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Description:A particular solution to the equations is obtained using a modal analysis method in conjunction with inverse Fourier transform techniques. Computed results indicate that the fluid has considerable influence on the wave fields scattered by a crack in a composite laminate. The addition of the particular and complementary solutions yields a general solution. A complementary solution to the equations is found employing horizontal boundary conditions on cross sections at the crack tips. A system of governing equations of the fluid and solid strip elements in frequency domain are derived using a variational method and the Hamilton principle, which are converted as a set of characteristic equations in wave number domain by applying Fourier transform techniques. In this method, the fluid and laminated plate are modeled using two-nodal-line and three-nodal-line strip elements, respectively. Received November 03, ; Revised April 02, ; Online October 25, Citing Articles Abstract A strip element method is presented for analyzing wave scattering by a crack in a composite laminate submerged in a fluid.

Views: 6791 Date: 2018-10-18 Favorited: 15