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DYNAMIC ANALYSIS OF STIFFENED AND UNSTIFFENED COMPOSITE PLATES | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 13, Issue 4, 2013, Pages 689-713 | ||
| Authors | ||
| Prof. Dr. Muhsin J. Jweeg; Dr. Muhannad Al-Waily | ||
| Abstract | ||
| A suggested solution for dynamic analysis of stiffened and un-stiffened laminated plates is presented in this work. The First order laminated plate theory is used. The equations of motion are solved by using the modal analysis of forced vibration for multi degrees of freedom. The applied load for this study aresine, rectangular, expansion, ramp and triangular pulses. The method of applied these loads is centrally and uniformly distributed across the plate. The deflection and stresses for each layer are presented for stiffened and un-stiffened, symmetrical and un-symmetrical, cross ply and angle ply, laminated composite plate with respect to the plate side-to-thickness ratio, aspect ratio, material orthotropy, and lamination scheme, number of layer of laminated plate, number of stiffeners, high to width of stiffener ratio, high of stiffener, the width of stiffener, and the stiffener properties. The results are very close compared with finite elements method using ANSYS program and withReddy 1982. | ||
| Keywords | ||
| Dynamic Composite; Stiffened Plate; modal analysis | ||
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