Active vibration control of piezolaminated stiffened plates

• Published in: Composite structures Vol. 55; no. 4; pp. 435 - 443
• Main Authors: Mukherjee, A., Joshi, S.P., Ganguli, A.
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.03.2002; Elsevier Science
• Subjects: Active vibration control; Application of continuum mechanics to structures; Composite materials; Computational techniques; Condensed matter: electronic structure, electrical, magnetic, and optical properties; Dielectric, piezoelectric, ferroelectric and antiferroelectric materials; Dielectrics, piezoelectrics, and ferroelectrics and their properties; Exact sciences and technology; Fundamental areas of phenomenology (including applications); Generalized stiffener formulation; Mathematical methods in physics; Physics; Piezoelectric sensors and actuators; Solid mechanics; Stiffened plates; Structural and continuum mechanics; Structural mechanics (beam, string...); Theory and numerical methods; Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...); Vibrations and mechanical waves; Active vibration control; Stiffened plates; Generalized stiffener formulation; Piezoelectric sensors and actuators; Characteristic; Numerical method; Reinforced structure; Calculation methods; Reinforced plate; Finite element method; Active system; Feedback; Piezoelectricity; Vibration control; Coupling; Active control; Electromechanical properties; Stiffener
• ISSN: 0263-8223; 1879-1085
• DOI: 10.1016/S0263-8223(01)00171-4

The aim of this work is to present active vibration control of stiffened plates. A stiffened plate finite element with piezoelectric effects is formulated. The characteristic feature of the stiffener is that it can have any shape in plan and need not pass through the nodal lines of the finite element mesh. The coupling between the direct and the converse piezoelectric effects is neglected for simplicity. A velocity feedback algorithm is employed in the active control. Numerical examples for vibration control of isotropic and orthotropic stiffened plates have been presented.