Theoretical analysis and numerical calculations for three shells with scale ratio 1:2:3 show that if loss factor does not depend on frequency it has no influence on simil…

理论分析和对尺寸比1 ：2：3的三个壳体的数值计算表明 ：若材料损耗与频率无关 ，则损耗不影响相似性 ；

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The computational results show that the error of restored moment can be 50% for the model with a scale ratio of 0.1 when the similarity of environment pressure is not taken into consideration.

计算结果表明，对尺度比为0.1的模型，若不考虑环境压力的相似，恢复力矩的误差可接近50%。

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The computational results show that the error of restored moment can be 50% for the model with a scale ratio of 0.1 when the similarity of environment pressure is not taken into consideration.

计算结果表明，对尺度比为0.1的模型，若不考虑环境压力的相似，恢复力矩的误差可接近50%。

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