応用物理
Online ISSN : 2188-2290
Print ISSN : 0369-8009
ISSN-L : 0369-8009
一体型微動機構に用いられる円弧切り欠き支点のまげ弾性
田中 充中山 貫
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ジャーナル フリー

1981 年 50 巻 3 号 p. 212-221

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The elastic properties of a circular notched bar under bending load are treated by the theory of thin plates, by the theory based on the rigorous solution of a hyperbolic notch and by the structural analysis of the finite element method respectively. The experimental results on the bending elastic coefficients verify these theoretical treatments not only in the thickness dependences onthe geometrical parameters, but also in the absolute values with a difference ofless than 20%. As far as the theoretical treatments are concerned, the geometrical average of the thickness of the notched bar and the radius of the circle are universally found to be the significant parameters in estimating the elastic properties. And also in the numerical analysis procedure, a systematic method to generate the elements in the circular notched bar is proposed, which will be a useful tool in further numerical analysis with the highest precision.

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