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Static and Dynamic Analysis for Optimum PZT Positioning and Optimum Voltage in a Delaminated Smart Composite Beam

Ruby Maria Syriac, A.B. Bhasi, Y.V.K.S. Rao

Abstract


This paper conducts a comprehensive static and dynamic analysis of a delaminated composite beam with and without a piezoelectric layer making use of the principle of minimum potential energy. A new finite element model for composite laminate with delamination defect using cohesive zone method is developed using ANSYS APDL. A lead zirconate titanate (PZT) patch is embedded over the delaminated model following the results obtained from static analysis. The work is proceeded with dynamic analysis to determine the effect of fibre orientation on delamination of composite laminate. Moreover, an analysis of PZT positioning is also included to ensure the extent of actuator's efficacy as a controlling technique and patches over the delamination area are found to have around 30% better structural control. This paper also presents the significance of limiting voltage on vibration control of smart composites and double PZT patches are found to be more effective than single PZT patch smart composites.

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References


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DOI: https://doi.org/10.37591/jopc.v11i2.7092

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