The results show that there exist attenuation in all propagation modes along viscoelastic cylindrical tube, and higher-order propagation modes haven't cut-off frequency.

分析结果表明与弹性圆柱管相比粘弹性圆柱管中轴对称波的各阶传播模式均存在衰减，高阶传播模式并无严格意义的截止频率。

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The finite attenuation distance of the cylindrical and spherical detonation was deduced through analyzing the asymptotic attenuation.

通过对冲击波、爆轰波衰减渐近规律的分析，推导出柱面、球面强爆轰波的衰减有限距离的函数表达式。

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Applying reiterative method, this Paper simulates the blasting stress field of cylindrical charge, and then, gets attenuation law stress peak value and characteristics of stress distribution.

本文应用叠加方法模拟了柱状装药爆炸时的动态应力场，通过计算机数值模拟得到了柱状装药爆炸时应力峰值的衰减规律和应力分布特点。

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