On Design of Anisotropy Distributions, Applying Lamina Formulas for 2d Result Visualization

Pauli Pedersen, Niels Leergaard Pedersen

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    Abstract

    In rotational transformation of constitutive matrices, some practical quantities are often termed invariants, but the invariance relates to an unchanged reference direction. Rotating this reference direction, the practical quantities do change and this point is clarified with derived rotational transformation for these practical quantities. The research background for optimal anisotropic constitutive matrices is shortly presented. Then design results are applied in a 2D visualization of optimized constitutive matrices, that are distributed in a finite element (FE) model where each element has a specific reference direction. The visualized distributions of physical quantities are; stiffest material direction, material stiffest longitudinal constitutive component, level of anisotropy, absolute or relative shear stiffness and orthotropy test.
    Original languageEnglish
    Title of host publicationProceedings of the 10th International Conference on Composite Science and Technology
    EditorsA. L. Araújo, J. R. Correia, C. M. Mota Soares
    Number of pages12
    PublisherIDMEC
    Publication date2015
    ISBN (Print)978-989-99424-2-4
    Publication statusPublished - 2015
    Event10th International Conference on Composite Science and Technology - Instituto Superior Técnico, Lisboa, Portugal
    Duration: 2 Sep 20154 Sep 2015
    http://www.dem.ist.utl.pt/iccst10/

    Conference

    Conference10th International Conference on Composite Science and Technology
    LocationInstituto Superior Técnico
    Country/TerritoryPortugal
    CityLisboa
    Period02/09/201504/09/2015
    Internet address

    Keywords

    • Optimal design
    • Anisotropy
    • Lamina formula
    • Result visualization

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