Stress Concentration Due to a Hemi-prolate Spheroidal Pit at a Free Surface of a Semi-infinite Body under All-around Tension
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概要
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This paper contains a three-dimensional solution for stresses around a hemi-prolate spheroidal pit at a free surface of a semi-infinite elastic body. At infinity, the body is subjected to all-around tension parallel to the free surface. In the analysis , the method of Boussinesq's two harmonic stress functions approach is used and the solution is expressed by three sets of the prolate spheroidal harmonics. The boundary conditions on the free surface and at infinity are satisfied automatically, while the remaining boundary conditions on the surface of the pit are satisfied with the aid of half-range expansion. Numerical calculations are carried out of four different shape ratios of the prolate spheroid.
- 一般社団法人日本機械学会の論文
著者
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Nakahara Ichiro
Faculty Of Engineering Tokyo Institute Of Technology
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Fujita Teruaki
Department Of Applied Physics National Defense Academy
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Fujita Teruaki
Faculty Of Applied Physics National Defense Academy
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Tsuchida Eiichiro
Faculty Of Engineering Saitama University
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