The numerical result and the critical value's effect imposed by circumferential initial stress numerical character on cylindrical thinshell beard the press at axis.
给出了周向初应力数值特征对轴向压力圆柱薄壳临界值的影响，给出数值结果。
2
In the past, in all the calculations of nonlinear response of thin cylindrical shell under axial dynamic load, the effect of mass at the loading end of the shell was neglected.
圆柱薄壳受有轴向动力载荷作用的非线性响应计算中，以往忽略载荷作用端质量的影响。
3
The vibration of a thin elastic spherical shell in a bubbly layer is analyzed theoretically so as to investigate the effect of bubbly layer on structural vibration.