スペックル法による均質材・異種材混合モードき裂の応力解析(<小特集>実験計測技術の新展開)

概要

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The point-by-point measurement of in-plane displacement was conducted by the point-wise filtering approach of speckle photography. The experiment was conducted on the compact normal and shear specimen made of homogeneous and dissimilar materials subjected to various kinds of mixed-mode loading. Then, stress-intensity factors of asymptotic solution derived by Sun and Jih were estimated using the displacement data obtained from speckle photography by the least squares method. The contour diagrams of stress and strain obtained by using the raw displacement data of experiment remarkably differed from those obtained by FEM analysis. However, the stress and strain obtained by the present analyzing system were very similar to those obtained by FEM analysis.
一般社団法人日本機械学会の論文
2001-03-25