工学数理の演習問題の更新(3): 剛体運動の例

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. As one of such typical pendulums, a physical pendulum consisting of three bodies is modeledin three steps. In the first step, one body is a particle on which the others affect in shape. In the second step, a disk withmass and moment of inertia is added to make the pendulum model more precise. Furthermore, a bar with mass and momentof inertia is then added to construct one rigid body. Comparing the results obtained in a previous report, the third Physicalpendulum (3) is examined numerically and experimentally in this report. It is found that the model pendulum can simulatein actual experiments. To obtain better estimation in theory, we need more precise model, but the solving method for PBLis confirmed to be very exact and must provide higher level of mechanical resources in the cooperative education project.
2011-01-31