弾性棒と弾性梁の衝突特性 : 境界条件の影響(研究)

概要

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The collisions of elastic bar and elastic beam are treated analytically. It is already known that the collision phenomena of bar and beam will constitute form from only one time collision pattern to two or more intermittent type of collision patterns. However, these patterns are determined by the following three principal parameters when an elastic bar collides with a both-ends supported elastic beam. Thus, they are 1) mass ratio, 2) natural-frequency ratio in the first-order mode, and 3) collision position ratio. In this paper, we studied analytically how a variation of the boundary condition of a beam (both-ends are supported beam, both-ends are clamped beam, one end clamped the other end free beam) would influence collision phenomena. The bar and beam to be used were unified and the variation was investigated by changing only a boundary condition.
2012-06-10