Research Article

Free Vibration Exploration of Rotating FGM Porosity Beams under Axial Load considering the Initial Geometrical Imperfection

Figure 4

The dependence of the first nondimensional frequency of the rotating FGM beam on the volume fraction index n and the rotational speed,  = 0.001,  = 5, and  = 1. (a) S-S. (b) C-C.
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(b)