Publicado 4 números por año
ISSN Imprimir: 2152-2057
ISSN En Línea: 2152-2073
IF:
0.2
5-Year IF:
0.3
Eigenfactor:
0.00004
JCI:
0.08
SJR:
0.153
SNIP:
0.178
CiteScore™::
1
H-Index:
12
Indexed in
RESIDUAL STRESS PREDICTION IN POROUS CFRP USING ARTIFICIAL NEURAL NETWORKS
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SINOPSIS
The use of composite materials, especially the ones made of carbon fiber/epoxy, has considerably increased for structural applications in the aerospace industry. One of the most common defects related to composite processing refers to void formation or porosity. In general, porosity causes reduction of the mechanical properties of composites and therefore it is important to evaluate the behavior of this material in the presence of this type of defect. The porosity level was taken as the input of the network. Four fatigue test data groups were used in this work, three for the training state and one set of data for validation. The ultimate strength prediction was performed with an artificial neural network backpropagation algorithm. The neural network results showed that the application of the Levenberg–Marquardt learning algorithm leads to a high predictive ultimate strength quality.
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