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    Analytical model of the electro-mechanical impedance response of frame structures with L-shaped beams

    , Article Research in Nondestructive Evaluation ; Volume 31, Issue 3 , 2 January , 2020 , Pages 187-202 Mohsenzadeh, M ; Hamzeloo, S. R ; Barzegar, M ; Pourkamali Anaraki, A ; Sharif University of Technology
    Taylor and Francis Inc  2020
    Abstract
    The electro-mechanical impedance (EMI) method has been accepted as an effective technique for detecting damages in the Structural health monitoring (SHM). EMI at any point of the structure depends on material properties, geometry and boundary conditions that all appears in dynamic stiffness of the structure. In spite of the expensive experimental methods for measuring the mechanical impedance, or the cheaper one electromechanical impedance, of structures, various analytical methods could be substitutions for them. In this paper, an analytical method is developed to obtain the EMI response of L-shaped beams through calculating the dynamic stiffness of the structure. To verify the model, an...