A COMPARISON BETWEEN FINITE ELEMENT AND SEPARATION OF VARIABLES METHOD IN INVESTIGATING FREQUENCY BEHAVIOR OF BIMORPH PIEZOELECTRIC BEAM

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IRANI SAIED; FARROKH MOJTABA; PASHNA MEISAM; HEYDARI SOMEEH SINA

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:5 Page(s): 31-40

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Title

A COMPARISON BETWEEN FINITE ELEMENT AND SEPARATION OF VARIABLES METHOD IN INVESTIGATING FREQUENCY BEHAVIOR OF BIMORPH PIEZOELECTRIC BEAM

Author(s)

IRANI SAIED | FARROKH MOJTABA | PASHNA MEISAM | HEYDARI SOMEEH SINA | Issue Writer Certificate

Keywords

PIEZOELECTRICQ2

FINITE ELEMENTQ2

ENERGY HARVESTINGQ1

BIMORPH BEAMQ1

Abstract

In recent years, a variety of analytical methods have been used to calculate the output PIEZOELECTRIC energy, but the use of FINITE ELEMENT method using analysis software in a variety circuit connection of PIEZOELECTRIC layers is something new in this field. So for the first time in this article it is tried particular form of numerical analysis method is called separation of variables compared with the FINITE ELEMENT method, to take advantage of these methods in a variety connection of PIEZOELECTRIC layers is to be determined. The model is a BIMORPH BEAM with two PIEZOELECTRIC layers and a central elastic layer. This BIMORPH BEAM starts vibrating at various frequencies as a result of base excitation. First, frequency behavior of the BIMORPH BEAM is simulated using the separation of variables method. In this method, the equations of motion in parallel and series connection of PIEZOELECTRIC layers are obtained as separate parameters. The coupled mechanical and electrical equations are derived using the solution of equations obtained from the separation of variables method. Finally, the output voltage, current and power are obtained in terms of frequency. Then, the BIMORPH BEAM is modeled based on FINITE ELEMENT method using ABAQUS software. After the illustrating output voltage, current and power diagrams are illustrated for a certain range of frequencies and the results of the FINITE ELEMENT method and the steady state method are compared to validate the model.

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APA: Copy

IRANI, SAIED, FARROKH, MOJTABA, PASHNA, MEISAM, & HEYDARI SOMEEH, SINA. (2017). A COMPARISON BETWEEN FINITE ELEMENT AND SEPARATION OF VARIABLES METHOD IN INVESTIGATING FREQUENCY BEHAVIOR OF BIMORPH PIEZOELECTRIC BEAM. MODARES MECHANICAL ENGINEERING, 17(5 ), 31-40. SID. https://sid.ir/paper/179196/en

Vancouver: Copy

IRANI SAIED, FARROKH MOJTABA, PASHNA MEISAM, HEYDARI SOMEEH SINA. A COMPARISON BETWEEN FINITE ELEMENT AND SEPARATION OF VARIABLES METHOD IN INVESTIGATING FREQUENCY BEHAVIOR OF BIMORPH PIEZOELECTRIC BEAM. MODARES MECHANICAL ENGINEERING[Internet]. 2017;17(5 ):31-40. Available from: https://sid.ir/paper/179196/en

IEEE: Copy

SAIED IRANI, MOJTABA FARROKH, MEISAM PASHNA, and SINA HEYDARI SOMEEH, “A COMPARISON BETWEEN FINITE ELEMENT AND SEPARATION OF VARIABLES METHOD IN INVESTIGATING FREQUENCY BEHAVIOR OF BIMORPH PIEZOELECTRIC BEAM,” MODARES MECHANICAL ENGINEERING, vol. 17, no. 5 , pp. 31–40, 2017, [Online]. Available: https://sid.ir/paper/179196/en

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