Abstract
This study investigated the material properties identification method of a single layer CFRP plate. This identification method is comparing between the vibration mode measurement results obtained from anisotropic materials with vibration analysis results of a single layer CFRP plate. In particular, genetic algorithm was used to identify multiple material properties at the same time. The usefulness of the identification method was confirmed by using simulation data. It turned out that it is necessary to include the high order mode in vibration mode used for genetic algorithm. Although there is variability, the possibility of identifying multiple material properties at the same time is suggested. If it can be identified by using experimental data including high order mode, material properties identification method of anisotropic material is established in the future.