Geometric imperfections and ultimate capacity analysis of a steel lattice transmission tower

J Wang, HN Li, X Fu, Q Li - Journal of Constructional Steel Research, 2021 - Elsevier
The effect of geometric imperfections on the decrease of the ultimate capacity of
transmission towers has not been sufficiently studied. Despite bucking mode-shaped …

Thermal post-buckling strength prediction and improvement of shape memory alloy bonded carbon nanotube-reinforced shallow shell panel: a nonlinear finite …

K Mehar, PK Mishra, SK Panda - Journal of …, 2021 - asmedigitalcollection.asme.org
This article reported first-time the post-buckling temperature load parameter values of
nanotube-reinforced polymeric composite panel and their improvement by introducing the …

NURBS-based isogeometric formulation for linear and nonlinear buckling analysis of laminated composite plates using constrained and unconstrained TSDTs

S Verma, A Gupta, R Prasad, D Oguamanam - Aerospace Science and …, 2024 - Elsevier
Two isogeometric plate models employing Reddy's third-order shear deformation theory
(TSDT) and unconstrained third-order shear deformation theory (UTSDT) are presented and …

Sensitivity analysis to geometrical imperfections in shell buckling via a mixed generalized path-following method

D Magisano, G Garcea - Thin-Walled Structures, 2022 - Elsevier
An efficient continuation method is proposed for a direct sensitivity analysis of the critical
point to geometrical imperfections, eg expressed as combination of given shapes, for thin …

Collaborative optimization of a composite pressure cylindrical shell based on dynamic penalty functions

M Wang, F Liu, J Zhang - Ocean Engineering, 2024 - Elsevier
This article reports the design and optimization of pressure cylindrical shells comprising
carbon/epoxy and glass/epoxy composite materials. It presents a method for analyzing the …

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 …

Influence of stiffening rings on imperfection sensitivity of hyperboloid steel cooling towers

X Zhi, G Song, Z Li, F Fan, X Jin - Structures, 2023 - Elsevier
Stiffening rings are necessary strengthening measures for steel cooling towers. Research on
the imperfection sensitivity of steel cooling towers considering different layout schemes of …

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 …

[HTML][HTML] Nonlinear dynamic analysis of geometrically imperfect multi-direction functionally graded graphene platelet reinforced composite plates with magneto-electro …

Y Tian, Q Li, Y Feng, W Gao - Applied Mathematical Modelling, 2025 - Elsevier
This study presents a semi-analytical method to investigate the nonlinear dynamic
responses of a geometrically imperfect multi-direction functionally graded graphene …

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 …