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

Table 1

Sensitivity analysis of the model mesh size.

Scheme	Scheme 1				Scheme 2				Scheme 3
Component	Soil	Pipe	Gasket	Fluid	Soil	Pipe	Gasket	Fluid	Soil	Pipe	Gasket	Fluid
Number (10^4)	4.44	3.35	0.12	1.95	4.76	3.52	0.13	2.12	5.02	3.72	0.14	2.33
Test-σmax (MPa)	1.48
FE-σmax (MPa)	1.56				1.60				1.65
T (h)	5.5				7.5				10

Note. Scheme 1 was conducted according to equation (2). The FE-σ_max and t were obtained based on the basic parameters mentioned in Section 5.3, without considering groundwater.