衝撃破壊面の変形フーリエ級数表示
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概要
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Roughness of the fracture surface of commercial steel is different accordingto materials and force. We reported previously a method for the numericalestimation of roughness in which the mean fracture surface is approximatedby a power series of the coordinate. In this paper the mean surface isapproximated by Fourier series modified 80 as to fit physically to the practicalmean surface. Various types Sa， Sb， Sc， Tb， Te and Uc of modification areestimated and it is conc1uded that the type Ue is the most adequate on thepoints of reliability for the various degree of approximation and practicalnumericals of the coefficients. It is obtained that low frequency terms muchdepend on the material but high frequency terms do not.
- 福井大学工学部の論文
福井大学工学部 | 論文
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