@ARTICLE{Gawryluk_Jarosław_Stability_2023, author={Gawryluk, Jarosław}, volume={vol. 70}, number={No 1}, journal={Archive of Mechanical Engineering}, pages={43-61}, howpublished={online}, year={2023}, publisher={Polish Academy of Sciences, Committee on Machine Building}, abstract={The aim of this study was to determine how the change of glass laminate fibres to flax fibres will affect the stability of thin-walled angle columns. Numerical analyses were conducted by the finite element method. Short L-shaped columns with different configurations of reinforcing fibres and geometric parameters were tested. The axially compressed structures were simply supported on both ends. The lowest two bifurcation loads and their corresponding eigenmodes were determined. Several configurations of unidirectional fibre arrangement were tested. Moreover, the influence of a flange width change by ±100% and a column length change by ±33% on the bifurcation load of the compressed structure was determined. It was found that glass laminate could be successfully replaced with a bio-laminate with flax fibres. Similar results were obtained for both materials. For the same configuration of fibre arrangement, the flax laminate showed a lower sensitivity to the change in flange width than the glass material. However, the flax laminate column showed a greater sensitivity to changes in length than the glass laminate one. In a follow-up study, selected configurations will be tested experimentally.}, type={Article accepted}, title={Stability of the thin-walled angle column made of bio-laminate versus glass-laminate under axial compression – numerical study}, URL={http://journals.pan.pl/Content/126127/PDF/AME_2023_144815.pdf}, doi={10.24425/ame.2023.144815}, keywords={bio-laminates, buckling, thin-walled structures, FEM, eigenproblem}, }