軸対称面内力を受ける円環板の左座屈および振動

概要

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The probrems of elastic buckling and flexural vibration of annular plates under axisymmetric in-plane forces have been analyzed by the Galarkin method. By adopting natural vibration modes of the annular plate without in-plane force as admissible functions, these problems have been dealt with similarly for the various combinations of the boundary conditions at the outer and inner edges. Two cases, one is the case with uniform inner and/or outer pressures and other is with steady state thermal stresses caused by the temperature difference between inner and outer edges, have been analyzed as the examples of axisymmetric in-plane force distributions. The variation of the buckling load parameter with the hole size and the variations of the natural frequency parameters with the magnitude of the in-plane forces have been evaluated. It has been found that there is possibility of the buckling even in the case of the tensile in-plane force or the cooling, as the pattern of the stress distribution has compressive stress components.
一般社団法人日本機械学会の論文
1984-02-25