Dynamic Buckling of Elastic Bars : 1st Report, The Case of Low Velocity Impact

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This paper is concerned with a problem of a simply supported column initially bent in the shape of a half sine wave and having one end axially struck by a mass directly. First, assuming the end of the column always in contact with the mass and neglecting the axial-inertia effects, the nonlinear integral equation was derived and its solutions agreed well. Second, considering that the end of the column was apart several times from the mass in one strike, authors obtained the numerical solutions, which showed good agreement with the experimental result in relation to the mid-span axial force.
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