[HTML][HTML] Evaluation of the P-Δ (P-Delta) effect in columns and frames using the two-cycle method based on the solution of the beam-column differential equation

RB Burgos, LE Silva - MethodsX, 2023 - Elsevier
P-Delta is a nonlinear phenomenon that results from the consideration of axial loads acting
on the deformed configuration of a member of the structure, usually a beam-column. This …

An Improved Formulation and Analysis of Reddy Beam Model for Framed Structures

MAC Rodrigues, LF Martha, JN Reddy… - Latin American Journal …, 2024 - SciELO Brasil
A structural analysis of framed structures using the finite element method considering both
the Bernoulli-Euler and the Timoshenko beam theories can be performed adopting cubic …

A unified three-dimensional nonlinear mixed formulation with analytical interpolation functions for slender column analysis

MAC Rodrigues, RB Burgos, X Du, J Hajjar… - Engineering …, 2025 - Elsevier
This study presents a unified three-dimensional mixed-element formulation using analytical
interpolation functions for the geometric nonlinear analysis of slender columns using one …

A Simple Frame Element for Large Rotations

G Abdelrhim, P Grassl - Available at SSRN 4850146, 2024 - papers.ssrn.com
A simple three-dimensional Timoshenko frame element for large rotations is proposed for
the modelling of progressive collapse of structures. The element is formulated in a total …

[PDF][PDF] Implementing Steel Design in Educational Software: The Linear Elements Structure Model Program

AP Pitanga, LF Martha, LC Mesquita, RJL Assunção… - researchgate.net
The Linear Elements Structure Model, or LESM for short, is a user-friendly, free-to-use, and
opensource educational software for the structural analysis of models composed of linear …