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  • 0n a Curvilinear Strain Gage for Stress Analysis
  • キョクセンケイヒズミ ゲージ ニ ツイテ

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On the basis of the well-known equation of strain quadratic surface, we discuss the relations between the stress and strain components in the present problems, from which we find the states of stress at a given point, provided that we have the strain components [exx, eyy, exy] at the point. Here, we propose curvilinear strain gages with such types as their basic domains are small ring ones surrounding the given point and show that the present problems are solved, if only we measure the curvilinear strains of the gages after having been deformed. As an actual example, we take foil gages of circular type. These gages are fairly smaller than usual Rosette gages and we have generally experimental results with high accuracy.

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