Mechanical Response and Parametric Sensitivity Analyses of a Drainage Pipe under Multiphysical Coupling Conditions

Table 2

Sensitivity analysis of fluid-air models.

Model	VOF	Mixture	Eulerian
Test-σmax (MPa)	1.48000
FE-σmax (MPa)	1.56000	1.56156	1.56234
T (h)	5.50	8.13	6.46

Note. The FE-σ_max and t were obtained based on the basic parameters mentioned in Section 5.3, without considering groundwater.