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Dive into the research topics where Ígor José Mendes Lemes is active.

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Featured researches published by Ígor José Mendes Lemes.


Revista IBRACON de Estruturas e Materiais | 2017

Análise numérica do comportamento não linear de estruturas mistas de aço e concreto

Ígor José Mendes Lemes; Andréa Regina Dias da Silva; Ricardo Azoubel da Mota Silveira; Paulo Anderson Santana Rocha

Resumo This paper presents the development of an effective numerical formulation for analysis of steel concrete composite structures considering geometric and materials nonlinear effects. Thus, a methodology based on Refined Plastic Hinge Method (RPHM) was developed and the stiffness parameters obtained by homogenization of cross section. The evaluation of structural elements strength is done through the Strain Compatibility Method (SCM). The Newton-Raphson method with path-following strategies is adopted to solve nonlinear global and local (in cross section level) equations. The results are compared with experimental and numerical database presents in literature and a good accuracy is observed in composite cross section, columns and portal frames.


Journal of Constructional Steel Research | 2018

Advanced inelastic analysis of steel structures at elevated temperatures by SCM/RPHM coupling.

Rafael Cesário Barros; Dalilah Pires; Ricardo Azoubel da Mota Silveira; Ígor José Mendes Lemes; Paulo Anderson Santana Rocha


ce/papers | 2017

05.36: An efficient approach to limiting the elastic range in advanced analysis of steel structures via RPHM

Ígor José Mendes Lemes; Rafael Cesário Barros; Everton A. P. Batelo; Ricardo Azoubel da Mota Silveira


XXXVIII Iberian-Latin American Congress on Computational Methods in Engineering | 2017

ADVANCED NONLINEAR ANALYSIS OF SHALLOW AND NON-SHALLOW STEEL ARCHES

Lidiane R. R. M. Deus; Ígor José Mendes Lemes; Jéssica Lorrany e Silva; Ricardo Azoubel da Mota Silveira


XXXVIII Iberian-Latin American Congress on Computational Methods in Engineering | 2017

Proposta de fomulação numérica não linear para a simulação do comportamento de estruturas de concreto armado

Ígor José Mendes Lemes; Rafael Cesário Barros; Jéssica Lorrany e Silva; Everton A. P. Batelo; Ricardo Azoubel da Mota Silveira


XXXVIII Iberian-Latin American Congress on Computational Methods in Engineering | 2017

Análise inelástica de segunda ordem de estruturas com seções transversais duplamente simétricas

Jéssica Lorrany e Silva; Ígor José Mendes Lemes; Ricardo Azoubel da Mota Silveira; Andréa Regina Dias da Silva


XXXVIII Iberian-Latin American Congress on Computational Methods in Engineering | 2017

Interaction Diagrams for Fire Exposed Structural Elements Sections by SCM

Dalilah Pires Maximiano; Rafael Cesário Barros; Ígor José Mendes Lemes; Ricardo Azoubel da Mota Silveira; Paulo Anderson Santana Rocha


XXXVIII Iberian-Latin American Congress on Computational Methods in Engineering | 2017

Análise numérica de pórticos mistos de aço e concreto com ligações semirrígidas

Ígor José Mendes Lemes; Jéssica Lorrany e Silva; Ricardo Azoubel da Mota Silveira; Andréa Regina Dias da Silva; Paulo Anderson Santana Rocha


Revista Interdisciplinar de Pesquisa em Engenharia - RIPE | 2017

INFLUÊNCIA DA TEORIA DE VIGA NA ANÁLISE GEOMETRICAMENTE NÃO LINEAR DE ESTRUTURAS RETICULADAS

Jéssica Lorrany e Silva; Ígor José Mendes Lemes; Ricardo Azoubel da Mota Silveira; Andréa Regina Dias da Silva


Revista Interdisciplinar de Pesquisa em Engenharia - RIPE | 2017

ANÁLISE DINÂMICA DE PÓRTICOS PLANOS DE AÇO COM DIFERENTES TIPOS DE LIGAÇÃO BASE-PILAR

Everton A. P. Batelo; Ígor José Mendes Lemes; Leticia Reis Batista Rosas; Andréa Regina Dias da Silva; Ricardo Azoubel da Mota Silveira

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Ricardo Azoubel da Mota Silveira

Pontifical Catholic University of Rio de Janeiro

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Paulo Anderson Santana Rocha

Universidade Federal de São João del-Rei

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Everton A. P. Batelo

Universidade Federal de Ouro Preto

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Dalilah Pires

Colorado School of Mines

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