Free Vibration Analysis of Centrally Elliptically Perforated Functionally Graded Plates and Modeling Using Enhanced Grey Wolf Algorithm-Multi-Task Regression Neural Networks

Abstract Background In this study, the relationship between the arrangement of centrally located elliptical holes on Functional Graded Plates (FGPs) and their free vibration behavior was analyzed using the finite element method, while the performance of the hybrid GWMTR algorithm for multivariate regression problems was also evaluated. In the vibration analysis, the effects of material index, hole size, arrangement angle, boundary conditions, and plate aspect ratio on the natural frequencies wer