Piezoceramic materials shear response: approximate modal coupling and analysis

Ayech Benjeddou

doi:10.1117/12.923290

3 April 2012 Piezoceramic materials shear response: approximate modal coupling and analysis

Ayech Benjeddou

Proceedings Volume 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering; 840913 (2012) https://doi.org/10.1117/12.923290
Event: Third International Conference on Smart Materials and Nanotechnology in Engineering, 2011, Shenzhen, China

Abstract

Focus is here made on the approximate modal coupling evaluation and response analysis of the piezoceramic materials d₁₅ shear-mode response. Hence, different evaluation techniques of the effective modal coupling are assessed and twodimensional (2D) plane strain and plane stress free-vibration problems, under short-circuit and approximate, without equipotential (EP) constraints, and accurate, with EP, open-circuit electric conditions, are investigated with ANSYS^r 2D and three-dimensional finite elements for a literature shear-mode piezoceramic sandwich beam benchmark with different filling foams. It is shown that the EP physical constraints reduce dramatically the effective coupling, and the plane stress and strain results depend strongly on the filling foam stiffness.

Citation Download Citation

Ayech Benjeddou "Piezoceramic materials shear response: approximate modal coupling and analysis", Proc. SPIE 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering, 840913 (3 April 2012); https://doi.org/10.1117/12.923290

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