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IJME 540

Paper Title: Free Vibration of Skew Laminates – A Brief Review and Some Benchmark Results

 

Authors

S Haldar, Indian Institute of Engineering Science and Technology, India

S Pal, Indian Institute of Engineering Science and Technology, India

K Kalita, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, India

Summary  

This study investigates and reviews prior research works on skew composite laminates. The equivalent single layer theories are explored and discussed. An exhaustive review on static and dynamic analysis of composite skew laminates is also presented. Subsequently, a nine node isoparametric plate bending element is used for free vibration analysis of laminated composite skew plate with central skew cut out. The effect of shear deformation is incorporated in the formulation considering first order shear deformation theory. Two types of mass lumping schemes are analysed to study the effect of rotary inertia. Certain numerical examples of plates having different skew angles, skew cut out sizes, boundary conditions, thickness ratios (h/a), aspect ratios (a/b), fiber orientations and number of layers are solved which will be useful for benchmarking of future studies.

 

Reference

Transactions RINA, Vol 161, Part A4, International Journal Maritime Engineering, Oct - Dec 2019 

DOI Number

DOI No: 10.3940/rina.ijme.2019.a4.540

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