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Diplom- und Master-Arbeiten (eigene und betreute):

A. Kholkin:
"Numerical Simulation of Damage and Failure of Laminated 3-Point Bending Specimens";
Betreuer/in(nen): H. E. Pettermann; Institut für Leichtbau und Struktur-Biomechanik, TU Wien; Universidade de Aveiro, 2012.



Kurzfassung englisch:
Fiber-reinforced polymers (FRP) have been used for a long time for structural applications, particularly with laminates. It is important to characterize the mechanical behavior of laminates for their design.

This behavior is characterized by an initial stiffness and by failure.The modeling strategy used in this thesis allows to predict not only first-ply-failure (FPF), but also to model the sequence of events afterwards, such as delamination and the final failure of the structure. This is achieved by using a damage model for the ply and for the interface, allowing the interaction between them.

The initial stiffness is also evaluated with different length to thickness ratios, allowing different contributions from transverse shear and bending.

In this thesis, with the finite element method (FEM) the structural behavior of a laminate composite beam under a three point bending configuration is investigated. For this purpose the commercial FEM package Abaqus is used, allowing numerical simulations with continuum shell and conventional shell elements. Also simulations are conducted, in order to prepare a future experiment for which the specimen size was chosen with recommendations from EN ISO 14125.

Erstellt aus der Publikationsdatenbank der Technischen Universität Wien.