Research Article
Nonlinear Forced Vibration of Bidirectional Functionally Graded Porous Material Beam
Figure 5
The comparison of linear and nonlinear dynamics response of SS BDFG porous beam when , , , and . (a), (d), (g) Frequency-response curves; (b), (e), (h) time histories when ; (c), (f), (i) phase diagrams.
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