De-laminations in a Laminated Smart Beam with Thermal Load

Tawkeer Ahmad Tantray, Er Rahul Jakhar


The aim of the present study has been to provide systematic formulation of electro-thermo-elasticity starting from fundamental principles for the analysis of de-lamination in smart structures under thermal excitation, the electrostatic equations, the governing equilibrium equations and the constitutive relations have been developed. The general formulation has been applied to analyse the problem of sensing of de-lamination of a surface mounted smart beam with thermal load. Due to de-lamination, the delaminated-multipatched-laminated-smart beam becomes slack and deflection increases. The increase in deflection notifies presence of de-lamination in structure. The sensing of this de-lamination can be used in health monitoring of structures.  

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