Research Status of Lamb Wave Time-Reversal Method for Composite Materials

The current research status of the Lamb wave time-reversal method for composite materials was reviewed. Based on the analysis of the characteristics of Lamb wave detection, the basic principles of the Lamb wave time-reversal method and the specific operation procedures in application were described. The research status of this method in theoretical research, simulation and application by external research institutes was mainly analyzed, the current deficiencies of the method and problems to be solved were summarized, and the next research work in the future was shown.