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Vorträge und Posterpräsentationen (mit Tagungsband-Eintrag):

G. Wimmer, M. Roldán Galán, H. E. Pettermann:
"A Semi-Analytical Approach for the Simulation of Delamination Growth under Quasi-Static and Cyclic Loading";
Vortrag: ECCM 13 - 13th European Conference on Composite Materials, Stockholm; 02.06.2008 - 05.06.2008; in: "Proc. ECCM 13", (2008), Paper-Nr. 528, 10 S.



Kurzfassung englisch:
A semi-analytical approach suitable for the prediction of delamination growth in laminated components is presented.
It consists of an analytical part based on linear elastic fracture mechanics and a numerical part.
For the latter the finite element method is employed in the present paper.
The approach can handle structures loaded by combinations of force, displacement, and temperature loads.
For the treatment of quasi-static loads the Griffith crack growth criterion is utilized and equilibrium delamination growth and its stability are predicted.
For the treatment of cyclic loads a Paris-type growth law is utilized and structures loaded by combinations of cyclic and constant loads
can be investigated.
The proposed approach provides systematic and general information about the influence of size and position of a delamination on the growth process and the load carrying capacity.
Delamination growth and non-linear and non-monotonous structural response, including snap-through and snap-back behavior, can be predicted in a numerically efficient way.
To show the capabilities of the proposed approach two laminated structures, an L-shaped component and a T-joint, are investigated in detail.


Zugeordnete Projekte:
Projektleitung Heinz E. Pettermann:
Simulation von Verbundwerkstoffen und Strukturen


Erstellt aus der Publikationsdatenbank der Technischen Universität Wien.