The paper advanced axial power flow distribution to choose the optimal guided wave mode and its frequency-thickness products for non-destructive testing (NDT) of pipes,and hybrid boundary element method is used to pipes to verify the validity of the results.
用轴向功率流分布来选择检测自由管状结构的最佳导波模式及其最佳频厚积 ,并将混合边界元法应用于管状结构 ,对其结果的有效性进行了验证 。
