正倒锥体结构上冰力谱分析实验研究

利用研制的新型非冻结可破碎合成模型冰材料，进行了冰排与正倒锥体结构物作用的物理模拟试验研究，试验中观察记录了冰排的破碎过程并测定了作用于锥体结构物上的冰力，通过快速傅立叶变换方法由所测得的冰力时程曲线得到冰力频谱，分析并讨论了冰排速度，本结构物的水线直径，锥角以及冰排弯曲破坏方向等对冰力频谱对冰力频谱因子的影响。

Analysis of ice force spectrum in physical experiments

Physical model tests, using the new non-refrigerated breakable synthetic material, are conducted for the investigation of ice forces acting on the structure with combined cone. The total ice forces are measured and flexural failure processes of model ice sheets are recorded. The ice force power spectra are derived by the ice force-time curves with the method of Fast Fourier Transfer. The influences of various parameters such as ice velocity, inclined angle, waterline diameter and the breaking modes on the factor of ice force power spectrum such as dominant frequency and peakedness are also discussed.