利用数值模拟和实验研究两种手段，从频散的角度分析了基于磁致伸缩效应的导波无损检测技术在圆管检测中的应用。
In view of dispersion, the application of guided wave NDT of pipe based on magnetostrictive effect was analyzed by the combination of numerical simulation and experimental research.
通过分析不同的应力和位移边界条件得到了三种不同双层管结构中扭转模态的频散方程。
Dispersion equations of torsional modes in three different two-layer pipes are obtained by means of analyzing different stress and displacement boundary conditions of these structures.
分析孔隙流体性质及含量变化和测量频率变化对泥质砂岩频散特性的影响。
Effects of pore fluid property, contents variety and measurement frequency variety on frequency dispersion of argillaceous sandstone are analyzed.
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