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A finite element model was built for predicting the Lamb wave signals in isotropic material with defect. By acting optimized exciting condition, single mode Lamb wave was generated in the plate with defect. S0 mode and A0 mode are the main modes researched in this paper. A 2-D finite element model was built to analyze the reflection from the defect using S0 mode Lamb wave scattering approach. Complex...
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