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Structural Modelling of Compliance-Based Morphing Structures under Transverse Shear Loading

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publicationAIAA Scitech 2019 Forum
Place of PublicationSan Diego, California
Publisher or commissioning bodyAmerican Institute of Aeronautics and Astronautics Inc. (AIAA)
Number of pages17
ISBN (Electronic)9781624105784
DateAccepted/In press - 31 Aug 2018
DatePublished (current) - 7 Jan 2019


A parametrically driven structural model based on Mindlin-Reissner plate theory is developed to capture the three-dimensional deformations of a compliance-based morphing trailing edge device with severe structural discontinuities. This model addresses limitations of a previously developed Kirchoff-Love plate model, where out-of-plane displacements under torsional loading could not be accurately predicted due to unmodelled transverse shear deformations. The model is used to study the Fish Bone Active Camber (FishBAC) device, which is modelled here as a discontinuous plate structure, which captures the sudden changes in stiffness created by the concept geometrical configuration. Courant’s penalty method is implemented in the form of artificial penalty springs, to account for stiffness discontinuities. A numerical validation is performed using Finite Element Analysis (FEA). This analytical model represents a robust, efficient, mesh-independent and parameter-driven solution to modelling discontinuous plate structures. These traits make it useful for ongoing fluid-structure interaction analysis and optimisation of the FishBAC concept, and for application to other complex composite structures.

    Structured keywords

  • Bristol Composites Institute ACCIS



  • Rivero_Weaver_Woods_Scitech2019_FinalSubmission

    Submitted manuscript, 1 MB, PDF-document

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    Licence: CC BY-ND


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