Frequencies of Nonuniform Triangular Plate with Two-Dimensional Parabolic Temperature

Frequencies of nonuniform triangular plate (isosceles, right-angled, and scalene triangle) on clamped edges under temperature field are computed using Rayleigh–Ritz method. For non-uniformity, two-dimensional linear thickness variation on the plate is considered. The two-dimensional parabolic temperature is considered on the plate. First three modes of vibration are computed on different variation of plate parameters and presented with the help of tables. The objective of the study is to reduce the frequency of the plates. A comparative study of the frequencies with other available published results well presents the objective of the study.