[HTML][HTML] New robust and efficient global iterations for large deformation finite element analysis of beams and shells with material nonlinearity
D Magisano, A Corrado - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
In large rotation analyses of beams and shells with displacement-based discretization, the
iterative burden grows considerably with the membrane/flexural stiffness ratio. For linear …
iterative burden grows considerably with the membrane/flexural stiffness ratio. For linear …
[HTML][HTML] A variationally consistent contact formulation based on a mixed interpolation point method and isogeometric discretization
This work enhances the robustness of the standard displacement-based (penalty Gauss-
point-to-segment) contact formulation by applying the so-called Mixed Interpolation Point …
point-to-segment) contact formulation by applying the so-called Mixed Interpolation Point …
[HTML][HTML] The influence of manufacturing on the buckling performance of thin-walled, channel-section CFRP profiles—An experimental and numerical study
The aim of this study is to investigate the influence of manufacturing on the buckling and
post-buckling behaviour of thin-walled, columns made from CFRP. Static compression was …
post-buckling behaviour of thin-walled, columns made from CFRP. Static compression was …
Imperfection sensitivity study of the thermal–mechanical buckling of laminated composite cylinders using a novel reduced-order modeling method
K Liang, Z Wang - Thin-Walled Structures, 2023 - Elsevier
Laminated composite cylinders subjected to axial compression exhibit the “snap-back”
response, the buckling load of which is very sensitive to initial geometric imperfections. An …
response, the buckling load of which is very sensitive to initial geometric imperfections. An …
Adsorption/Ozonation integration for intensified ethyl acetate plant wastewater treatment: Process optimization and sensitivity analysis assessment
For the first time, the ethyl acetate production plant wastewater was treated using a batch
adsorption/ozonation integrated process. The wastewater contained alcoholic pollutants …
adsorption/ozonation integrated process. The wastewater contained alcoholic pollutants …
A novel and highly efficient strategy to determine the 'Worst'imperfection shape for buckling of cylindrical shell panels
K Liang, Z Li - Applied Mathematical Modelling, 2022 - Elsevier
The cylindrical shell panels subjected to in-plane compression experience more complex
snap-back behavior associated with sharp turning around the limit-point load. The initial …
snap-back behavior associated with sharp turning around the limit-point load. The initial …
Prediction of geometrically nonlinear behavior for the strength optimization of composite laminates using attention-based Seq2Seq model
Y Hu, K Fan, Y Zhang, Q Liu, X Li, Z Huang - Computer Methods in Applied …, 2024 - Elsevier
Nonlinear optimization of the composite laminate possesses a prohibitive computational
cost due to the frequent and time-consuming nonlinear analysis. To address this issue, the …
cost due to the frequent and time-consuming nonlinear analysis. To address this issue, the …
Postbuckling behaviour of anisotropic shear deformable laminated cylindrical shells with general imperfection distribution subjected to torsion
ZM Li, T Liu, D Yang, P Qiao - Thin-Walled Structures, 2024 - Elsevier
Composite cylindrical shells belong to typical basic structure in engineering, whose buckling
and postbuckling behaviours determine the stability and safety of overall structures under …
and postbuckling behaviours determine the stability and safety of overall structures under …
Increasing the buckling capacity with modal geometric “imperfections” designed by a reduced order model
D Magisano, G Garcea - Thin-Walled Structures, 2022 - Elsevier
Not all imperfections are detrimental in buckling problems. A recent design paradigm,
termed modal nudging, utilizes geometric “imperfections” with negligible self-weight change …
termed modal nudging, utilizes geometric “imperfections” with negligible self-weight change …
A hybrid path-following approach for constrained nonlinear-buckling optimization of variable stiffness composite shells with shape imperfections
Y Hu, Z Huang, K Fan, Q Liu, X Li, F Xiong - Thin-Walled Structures, 2024 - Elsevier
Nonlinear buckling optimization of variable stiffness (VS) composite shells is
computationally expensive due to frequent nonlinear analyses. Although the generalized …
computationally expensive due to frequent nonlinear analyses. Although the generalized …