Results 51 to 60 of about 3,671 (216)

Higher‐Order, Mixed‐Hybrid Finite Elements for Kirchhoff–Love Shells

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 126, Issue 21, 15 November 2025.
ABSTRACT A novel mixed‐hybrid method for Kirchhoff–Love shells is proposed that enables the use of classical, possibly higher‐order Lagrange elements in numerical analyses. In contrast to purely displacement‐based formulations that require higher continuity of shape functions as in isogeometric analysis (IGA), the mixed formulation features ...
Jonas Neumeyer   +2 more
wiley   +1 more source

Tension chord model for CFRP‐prestressed structural concrete

open access: yesStructural Concrete, Volume 26, Issue 5, Page 6576-6593, October 2025.
Abstract This paper introduces a mechanical model for steel‐reinforced concrete prestressed with bonded CFRP rods and presents the findings of an experimental campaign conducted to validate the model. The study is part of a project aiming at developing a railway bridge system in Switzerland that utilizes stainless steel reinforcing bars combined with ...
Andreas Näsbom   +3 more
wiley   +1 more source

Locking Free Quadrilateral Continuous/Discontinuous Finite Element Methods for the Reissner-Mindlin Plate

open access: yes, 2013
We develop a finite element method with continuous displacements and discontinuous rotations for the Mindlin-Reissner plate model on quadrilateral elements.
Hansbo, Peter, Larson, Mats G.
core   +1 more source

Stabilised finite element methods for a bending moment formulation of the Reissner-Mindlin plate model [PDF]

open access: yes, 2014
This work presents new stabilised finite element methods for a bending moments formulation of the Reissner-Mindlin plate model. The introduction of the bending moment as an extra unknown leads to a new weak formulation, where the symmetry of this ...
Barrenechea, Gabriel R.   +2 more
core   +1 more source

A Cluster Mean Approach for Topology Optimization of Natural Frequencies and Bandgaps With Simple/Multiple Eigenfrequencies

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 126, Issue 17, 15 September 2025.
ABSTRACT This study presents a novel approach utilizing cluster means to address the non‐differentiability issue arising from multiple eigenvalues in eigenfrequency and bandgap optimization. This study builds upon the method proposed by Zhang et al., extending it to eigenfrequency topology optimization using bound formulations.
Shiyao Sun, Kapil Khandelwal
wiley   +1 more source

On a classical spectral optimization problem in linear elasticity

open access: yes, 2014
We consider a classical shape optimization problem for the eigenvalues of elliptic operators with homogeneous boundary conditions on domains in the $N$-dimensional Euclidean space.
B Kawohl   +18 more
core   +1 more source

Locking-free discontinuous finite elements for the upper bound yield design of thick plates [PDF]

open access: yes, 2015
International audienceThis work investigates the formulation of finite elements dedicated to the upper bound kinematic approach of yield design or limit analysis of Reissner-Mindlin thick plates in shear-bending interaction.
Bleyer, Jérémy   +2 more
core   +4 more sources

Multi‐Physically Programmable Tubular Origami Metamaterials: Exploitable Nexus of Geometry, Folding Mechanics and Stimuli‐Responsive Physics

open access: yesAdvanced Science, Volume 12, Issue 36, September 25, 2025.
This article presents an insightful review on the exploitable nexus of geometry, folding mechanics and stimuli‐responsive physics for achieving active programmability in tubular origami metamaterials and metastructures, highlighting the broad‐spectrum potential in innovative applications across the length scales, along with critically analysing the ...
A. Sharma, S. Naskar, T. Mukhopadhyay
wiley   +1 more source

Monitoring of Corrosion Damage by Using iFEM Methodology

open access: yesInternational Journal of Mechanical System Dynamics, Volume 5, Issue 3, Page 495-517, September 2025.
ABSTRACT Marine environment is a harsh environment that can cause major issues for marine structures while operating in this environment, including fatigue cracking and corrosion damage, which can yield catastrophic consequences, such as human life losses, financial losses, environmental pollution, and so forth.
Yildirim Dirik   +2 more
wiley   +1 more source

Hierarchic finite elements for thin plates and shells

open access: yesComputer Assisted Methods in Engineering and Science, 2023
We consider the numerical approximation of thin plate and shell structures. The plate model is described following the Reissner-Mindlin assumptions while the shell is described using the Naghdi formulation.
Claudia Chinosi   +2 more
doaj  

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