Motion of a Load over an Ice Sheet with Non-Uniform Compression
И. В. Стурова
Abstract
The linear hydroelastic problem of the motion of a rectangular external pressure zone over an unbounded ice sheet floating on the fluid surface is considered. The ice sheet is simulated by a thin elastic plate with taking into account the longitudinal, transverse, and shear compressive forces. The external load describes the motion of an air-cushion vehicle. The solution to the time-dependent problem of instantaneous start of the load and its successive rectilinear motion at constant velocity is constructed. The steady-state wave motion developed in large times is investigated. The vertical deflections and strains of the ice sheet, as well as the wave forces acting on the vehicle, are determined.
Topics & Concepts
MechanicsMoving loadIce sheetCompression (physics)Motion (physics)Transverse planeShear (geology)GeologyMaterials sciencePhysicsClassical mechanicsVibrationStructural engineeringAcousticsComposite materialEngineeringGeomorphologyArctic and Antarctic ice dynamicsCryospheric studies and observationsCoastal and Marine Dynamics