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Head-on collision between two hydroelastic solitary waves in shallow water. (English) Zbl 1394.35346

A comprehensive theoretical study on the head-on collision between two solitary waves in a thin elastic plate floating on an inviscid fluid of finite depth is investigated analytically by means of a singular perturbation method. The effects of plate compression are also taken into account. It is found that after collision, both the hydroelastic solitary waves preserves their original shape and positions. However a collision does have imprints on colliding waves with non-uniform phase shift up to the third order which creates tilting in the wave profile. Maximum run-up amplitude, wave speed, phase shift and distortion profile have also been calculated and plotted for two colliding solitary waves.

MSC:

35Q35 PDEs in connection with fluid mechanics
35Q74 PDEs in connection with mechanics of deformable solids
35R35 Free boundary problems for PDEs
76B25 Solitary waves for incompressible inviscid fluids
74K20 Plates
74F10 Fluid-solid interactions (including aero- and hydro-elasticity, porosity, etc.)
74B20 Nonlinear elasticity
35B25 Singular perturbations in context of PDEs
Full Text: DOI

References:

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