I do need some help, I'm looking for some examples about waveguide of NDT, meanwhile, I've found the "Sonic Well Logging" , which is supposed to be very helpful, unlike the other examples, this one dosen't have any specfic instructions, thus there is some problems I had, so I want to know is there anyone who is able to help me, it cannot be better if you can tell me how to do it step by step...In other words, I especially want to know how to generate and receive lamb waves in an aluminium plate, thank you!
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