Collapse probability and resistance factor calibration of 2D steel frames under gravity loads

Autor: Danilo Luiz Santana Mapa, Marcilio Sousa da Rocha Freitas, Ricardo Azoubel da Mota Silveira

Publikováno v: REM: International Engineering Journal, Vol 76, Iss 3, Pp 239-246 (2023)

Abstract The current advanced analysis techniques for steel frames generally use structural analyses with geometric and material nonlinearities to capture the collapse strength of the steel frame. Unfortunately, the true strength of a steel frame can

Externí odkaz: https://doaj.org/article/ae8d4a90e42c4b87a36375cef2329552

Numerical fundamentals and interactive computer graphics system for the nonlinear analysis of planar frames

Autor: Murillo Vinícius Bento Santana, Ricardo Azoubel da Mota Silveira

Publikováno v: REM: International Engineering Journal, Vol 72, Iss 2, Pp 199-207

Abstract Recent scientific and computational advances have facilitated the analysis of slender structural systems subject to instability. With the employment of more sophisticated numerical tools and algorithms, it is possible to accurately determine

Externí odkaz: https://doaj.org/article/a08eb73b26864703b6596c2a48007260

Inelastic second-order analysis of steel columns under minor-axis bending

Autor: Gilney Afonso Gonçalves, Ricardo Azoubel da Mota Silveira, Andréa Regina Dias da Silva, Jéssica Lorrany Silva

Publikováno v: REM: International Engineering Journal, Vol 72, Iss 3, Pp 405-414

Abstract The inelastic second-order behavior of steel structural columns under minor-axis bending is presented in this article. To study this behavior, a nonlinear frame element formulation is adopted in which the steel's plasticity process is accomp

Externí odkaz: https://doaj.org/article/0ac65578341d40e0820193904d22fc55

Comparison between recent implicit time integration methods with frequency dissipation for nonlinear structural applications

Autor: William Luiz Fernandes, Gustavo Botelho Barbosa, Marcelo Greco, Ricardo Azoubel da Mota Silveira

Publikováno v: Latin American Journal of Solids and Structures v.19 n.3 2022
Latin American journal of solids and structures
Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM)
instacron:ABCM
Latin American Journal of Solids and Structures, Volume: 19, Issue: 3, Article number: e441, Published: 04 MAY 2022

The present paper aims to test recent (Truly self-starting two sub-step method and three-parameter single-step implicit method) and classical (Generalized-α, HHT-α, and WBZ-α methods) time integration methods using the geometrically nonlinear Posi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::552b1fd75d2121fa93c42ef6559c6936
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252022000300506

Advanced Numerical Study of Composite Steel‐Concrete Structures at High Temperature

Autor: Ígor José Mendes Lemes, Dalilah Pires, Ricardo Azoubel da Mota Silveira, Rafael Cesário Barros

Publikováno v: ce/papers. 4:1421-1428

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b63469cf44601b69ce169ee62dfb0df
https://doi.org/10.1002/cepa.1440