Blunt body impact onto viscoelastic floating ice plate with a soft layer on its upper surface

Two-dimensional vertical impact of a rigid blunt body onto floating ice plate is studied. The problem coupled and unsteady. liquid inviscid, incompressible, infinite depth. floe modeled as thin viscoelastic constant thickness. edges are free bending stresses shear forces. upper surface the covered with layer small thickness negligible inertia. reaction force this soft predicted by nonlinear one-dimensional Winkler-Kelvin-Voigt model, which does not permit contact between plate. may describe either presence snow on or crushed in place impact, can be considered way regularization problems concentrated loads. touches then suddenly starts to move downward velocity. It shown that strains caused weakly dependent characteristics layer. magnitudes distributions studied depending length plate, retardation time shape body, speed. value model discussed relation crushing impact.