Search Results - "Gomes, Wellison José de Santana"

A comparison of deterministic, reliability-based and risk-based structural optimization under uncertainty by Beck, André Teófilo, Gomes, Wellison José de Santana

“…In this paper, the effects of uncertainty and expected costs of failure on optimum structural design are investigated, by comparing three distinct formulations…”
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Structural Reliability Methods Applied in Analysis of Steel Elements Subjected to Fire by Ricardo, Alverlando Silva, de Santana Gomes, Wellison José

“…AbstractThe accuracy and efficiency of an approach using surrogate models are investigated, in comparison with traditional structural reliability methods, in…”
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Hybrid MCS-FORM approach to solve inverse fracture mechanics reliability problems by Gomes, Wellison José de Santana, Garmbis, Alexandre Galiani, Beck, André Teófilo

“…Classical approaches to inverse reliability analysis, and to reliability-based design optimization, require evaluation of limit state gradients. This can be an…”
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Structural reliability analysis of redundant systems considering global structural responses and using Kriging surrogate models by Milanez, Mariana Ortolan, Gomes, Wellison José de Santana

“…Structural reliability analysis of redundant systems in engineering practice is a demanding task. Besides the computational cost associated with performance…”
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Global structural optimization considering expected consequences of failure and using ANN surrogates by Gomes, Wellison José de Santana, Beck, André Teófilo

“…► Challenges in solving real structural optimization problems discussed. ► Minimum cost only achieved by considering expected consequences of failure (risk). ►…”
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A conservatism index based on structural reliability and model errors by Gomes, Wellison José de Santana, Beck, André Teófilo

“…•A conservatism index is proposed based on structural reliability theory.•The index requires the same data employed for computing model error statistics.•The…”
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Efficient Runge–Kutta solver for stochastic crack growth analysis by Gomes, Wellison José de Santana, Beck, André Teófilo, Garmbis, Alexandre Galiani

“…Stochastic crack growth analysis by simulation may easily require a significant amount of computational effort. The Initial Value ordinary differential…”
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Optimal configuration of RC frames considering ultimate and serviceability limit state constraints by Juliani, Marcela Alejandra, Gomes, Wellison José de Santana

“…Abstract Most current structural design codes are based on the concept of limit states, that is, when a structure fails to meet one of its purposes, it is said…”
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Stochastic fracture mechanics using polynomial chaos by Beck, André Teófilo, Gomes, Wellison José de Santana

“…Crack propagation in metals has long been recognized as a stochastic process. As a consequence, crack propagation rates have been modeled as random variables…”
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Machine learning models to predict the punching shear strength of reinforced concrete flat slabs by Silva Júnior, Francisco Eudázio Suriano da, Gomes, Wellison José de Santana

“…Punching shear failure is caused by shear stress concentration in the slab-column connection of reinforced concrete flat slabs. As it is a brittle failure, it…”
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