INVESTIGATION OF PIEZOELECTRIC PATCHES PLACEMENT ACCORDING TO THE STRAIN INTENSITY
Journal: Applied Engineering Letters (Vol.5, No. 2)Publication Date: 2020-06-30
Authors : E. Gülbahçe M. Çelik;
Page : 46-49
Keywords : Placement of actuators; piezoelectric; finite element analysis; vibrations; mode superposition;
Abstract
In active vibration control of the smart structures, the dynamic characteristics directly affect the damping performance; also, the actuators are the important element for the vibration reduction. Therefore, the optimal placement of the actuators/sensors on the structure is the key parameter to enhance the control performance. Within this scope, in this study, the possible optimal placement of piezoelectric actuators/sensors on the cantilever smart plate structure is presented by using mode superposition method. The simple plate and the smart plate are investigated with respect to compare each other according to the modal parameters such as mode shape and natural frequency. The numerical studies based on the finite element analysis are conducted in ANSYS Workbench software. As a result of the study, it is seen that the strain
intensity calculations obtained after the mode combination can be used in the layout of piezoelectric actuators. Thus, a fast and practical solution for preparing the basis of optimal actuators/sensors placement is presented.
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Last modified: 2020-07-11 18:49:01