Table 3.

Error in the inner pressure for different dilation levels with tube thickness T = 0.2. Higher dilation level is simulated by adding more fluid in the tube, as shown by the increase of U(r_i). The relative error ${\epsilon }_p=\frac{|P_{\text{numerical}}-P_{\text{analytic}}|}{P_{\text{analytic}}}$

Dilation level	U(ri)	Pnumerical	Panalytic	εp
Level 1	0.02827	159.7	161.24	9.57e-3
Level 2	0.07989	399.4	403.14	9.28e-3
Level 3	0.15658	652.7	663.85	1.68e-2
Level 4	0.23483	805.2	840.9	4.25e-2