Research Article

On the Finite Element Model of Rotating Functionally Graded Graphene Beams Resting on Elastic Foundation

Table 1

First three nondimensional fundamental frequencies of the beam subjected to the axial load .

Boundary conditionVibration modeExact [45]Exact [46]FEM with 8 elements [47]This work
4 elements6 elements8 elements10 elements12 elements

S-S16.246.246.2476.2436.2426.2426.241
236.4036.4136.50536.40236.38336.37736.375
385.8185.9361.89185.92485.76885.72185.703

S-C113.0113.0113.01813.00613.00313.00313.003
247.3547.3847.49347.35647.32347.31347.309
3101.54101.73101.053101.630101.450101.384101.358