接触応力分布を求めるための逆問題解析手法　実測値による解析とその評価

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  • On inverse analysis technique to obtain contact stress distributions. Analysis using experimental data and evaluation.
  • セッショク オウリョク ブンプ オ モトメル タメ ノ ギャク モンダイ カイ

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An inverse analysis method to obtain the contact stress distributions between two elastic bodies was proposed in the previous paper. In this paper, the boundary element method is applied for the inverse method and by using the method, a practical contact problem, that is, the elastic contact problem of rigid punch and square bar made of silicone rubber, is analyzed. The square bar is put on a sensor for measuring forces. The sensor is made of piezoelectric ceramics and can be assumed to be a rigid body in comparison with the silicone rubber. The forces measured at several points of contact surface between the square bar and the sensor are used as the input data for the inverse analysis method. The estimated contact stress distributions between the rigid punches and the square bar are compared with the corresponding theoretical ones.

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