Structural modeling of manufacture-induced gaps and overlaps by high-order unified finite elements

Structural modeling of manufacture-induced gaps and overlaps by high-order unified finite elements

Alberto Racionero Sánchez-Majano

Abstract. Variable stiffness composites present additional tailoring capabilities if compared to classical straight fiber composites. However, the fabrication of these advanced composites leads inevitably to the presence of manufacturing signatures such as gaps and overlaps, which alter the mechanical behavior of the laminated components. In this work, the fundamental frequency of variable stiffness laminates with the presence of gaps and overlaps is studied. The Defect Layer Method is considered for modeling the defects, while the Carrera Unified Formulation is employed to derive the governing equations which will be solved by the Finite Element Method.

Keywords
Variable Angle Tow Composites, Defect Modeling, Gaps and Overlaps, Unified Formulation

Published online 9/1/2023, 8 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Alberto Racionero Sánchez-Majano, Structural modeling of manufacture-induced gaps and overlaps by high-order unified finite elements, Materials Research Proceedings, Vol. 33, pp 301-308, 2023

DOI: https://doi.org/10.21741/9781644902677-44

The article was published as article 44 of the book Aerospace Science and Engineering

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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