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Domain decomposition methods with nonlinear localization for the buckling and post-buckling analyses of large structures

Advances in Engineering Software, 2014
The paper is focussed on the robustness of parallel computation in the case of buckling and post-buckling analyses. In the nonlinear context, domain decomposition methods are mainly used as a solver for the tangent problem solved at each iteration of a NewtonâRaphson algorithm.
O Allix, Pierre-Alain Guidault
exaly   +3 more sources

Nonlinear buckling mode transition analysis in nonlocal couple stress-based stability of FG piezoelectric nanoshells under thermo-electromechanical load

Mechanics of Advanced Materials and Structures, 2022
Smart materials and structures at the nanoscale represent the main components in manufacturing plan for nano-electromechanical systems. In this research study, an unconventional shell model based upon the nonlocal couple stress (NCS) continuum mechanics ...
Huazhong Liu, S. Sahmani, B. Safaei
semanticscholar   +1 more source

Nonlinear buckling analysis of a sandwich composite semi-ellipsoidal shell under hydrostatic pressure: A numerical and experimental investigation

Mechanics of Advanced Materials and Structures, 2022
In this study, nonlinear buckling response of composite sandwich semi-ellipsoidal shell subjected to uniform hydrostatic external pressure is investigated numerically and experimentally.
Venugopal Barathan, V. Rajamohan
semanticscholar   +1 more source

An analytical approach to the nonlinear buckling behavior of axially compressed auxetic-core cylindrical shells with carbon nanotube-reinforced coatings

Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 2021
Auxetic materials are usually designed as cores for structures subject to high impulse loads. Furthermore, the lightweight and high load capacity of the auxetic core construction is also an important advantage even for structures subjected to static ...
L. Ly   +7 more
semanticscholar   +1 more source

An analytical approach of nonlinear buckling behavior of longitudinally compressed carbon nanotube‐reinforced (CNTR) cylindrical shells with CNTR stiffeners in thermal environment

ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 2021
Nonlinear buckling and postbuckling of longitudinally compressed carbon nanotube‐reinforced (CNTR) cylindrical shells stiffened by longitudinal or circumferential CNTR stiffeners in thermal environments surrounded by elastic medium are presented in the ...
D. Dong   +8 more
semanticscholar   +1 more source

Thermomechanical Nonlinear Buckling of Pressurized Shear Deformable FGM Cylindrical Shells Including Porosities and Elastically Restrained Edges

, 2021
This work proposes an effective analytical solution to study the nonlinear buckling of functionally graded material (FGM) porous cylindrical shells subjected to external pressure and elevat...
V. T. Long, H. Tung
semanticscholar   +1 more source

Nonlinear buckling and post-buckling response of stiffened FGM plates in thermal environments

Composites Part B: Engineering, 2017
Maciej Taczała, Ryszard Buczkowski
exaly   +2 more sources

Couple stress-based nonlinear buckling analysis of hydrostatic pressurized functionally graded composite conical microshells

, 2020
The present study deals with the size-dependent nonlinear buckling characteristics of conical microshells made of functionally graded (FG) composite materials under uniform hydrostatic pressure based upon the modified couple stress theory of elasticity ...
Yuan Yuan   +4 more
semanticscholar   +1 more source

Nonlinear Buckling and Stability of Cylindrical Panels

SIAM Journal on Mathematical Analysis, 1979
The problem of the buckling of a simply supported thin, elastic, cylindrical panel subjected to a uniform axial compression is studied by constructive methods. In the case of “narrow” panels we obtain near the classical buckling load $\lambda _1 $ a description of all stable and unstable buckled states which branch from the unbuckled state at $\lambda ...
Knightly, George H., Sather, D.
openaire   +1 more source

Dynamic Buckling of a Nonlinear Timoshenko Beam

SIAM Journal on Applied Mathematics, 1979
The transient motion that results when an ended-loaded column buckles is studied using a nonlinear Timoshenko beam theory. The two-time method is used to construct an asymptotic expansion of the solution. The results are then compared with those of a previous analysis of the same problem that employed the Euler-Bernoulli beam theory.
Hirschhorn Sapir, Marilyn   +1 more
openaire   +2 more sources

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