Two-pheromone ant colony optimization to design dispersed laminates for aeronautical structural applications

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Sebaey Abdella, Tamer Ali Abdella
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Lopes, Carolina Salomao
orcId Blanco Villaverde, Norbert​ ​ scopusId Blanco Villaverde, Norbert​ ​
Blanco Villaverde, Norbert
orcId Mayugo Majó, Joan Andreu​ researcherId Mayugo Majó, Joan Andreu​ scopusId Mayugo Majó, Joan Andreu​ ​
Mayugo Majó, Joan Andreu
orcId Costa i Balanzat, Josep​ researcherId Costa i Balanzat, Josep​ scopusId Costa i Balanzat, Josep​ ​
Costa i Balanzat, Josep
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The objective of the present study is to find out the effect of using non-conventional fiber orientations (orientations not limited to 0°, ±45° and 90°) to improve the composite material response. The Ant Colony Algorithm is used to optimize the stacking sequence for biaxial tension and compression loading condition under strength constraints. Moreover, a modified algorithm (two-pheromone algorithm) is used to design a fully dispersed laminate. Results show that dispersed laminates can improve the critical buckling load by up to 8% for the biaxial compression loading case. With respect to the biaxial tensile loading condition, the results show that the matrix cracking failure index can be decreased up to 100% and the fiber tensile failure index can be decreased by 40% using the two pheromone formulation ​
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