引張りまたは面内曲げを受ける片側V形切欠入り帯板の応力拡大係数K_<I,λ_1>とK_<II,λ_2>
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概要
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This paper deals with the singular stress field near the tip of a V-shaped single-edged notch in an infinite strip under tension and in-plane bending. The order of the stress singularity is dependent on the deformation mode. For mode I deformation, the stress singularity is 1/γ^<1-λ_1>, and for mode II deformation, it is 1/γ^<1-λ_2>. Thus, the stress field around the singular point must be described in terms of two constants K_<I,λ_1> and K_<II,λ_2>. In this study, the parameters K_<I,λ_1> and K_<II,λ_2> are calculated using the body force method. In the numerical analysis, the singularities of stress field are characterized by introducing the proper basic density functions of the body forces. The use of the basic density functions enables one to obtain accurate solutions.
- 1993-04-25