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Rapid Determination of Suitable Reinforcement Type in Continuous-Fibre-Reinforced Composites For Multiple Load Cases

Zimmerling, Clemens; Fengler, Benedikt; Wen, Haitao; Fan, Zeyu; Kärger, Luise

Abstract (englisch):
With respect to their extraordinary weight-specific mechanical properties, continuous-fibre-reinforced plastics (CoFRP) have drawn increasing attention for use in load bearing structures. Significant effort has been carried out with respect to optimising CoFRP-components for maximum structural performance [1, 2]. Besides conventional optimisation techniques, e.g. topology or thickness optimisation, CoFRPs offer further potential for tailoring to lightweight requirements: Apart from choice of fibre and matrix material, the inherently anisotropic behaviour gives additional design freedom for engineering, e.g. fibre orientation and stacking sequence. Although offering high lightweight potential, determining a robust optimum with CoFRPs is a great challenge, especially, when multiple load cases need to be considered. This work proposes numerical analysis of principal stresses in multiple load cases to assess the lightweight potential when applying CoFRPs. Three common layups are considered: quasi-isotropic (QI) as well as bidirectional (BD) and unidirectional (UD) reinforcement. Principal stresses and their directions are obtained in Finite Element simulations. ... mehr

Zugehörige Institution(en) am KIT Institut für Fahrzeugsystemtechnik (FAST)
Publikationstyp Vortrag
Publikationsdatum 01.09.2020
Sprache Englisch
Identifikator KITopen-ID: 1000124624
Veranstaltung 23rd / 6th Joint Event: International Conference on Composite Structures - International Conference on Mechanics of Composites (ICCS / MECHCOMP 2020), Porto, Portugal, 01.09.2020 – 04.09.2020
Schlagwörter Structural Optimisation, Multiple Load Cases, Fibre Reinforced Plastics, Anisotropic Material
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