Modeling and optimization of bistable composite laminates for piezoelectric actuation


Betts, D. N., Kim, H. A. and Bowen, C. R., 2011. Modeling and optimization of bistable composite laminates for piezoelectric actuation. Journal of Intelligent Material Systems and Structures, 22 (18), pp. 2181-2191.

Related documents:

PDF (Betts_JIMSS_22_18_2181.pdf) - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
Download (3899kB) | Preview

    Official URL:


    Adaptive structures that allow large deformations under the application of a low and noncontinuous energy input are gaining increasing interest in the aerospace industry. One potential mechanism of realizing shape control is piezoelectric actuation of asymmetric composite laminates. This article presents an optimization study for the design of bistable laminates for a reversible snap-through enabled by two orthogonal piezoelectric layers. The formulation optimizes the load-carrying capability of the structure subject to deflection and actuation limits through a variation in ply orientations and laminate geometry. We find the problem to be multimodal with the multiple optima to be dependent on the loading and snap-through directions and the complex constraint boundary interactions. A reduction in the total actuation voltage is achieved through the simultaneous use of the positive and negative working ranges of the two piezoelectric layers.


    Item Type Articles
    CreatorsBetts, D. N., Kim, H. A. and Bowen, C. R.
    DepartmentsFaculty of Engineering & Design > Mechanical Engineering
    Research CentresAerospace Engineering Research Centre
    ID Code27365


    Actions (login required)

    View Item

    Document Downloads

    More statistics for this item...