证明了该模型的信息损失仅依赖于固有曲率，而与参数效应曲率无关。
It is shown that the information loss depends on the intrinsic curvature only, while the parameter effect curvature has no effect at all.
由计算结果可以得到，几何非对称结构对多频率段降噪效果好，而改变壳面的曲率半径对壳的固有频率提高较大。
Based on results, the geometrical asymmetry shell has obvious effect about reducing noise in large range of frequencies, and change radius of curvature can increase eigenfrequency obviously.
研究了在相同曲率下不同跨度的曲线箱梁的固有振动特性，以及曲线梁的扭转振型对曲线梁动力反应的贡献。
The natural dynamic characteristics of curved box girders with the same radius of circle and different curved length are studied.
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