Abstract
This paper investigates the effect of honeycomb core on flexural and the modal responses of a flat sandwich plate with honeycomb core. Static and modal analyses are carried out for different boundary conditions using finite elements method. The geometry of the same mid-plane kinematics has been modelled by in ANSYS using APDL code, which is based on first-order shear deformation theory (FSDT). The whole model has been formulated using an eight node serendipity SHELL281 element. Initially, the values of natural frequency of sandwich plate are compared and validated with available results. Then, a number of numerical examples have been demonstrated to study the effect of cell size, face sheet thickness, and core thickness on the natural frequencies, central deflection.
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