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作者:

Yu, X. L. (Yu, X. L..) | Zhang, X. H. (Zhang, X. H..) | Wang, J. F. (Wang, J. F..) (学者:王景甫)

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EI Scopus SCIE

摘要:

Piezoelectric materials possess excellent electromechanical coupling characteristics, which are functional and suitable in structural vibration control. This study investigates the active control of free and forced vibration for piezoelectric-integrated functionally graded carbon nanotube reinforced composite (FG-CNTRC) plate using the finite element method (FEM). Based on the first-order shear deformation theory (FSDT), the governing equations of the motion of a piezoelectric-integrated FG-CNTRC plate are derived by Hamilton's principle. The convergence and accuracy of the numerical method is verified through the results of natural frequencies. The influences of CNT volume fraction, CNT distribution type, piezoelectric layer thickness-to-plate thickness ratio, and boundary condition on the natural frequencies are investigated. A constant gain velocity feedback algorithm is used to achieve the dynamic response control of the piezoelectric-integrated FG-CNTRC plate. In addition, the effects of dynamic load, feedback control gain, and boundary condition on the dynamic response of the plate are studied. Numerical results indicate that active control is promising for practical applications in civil and mechanical engineering.

关键词:

Hamilton's principle active vibration control functionally graded materials velocity feedback control first-order shear deformation theory

作者机构:

  • [ 1 ] [Yu, X. L.]Beijing Univ Technol, Fac Mat & Mfg, Beijing Key Lab Nonlinear Vibrat & Strength Mech S, Beijing, Peoples R China
  • [ 2 ] [Zhang, X. H.]Beijing Univ Technol, Fac Mat & Mfg, Beijing Key Lab Nonlinear Vibrat & Strength Mech S, Beijing, Peoples R China
  • [ 3 ] [Wang, J. F.]Beijing Univ Technol, Fac Mat & Mfg, Beijing Key Lab Nonlinear Vibrat & Strength Mech S, Beijing, Peoples R China

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来源 :

FRONTIERS IN MATERIALS

ISSN: 2296-8016

年份: 2022

卷: 9

3 . 2

JCR@2022

3 . 2 0 0

JCR@2022

JCR分区:3

中科院分区:4

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SCOPUS被引频次: 5

ESI高被引论文在榜: 0 展开所有

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