress distribution of fittings under different ferrule displacements and the 21 MPa fluid pressure. (a) Seal state of fittings. (b) Stress distribution of pipeline surface. (c) Stress distribution of ferrule surface.

(a)

(b)

(c)