Wednesday, 7 November 2012

Dynamic behavior of Sandwich Beam with Piezoelectric layers


Devadasi, Vickey and Garg, Shubham and Sahoo, Suryakant (2011) Dynamic behavior of Sandwich Beam with Piezoelectric layers. BTech thesis.

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Abstract

Sandwich beams with composite faces sheets and foam core are widely used as lightweight components in many of the industries such as automotive, marine and aerospace applications due to its high bending stiffness and strength combined with low weight. Thus, it is important to gain knowledge of their flexural behavior under static as well as dynamic loads. Although extensive research has been devoted to the flexural behavior of composite laminates in general, the flexural behavior of sandwich structures is quite and obviously different. Several works treating the dynamic flexural behavior of sandwich beams have also confirmed the marked susceptibility of sandwich structures to damage caused by the low velocity impact of foreign objects. Impacts can damage the face sheets, the core material, and the core face interface. The type of damage usually found in the faces is similar to that observed after impacts on monolithic composites. However, the damage initiation thresholds and damage area depend on the properties of the core material and the relationship between the properties of the core and those of the face sheets.The modelling is done for sandwich beam with create volume option with dimensions known in the software.
Item Type:Thesis (BTech)
Uncontrolled Keywords:piezoelectric,sandwich beam,piezoelectric actuator,Active vibration control
Subjects:Engineering and Technology > Mechanical Engineering > Finite Element Analysis
Divisions:Engineering and Technology > Department of Mechanical Engineering
ID Code:2282
Deposited By:Devadasi Vickey Avinash
Deposited On:13 May 2011 14:15
Last Modified:13 May 2011 14:15
Supervisor(s):Roy, T and Roy, H

Shiva Shankar

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