技術者教育のための工学数理の力学教材の改定(17): 扁長楕円体上の棒の振動解析

概要

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In view of various types of pendulums provided at foreign universities and colleges, some representative educationmaterials are reexamined to show fundamental mechanical phenomena and to step up to higher level of PBL (ProblemBased Learning) resources for computational dynamics in the advanced engineering course. As one of such typical pendulums,we solve a mechanical problem here, in which a rigid rod rocks on an ovary ellipsoid of radius ratio 2:6 as ahorizontal pendulum. Nonlinear free oscillation of rigid rod is simulated to obtain oscillation shape and period. The periodis found to be longer than that of the bar oscillation on the planetary ellipsoid of radius ratio 6:2.
2011-01-31