2013
DOI: 10.1590/s0370-44672013000300003
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Abstract: Esse trabalho apresenta uma nova ferramenta computacional, para análise avançada estática e dinâmica de estruturas de aço reticuladas planas, desenvolvida com base no Método dos Elementos Finitos. Duas fontes de não linearidades são consideradas nas análises: a geométrica, que considera os efeitos da deslocabilidade da estrutura; e a física, causada, principalmente, pelas características mecânicas dos materiais utilizados na construção civil. Imperfeições relacionadas com o carregamento, geometria do sistema e… Show more

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Cited by 2 publications
(1 citation statement)
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“…The additional effects are called second-order effects (2 nd order), which must be determined considering materials' nonlinear behavior and deformed configuration in equilibrium analysis [1], [2]. These considerations are denominated physical and geometric nonlinear analysis [3]. Total efforts are, then, equal to the sum of 1 st and 2 nd order efforts'.…”
Section: Introductionmentioning
confidence: 99%
“…The additional effects are called second-order effects (2 nd order), which must be determined considering materials' nonlinear behavior and deformed configuration in equilibrium analysis [1], [2]. These considerations are denominated physical and geometric nonlinear analysis [3]. Total efforts are, then, equal to the sum of 1 st and 2 nd order efforts'.…”
Section: Introductionmentioning
confidence: 99%