Dispersion and attenuation characteristics of torsionalmodes of ultrasonic guided wave in pipe with viscoelastic coating are investigated.
研究了带有粘弹性包覆层管道中超声导波扭转模态的频散及其衰减特性。
2
Erenow, it has not been found that the application was reported in which the multivariable model was identified and both bending and torsionalmodes were depressed.
在此之前,并未见到针对柔性结构建立多变量辨识模型,对弯曲和扭转模态都进行抑制的实际应用的例子。
3
Dispersion equations of torsionalmodes in three different two-layer pipes are obtained by means of analyzing different stress and displacement boundary conditions of these structures.