Fig. 13

The hydrodynamic impact pressure along the residential zones in Pettimudi debris flow (a) at t = 300 s the deposition pattern along zone-1 and zone-2, (b) the variation of pressure with time during flow-structure interaction in zone-1 and 2, (c) the variation pressure gradient during flow-structure interaction, (d) flow height in zone-2 at t = 300 s.