Simulation of delaminations in composite laminates
Gudimetla, Prasad, Kharidi, Aprameya, & Yarlagadda, Prasad, K.D.V. (2009) Simulation of delaminations in composite laminates. In Proceedings of the 6th International Conference on Precision, Meso, Micro and Nano Engineering, Coimbatore, India.
Lamb waves propagation in composite materials has been studied extensively since it was first observed in 1982. In this paper, we show a procedure to simulate the propagation of Lamb waves in composite laminates using a two-dimensional model in ANSYS. This is done by simulating the Lamb waves propagating along the plane of the structure in the form of a time dependent force excitation. In this paper, an 8-layered carbon reinforced fibre plastic (CRFP) is modelled as transversely isotropic and dissipative medium and the effect of flaws is analyzed with respect to the defects induced between various layers of the composite laminate. This effort is the basis for the future development of a 3D model for similar applications.
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|Item Type:||Conference Paper|
|Keywords:||composites, delamination, Lamb waves, ANSYS|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Engineering Systems
|Copyright Owner:||Department Of Mechanical Engineering Psg College Of Technology Coimbatore ; Department Of Mechanical Engineering Amrita School Of Engineering Amrita Vishwa Vidyapeetham (University) Coimbatore|
|Deposited On:||04 Feb 2010 08:44|
|Last Modified:||01 Mar 2012 00:06|
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