Modified Bernoulli-Euler laminate beam theory using total effective moment in LIPCA

Cheol Woonq Kim, Sang Heon Lee, Kee Joo Kim

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The applicable bending moment equation of LIPCA is necessary even though the fiber layer ply orientation is changed. The aim of this research is to evaluate the relationship between the total effective moment (ME) and Bernoulli-Euler bending moment (M) when the ply orientations of unidirectional CFRP, which is one of the various laminate configurations in LIPCA, are changed. Since the related previous equation between the performance stroke range (Δh) and the radius of curvature (ρ) was just applicable to the CFRP ply orientation [0], it will be modified using these results. The related modified equation, which has nothing to do with the various CFRP ply orientation, is also suggested and compared with the previous equation.

    Original languageEnglish
    Pages (from-to)413-416
    Number of pages4
    JournalKey Engineering Materials
    Volume334-335 I
    DOIs
    Publication statusPublished - 2007

    Keywords

    • Bernoulli-Euler laminate beam theory
    • CFRP ply orientations
    • Fiber ply orientation factor
    • LIPCA
    • Performance stroke range
    • Total effective moment

    ASJC Scopus subject areas

    • General Materials Science
    • Mechanics of Materials
    • Mechanical Engineering

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