Research Article
The Modified Fourier-Ritz Approach for the Free Vibration of Functionally Graded Cylindrical, Conical, Spherical Panels and Shells of Revolution with General Boundary Condition
Figure 15
Variations of the first frequencies of the clamped supported panels and shells with different material types: Type 1: and ; Type 2: , , and ; Type 3: , , and ; Type 4: , , and .
(a) Cylindrical panels |
(b) Cylindrical shells |
(c) Conical panels |
(d) Conical shells |
(e) Spherical panels |
(f) Spherical shells |