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Figure 1

From: Multiscale studies on the nonlinear vibration of delaminated composite laminates–global vibration mode with micro buckles on the interfaces

Figure 1

Illustration of material modeling. (a) A single layer of unidirectional fiber reinforced composite ply with a continuous matrix and dispersed fibers. (b) The equivalent homogeneous, anisotropic composite ply. (c) Determination of the equivalent material properties E 11 and μ 21. (d) Determination of the equivalent material properties E 22, and E 33. (e) Determination of the equivalent in-plane shear modulus G 12. (f) Symmetrically cross-plied composite laminate. (g) A composite laminate containing a through-width delamination.

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