[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 …

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 …

[PDF][PDF] Corotational Stiffness Matrices for 2D Frame Elements

RL Rangel - 2023 - researchgate.net
In this work, the tangent stiffness matrix for the geometrically nonlinear analysis of a two-
dimensional frame element subjected to large displacements and rotations, but small …

[PDF][PDF] ANÁLISE ESTÁTICA GEOMETRICAMENTE NÃO LINEAR DE PÓRTICOS PLANOS CONSTITUÍDOS POR MEMBROS NÃO PRISMÁTICOS

AG Quintino, M Greco - researchgate.net
Análises estáticas geometricamente não lineares de estruturas reticuladas, realizadas
através do método dos elementos finitos exigem que uma discretização adequada dos …

[PDF][PDF] Corotational stiffness matrices for 2D truss elements

RL Rangel - researchgate.net
In this work, the tangent stiffness matrix for the geometrically nonlinear analysis of a two-
dimensional truss element subjected to large displacements and rotations, and potentially …

A Unified Three-Dimensional Nonlinear Mixed Formulation with Analytical Interpolation Functions for Slender Column Design

MAC Rodrigues, RB Burgos, X Du, J Hajjar… - Available at SSRN … - papers.ssrn.com
This study presents a unified three-dimensional mixed-element formulation using analytical
interpolation functions for the geometric nonlinear analysis of slender columns using one …

[PDF][PDF] Structural analysis with nonlinear behavior: The importance of going beyond the line

DB Cavalcanti, RL Rangel… - XLIII Ibero-Latin …, 2022 - publicacoes.softaliza.com.br
This work discusses the importance of numerical methods in structural analysis. It deals
specifically with the analysis of frame structures where geometric and material nonlinearity is …