| Summary: | Macrofiber composite material (MFC) is a new type of high performance piezoelectric fiber composite material with great output and strong environmental adaptability. At present, the actuation performance of MFC is mostly based on classical plate theory (CPT) and it is impossible to obtain MFC’s actuation force distribution and precise actuation force application position. Therefore, with the consideration of the shear deformation of MFC composite plate structure, the third-order shear deformation theory (TSDT) was adopted to derive the MFC power formula. Taking MFC composite beam structure as an example, the motion simulation of MFC composite beam structure based on CPT and TSDT under different amplitude voltages was conducted. The results show that the calculation of MFC power based on TSDT is higher in accuracy and can accurately reflect the distribution characteristics of MFC power.
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