Table 1.
Parameters of the tissue, fluid bolus and peristaltic wave used in the model
| Tissue | Muscle | Mucosa-submucosa | ||||||||
| Geo. | Bonded no-load state | True zero-stress state | Bonded no-load state | True zero-stress state | ||||||
| ri (mm) | r0 (mm) | Ri (mm) | R0 (mm) | θ (o) | ri (mm) | r0 (mm) | Ri (mm) | R0 (mm) | θ (o) | |
| 6.49 | 8.28 | 6.49 | 8.49 | 79.4 | 4.12 | 6.49 | 15.7 | 17.7 | 33.9 | |
| Mat. | μel (Pa) | κ1 (Pa) | κ2 | α (o) | λ0 | μel (Pa) | κ1 (Pa) | κ2 | α (o) | λ0 |
| 3752 | 23997 | 17.9 | 45 | 1.11 | 1010 | 9012 | 50.7 | 50.7 | 1.33 | |
| Fluid | μ = 0.2 Pa.s; ρ = 0.7 kg/m3; Cν = 7.2E5 Pa.s/kg | |||||||||
| Wave | νr = 0.5 mm/s; νι = 0.9 cm/s | |||||||||