Buckling problems of thin elastic shells [PDF]
Компьютерные исследования и моделирование, 2018 The article covers several mathematical problems relating to elastic stability of thin shells in view of inconsistencies that have been recently identified between the experimental data and the predictions based on the shallow- shell theory.
V. A. Grachev, Yu. S. Nayshtut
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Limit-point buckling analyses using solid, shell and solid–shell elements [PDF]
, 2011 In this paper, the recently-developed solid-shell element SHB8PS is used for the analysis of a representative set of popular limit-point buckling benchmark problems.
Farid Abed-Meraim +4 more
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Helical buckling of thin rods: FE modelling
MATEC Web of Conferences, 2018 In this paper, we utilize the Finite Element (FE) method to model twisting of long thin rods and capture the bifurcation scenarios leading to heli- cal buckling and various further post-buckling states.
Kapitaniak Marcin +2 more
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Numerical and Analytical Investigation of Stability of the Reinforced Plate
Communications, 2021 The work is aimed at the construction of an algorithm for studying the equilibrium states of a reinforced plate near critical points, using the first (cubic terms) nonlinear terms of the potential energy expansion.
Gaik A. Manuylov +2 more
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Active Metamaterials with Tunable Shear Nonreciprocity and Nonlinear Dynamics. [PDF]
Adv Sci (Weinh)Active gear‐based mechanical metamaterials enable simultaneous control of translational and torsional stiffnesses by 30–100×, break shear reciprocity under positive versus negative loads, broadly tune resonant frequencies, and offer programmable dynamic responses.
Fang X, Yu M, Yu D, Cheng L.
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Automated classification of linear bifurcation buckling eigenmodes in thin-walled cylindrical shell structures [PDF]
, 2022 Computational problems in structural engineering are growing ever larger and solutions must increasingly be based on correspondingly large datasets obtained from detailed parametric sweeps.
Sadowski, Adam
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Post-Buckling Behaviour of Steel Structures with Different Types of Imperfections
Applied Sciences, 2022 In this paper, the stability of steel members with a complex initial geometrical imperfection pattern are analysed. This issue is extremely important in the case of slender structures, characterised by multiple close critical loads and modal interactions,
Katarzyna Rzeszut
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Nonlinear Static Stability of Imperfect Bio-Inspired Helicoidal Composite Beams
Mathematics, 2022 The objective of this manuscript is to develop, for the first time, a mathematical model for the prediction of buckling, postbuckling, and nonlinear bending of imperfect bio-inspired helicoidal composite beams with nonlinear rotation angle.
Nazira Mohamed +2 more
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Developing and Investigation the Numerical Efficiency of Modified Energy Method in Solid Mechanics With Geometric Nonlinearity and Bifurcation Points [PDF]
Journal of Structural and Construction Engineering, 2021 Geometric nonlinear analyses are used in many structural problems, such as the determination of failure load, as well as the study of buckling mechanism.
Ahmad Razaghi +2 more
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Efficient handling of stability problems in shell optimization by asymmetric ‘worst-case’ shape imperfection [PDF]
, 2008 The paper presents an approach to shape optimization of proportionally loaded elastic shell structures under stability constraints. To reduce the stability-related problems, a special technique is utilized, by which the response analysis is always ...
Brank, Boštjan +3 more
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