Finite element analysis of compressive failure in stiffened carbon fiber panels
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Inclou dades d'ús des de 2022
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hdl:2099.1/14977
Tipus de documentProjecte Final de Màster Oficial
Data2011-09-29
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Abstract
The use of composite materials in the aerospace industry is experiencing a large
increase in recent years. Mainly they are used to build commercial aircraft fuselages.
COCOMAT project had aimed to study and to improve the behaviour of this type of
structures. In this work, different simulations have been made with the finite elements
method with a COCOMAT project panel. This rectangular curved panel with four
stiffeners was submitted to a compressive load with the possibility of buckling.
Using the commercial software ABAQUS/CAE, a buckling analysis has been made of
this substructure with finite elements type “shell”. The behaviour of the adhesive
bonding between skin and four stiffeners has been simulated using the standard
VCCT “Virtual Crack Clousure Technique” of ABAQUS. Its propagation of failure was
analysed.
The obtained results have been contrasted with experimental real results of the
panel. Results gave a very accurate simulation of the panel behaviour with buckling,
post buckling and collapse loads.
Fitxers | Descripció | Mida | Format | Visualitza |
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memoria.pdf | 5,645Mb | Accés restringit |