Mechanics of Knitted Fabrics
- Aim to untangle the mixed role of topology, elasticity and friction in the mechanical response of knitted fabrics.
- Analytical description and homogenization model of 2D deformations.
- Statistical analysis of the friction-induced avalanche-like slip events of the contacts.
- Use of machine-learning to help predict slip events.
Associated publications:
- S. Poincloux, et al., Geometry and Elasticity of a Knitted Fabric, PRX, 2018, 8(2), 021075, [doi]
- S. Poincloux, et al, Crakling Dynamics in the Mechanical Response of Knitted Fabrics, PRL, 2018, 121(5), 058002, [doi]
- A. Douin et al, Assessing seismic-like events prediction in model knits with unsupervised machine learning, EML, 2023, 58, 101932, [doi]
- PhD thesis (in French), 2018, Élasticité et tremblements du tricot, [link]
Friction in stacks
- Why the bending response of a book is not proportional to its number of pages?
- Dimensional reduction of stack to take into account the interplay between elasticity, non-linear geometry and friction.
- Stick-slip response of a sheared stack.
- Role of layers rigidity and interface ageing in making slip events in stacks more challenging to predict.
Associated publications:
- S. Poincloux et al, Bending response of a book with internal friction, PRL, 2021, 126(21), 218004, [doi]
- S. Poincloux et al, Stick-slip in a stack: How slip dissonance reveals aging, PRR, 2024, 6, 013080, [doi]
Geometry and indentation of weaves
- Shape of tri-axial weaves can be smoothly tuned and predicted by varying the geodesic curvature of their ribbons.
- Optimization of ribbons curvature to map arbitrary 3D shapes.
- Smooth control of the indentation response via the boundary conditions and geometry of the ribbons.
Associated publications:
- C. Baek et al, Smooth triaxial weaving with naturally curved ribbons, PRL, 2021, 127(10), 104301, [doi]
- Y. Ren et al, 3D weaving with curved ribbons, ACM Transactions on Graphics, 2021, 40(4), 1-15, [doi]
- S. Poincloux et al, Indentation and stability of woven domes, EML, 2023, 59, 101968, [doi]