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 ;
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%。
At the other end of the scale, Italy has a mortgage - debt ratio of less than 20% of GDP.
在天平的另一端,意大利的抵押负债比率低于百分之二十。
应用推荐