Nonlinear Resonance Interaction between Conjugate Circumferential Flexural Modes in Single-Walled Carbon Nanotubes

Figure 13

Nonlinear convergence analysis of the sum of the time histories of the two conjugate modes (1,2), (1,2,c). Nonlinear modal expansion (27)–(29). Modal initial conditions (36). Nonlinear models of Table 5. 22 dof reference model. (a) 6 dof model vs. 22 dof model, (b) 8 dof model vs. 22 dof model, (c) 14 dof model vs. 22 dof model, (d) 20 dof model vs 22 dof model, (e) Comparisons, and (f) Comparisons.

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