Research on nonlinear, postbuckling and elasto-plastic analyses of framed structures and curved beams

YB Yang, A Chen, S He - Meccanica, 2021 - Springer
Nonlinear analysis of structures is an effective way for predicting the bearing capacity or
ultimate strength of a structure. This paper will review researches on the nonlinear, buckling …

Constrained buckling of variable length elastica: Solution by geometrical segmentation

A Liakou, E Detournay - International Journal of Non-Linear Mechanics, 2018 - Elsevier
The paper proposes a method to analyze the post-buckling response of a planar elastica
subjected to unilateral constraints. The method rests on assuming a deformed shape of the …

Isogeometric rotation-free analysis of planar extensible-elastica for static and dynamic applications

F Maurin, L Dedè, A Spadoni - Nonlinear Dynamics, 2015 - Springer
Finite deformations of planar slender beams for which shear strain can be neglected are
described by the extensible-elastica model, where the strain-displacement relation is …

Post-Buckling Behavior of Variable-Arc-Length Elastica Pipe Conveying Fluid Including Effects of Self-weight and Pressure Variation

P Hathaipichitchai, K Klaycham… - International Journal of …, 2024 - Elsevier
This paper investigated the post-buckling behaviors of a variable-arc-length (VAL) elastica
pipe caused by internal transporting fluid motion, accounting for the effects of the self-weight …

Sign problems in elliptic integral solution of planar elastica theory

W Xianheng, W Mu, Q Xinming - European Journal of Mechanics-A/Solids, 2023 - Elsevier
Elastica theory studies large deformation of slender beams and rods. The elliptic integral
solution (EIS) is an accurate and efficient theoretical solution to elastica problem. However …

Geometrically nonlinear analysis of functionally graded Timoshenko curved beams with variable curvatures

ZQ Wan, SR Li, HW Ma - Advances in Materials Science and …, 2019 - Wiley Online Library
In this paper, geometrically nonlinear analysis of functionally graded curved beams with
variable curvatures based on Timoshenko beam theory is presented. Considering the axial …

The approximate solutions of large deflection of a cantilever beam under a point load

B Meng, C Lian, J Zhang, H Jing… - Mathematical …, 2023 - Wiley Online Library
By integrating the physical and time domains with the Galerkin method and adopting
approximate solutions satisfying the boundary conditions, a set of algebraic equations of …

[HTML][HTML] A theory for rubber-like rods

RF Yükseler - International Journal of Solids and Structures, 2015 - Elsevier
A theory for incompressible rubber-like straight rods undergoing finite strains and finite
rotations is presented. Strains are expanded asymptotically for transverse coordinate of …

Critical points for variable length elastica with a fixed point constraint under displacement control

Q Wang, HL Zou, ZC Deng - Journal of Applied …, 2020 - asmedigitalcollection.asme.org
This paper studies a variable length elastica with a fixed point constraint by an assembly
method that regards the whole elastica as an assembly of two components, ie, pinned …

A new beam element for analysis of planar large deflection

M Sharifnia - Journal of the Brazilian Society of Mechanical Sciences …, 2018 - Springer
In the present study, a simple and efficient finite element approach is presented for large
deflection analysis of both the straight and curved Euler–Bernoulli beams in the planar static …