The Free Vibration Behaviors Of Hybrid Stacked Composite Plates With A Hole

Omer Sinan Sahin, Aydin Gunes

Abstract


In this study, the free vibration characteristics of hybrid stacked fiber reinforced composite laminates with a hole was studied by using finite elements method. The hybrid composite laminates are composed of four layers with symmetrical and antisymmetrical sequences. The fiber reinforcement angles of plates are (15/-15)2, (30/-30)2, (45/-45)2 and (60/-60)2. The natural frequencies of hybrid composites were obtained for four different boundary conditions and different hole diameters and the results were presented in graphical form.


Keywords


Free vibrations, hybrid composites, finite elements method, hole, boundary conditions

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