Modeling a Piezothermoelastic Laminated Plate-Membrane

Rogers, J.W.; Agnes, Gregory S.

doi:10.1177/104538902761696779

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2004

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“…In [27], a 1-D analytical model is introduced for a cantilevered cylindrical antenna actuated by PVDF. A 2-D analytical model for thin rectangular PZT bimorphs with edge supports is derived in [8] and a model for circular laminates is developed in [18]. Numerical methods have been used in previous work to calculate laminate deflection due to segmented piezoelectric actuators.…”

Section: Introductionmentioning

confidence: 99%

Deflection model for corner-supported plates with segmented in-plane actuators

et al. 2004

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The shape control of flexible mirrors has been studied mainly for edge-supported thin-plate configurations. For applications such as optical reflectors, corner-supported configurations, which allow for paraboloidal geometries, prove more applicable. Moreover, the use of corner supports enables more flexibility and larger achievable deflections than with edge supports. This paper discusses a corner-supported thin rectangular plate actuated by a two-dimensional array of segmented piezoelectric laminated actuators. First, a model determining the deflected shape of a laminate for a given distribution of voltages over the actuator array is derived. Second, the results of the model are shown to agree well with a finite element simulation of the structure. Finally, paraboloidal deflection of a rectangular PVDF laminate is investigated.

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Section: Introductionmentioning

confidence: 99%