Differential formulation and numerical solution for elastic arches with variable curvature and tapered cross-sections

J Melchiorre, A Manuello, F Marmo… - European Journal of …, 2023 - Elsevier
In this paper, an alternative analytical and numerical formulation is presented for the solution
of a system of static and kinematic ordinary differential equations for curved beams. The …

Corotational force-based beam finite element with rigid joint offsets for 3D framed structures

P Di Re, D Addessi, C Gatta, L Parente… - Computer Methods in …, 2024 - Elsevier
In numerical analysis of frame structures, modeling of the connection between structural
members often requires the introduction of rigid end offsets to correctly describe the stiffness …

Nonlinear vibrational analysis and linearization error investigation in size-dependent resonant pressure microsensors

A Karimzadeh, M Rahaeifard - Mechanics Based Design of …, 2024 - Taylor & Francis
Dynamic and vibrational behavior of nonlinear resonant pressure micro sensors is studied in
this paper using a proposed dynamic model. The basic part of the device is a microplate …

[PDF][PDF] Second-order analysis of beam-columns by machine learning-based structural analysis through physics-informed neural networks

L Chen, HY Zhang, SW Liu, SL Chan - Advanced Steel Construction, 2023 - ascjournal.com
Numerical solutions using machine learning have seen drastic development in recent years,
largely due to the advancement in Artificial Intelligence (AI) chips, especially the advent of …

[HTML][HTML] Finite difference technique for the evaluation of the transverse displacements in force-based beam finite elements

P Di Re, DMB Sanchez - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
In force-based beam finite elements, cross-section transverse displacements are often
needed for post-processing purposes and for geometrically nonlinear structural analysis …

Exact geometric nonlinear analysis of frames modeled with nonprismatic shear-deformable elements defined by noncentroidal axes

FC de Araújo, P Mageveske, R Degenhardt - Engineering Structures, 2025 - Elsevier
This paper provides an explicit closed-form expression for geometric-stiffness coefficients for
nonprismatic frame elements defined by their noncentroidal axes. The proposed formulation …

An isogeometric Timoshenko curved beam element with an enhanced representation of concentrated loads

E Dvořáková, B Patzák - Computers & Structures, 2022 - Elsevier
Isogeometric analysis directly employs CAD geometry representation. This approach is very
convenient for the analysis of curved beams, since the arbitrarily-curved beams can be …

Performance analysis of bimodular simply supported beams based on the deformation decomposition method

D Wang, H Xu, P Sun - Mechanics of Advanced Materials and …, 2023 - Taylor & Francis
A deformation decomposition method is proposed to study the basic deformation
performance of bimodular simply supported beams, which is validated by the finite element …

Flexibility Matrix and Stiffness Matrix of 3D Curved Beam with Varying Curvature and Varying Cross-Sectional Area using Finite Displacement Transfer Method

AG Hansora, HS Patel - Journal of Computational Applied …, 2023 - jcamech.ut.ac.ir
Curved beams are widely used in combination with the linear elements of various civil
engineering structures. Many researchers attempted to analyze beam curved in plan, beam …

The influence of the inclination of lattice columns on the safety of combined tower crane

Y Wang, T Li, K Dong, Z Guo… - Advances in Civil …, 2022 - Wiley Online Library
The combined tower crane foundation is widely used in construction sites due to its
advanced utilization rate. However, the immature construction method, unavoidable …