Non-linear analysis of piezolaminated structures

Moita, José Mateus Simões; Soares, Cristovão M. Mota; Soares, Carlos A. Mota

http://hdl.handle.net/10400.1/156

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Authors

Moita, José Mateus Simões

Soares, Cristovão M. Mota

Soares, Carlos A. Mota

Abstract(s)

In the recent years the study of smart structures has attracted significant researchers, due to their potential benefits in a wide range of applications, such as shape control, vibration suppression, noise attenuation and damage detection. The applications in aerospace industry are of great relevance, such as in active control of airplane wings, helicopter blade rotor, space antenna. The use of smart materials, such as piezoelectric materials, in the form of layers or patches embedded and/or surface bonded on laminated composite structures, can provide structures that combine the superior mechanical properties of composite materials and the capability to sense and adapt their static and dynamic response, becoming adaptive structures. The piezoelectric materials have the property of generate electrical charge under mechanical load or deformation, and the reverse, applying an electrical field to the material results in mechanical strain or stresses.