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I am a Royal Academy of Engineering (RAEng) research fellow (2021-2026). The primary focus of my current research is on the Uncertainty QUAntification in the design and analysis of Future composite Aerostructures (UQUAFA).
My research aims to develop lighter, more damage tolerant, yet safer, composite aerostructures. Robust computational models will predict the mechanical response of fibre-reinforced composites under damage-inducing loads, accounting for material and manufacturing uncertainties, combined with a physically based damage model that spans across micro-macro scales.
Within the context of my Fellowship, I'm fortunate to be mentored by: Professor Brian Falzon (QUB) and Professor Philip J. Withers (University of Manchester).
My research interests rely essentially on the mechanics of fibre-reinforced composites. The following topics grasp my attention:
- Uncertainty Quantification towards less conservative knockdown factors in composite aerostructures
- Stochastic modelling
- Multiscale modelling
- Imperfection sensitivity of variable-angle composite shells
- Modern and robust optimisation methods
- Advanced manufacturing
I am passionate about science. I try my best to give a solid contribution to my exciting research field: mechanics of composite materials.
In the last 10 years, I have worked in several aspects of composite materials:
- Uncertainty quantification for composites
- Natural fibres
- Damage and failure modelling for composite structures
- Mechanical behaviour of composites in harsh environments
- Buckling and post-buckling of composite shells
- Optimisation using variable-stiffness concept
- Advanced manufacturing techniques
- Long-term properties of composites: modelling and experiments
- Structural optimisation for composites using gradient-based and gradient-free methods
After intensively working on these exciting topics over the last years, I've moved on towards exploiting a new endeavour in my field after asking myself: where variability in fibre-reinforced composites come from? How do they arise? How do they propagate across scales? How do they affect the mechanical properties of the structure? The answer is uncertainties. Uncertainty quantification (UQ) is the master key.
These questions motivated me sufficiently to apply for a scheme that would allow me to have all the support to undertake underpinning research towards generating strong impact: the Royal Academy of Engineering (RAEng) Research Fellowship. I was fortunate enough to win this Fellowship and nowadays, I drive my attention to understand and unveil UQ on composite structures.
Royal Academy of Engineering Research Fellowship
Marie Skłodowska-Curie Actions (MSCA) Individual Fellowship (not pursued due to overlap with RAEng)
Alexander von Humboldt Fellowship
Best PhD Paper in the Brazilian Polymer Congress
Mechanics of Materials 3
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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A concurrent fibre orientation and topology optimisation framework for 3D-printed fibre-reinforced compositesAlmeida Jr., J. H. S., Christoff, B. G., Tita, V. & St-Pierre, L., 08 Feb 2023, In: Composites Science and Technology. 232, 15 p., 109872.
Research output: Contribution to journal › Article › peer-reviewOpen AccessFile38 Downloads (Pure)
Christoff, B. G., Almeida Jr., J. H. S., Cardoso, E. L. & Tita, V., 01 Jun 2023, In: Engineering Structures. 284, 13 p., 115990.
Research output: Contribution to journal › Article › peer-reviewOpen AccessFile10 Downloads (Pure)
A sequential finite element model updating routine to identify creep parameters for filament wound composite cylinders in aggressive environmentsAlmeida Jr, J. H. S., Lisbôa, T. V., Spickenheuer, A. & St-Pierre, L., Feb 2023, In: Computers & Structures. 276, 14 p., 106939.
Research output: Contribution to journal › Article › peer-reviewOpen AccessFile12 Downloads (Pure)
Combining filament winding with tailored fiber placement in composite cylinders locally reinforced with fibrous patchesAzevedo, C. B., Almeida Jr, J. H. S., Lisbôa, T. V., Scherer, L. G., Spickenheuer, A. & Amico, S. C., 07 Apr 2023, (Early online date) In: Journal of Reinforced Plastics and Composites.
Research output: Contribution to journal › Article › peer-review
Efficient strategies for reliability analysis and uncertainty quantification for filament-wound cylinders under internal pressureAzizian, M., Almeida Jr, J. H. S. & Azizian, M., 01 May 2023, In: Journal of Composite Materials. 57, 11, p. 1863-1874 12 p.
Research output: Contribution to journal › Article › peer-reviewOpen AccessFile6 Downloads (Pure)
- 4 Editorial activity