Browsing by Author "Deuschle, H. Matthias"

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    3D failure analysis of UD fibre reinforced composites : Puck’s theory within FEA
    (2010) Deuschle, H. Matthias; Kröplin, Bernd-Helmut (Prof. Dr.-Ing. habil.)
    Unidirectionally fibre reinforced composites (UD FRCs) are an aspiring material where high strength, adjustable stiffness, extraordinary durability and low weight is required. Their layer-wise processing into laminates enables the realisation of complex geometries with locally strongly differing properties. The design concept of integral construction makes use of this feature and combines different tasks in just one component. The increasing proportion of integral components brings significant savings in terms of structural weight and maintenance cost of the overall system. This development is currently opposed by an enormous experimental effort which comes along with the application of FRCs. The dimensioning of FRC laminates in terms of stiffness and strength has only hesitantly been included into efficient, computer-aided design processes. For the threedimensional prediction of failure and post-failure behaviour there is currently no failure theory available, which would have been implemented into a powerful design tool like Finite Element Analysis (FEA) up to application maturity.