Search Results - "Proença, Sérgio"

THEORETICAL REFLECTION ON THE ROLE OF MIMESIS AS A CONCEPTUAL PRINCIPLE AND TYPE AS AN OPERATIONAL ONE by Monteiro, Cristiana, Proença, Sérgio, Dal Cin, Francesca

“…The article explores the concept of copy, type and invention, such as the mimesis as a design process. The research aims to emphasise the utility and…”
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Recovery strategies, a posteriori error estimation, and local error indication for second‐order G/XFEM and FEM by Bento, Murilo H. C., Proença, Sergio P. B., Duarte, C. Armando

“…This article presents a computationally efficient and straightforward to implement a posteriori error estimator for second‐order G/XFEM and FEM approximations…”
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Exploring novel mechanical metamaterials: Unravelling deformation mode coupling and size effects through second-order computational homogenisation by dos Santos, Wanderson F., Rodrigues Lopes, Igor A., Andrade Pires, Francisco M., Proença, Sergio P.B.

“…Architected materials and mechanical metamaterials are known for their unique macroscopic properties and complex behaviour that often defy conventional…”
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Second-order multi-scale modelling of natural and architected materials in the presence of voids: Formulation and numerical implementation by dos Santos, Wanderson F., Rodrigues Lopes, Igor A., Andrade Pires, Francisco M., Proença, Sergio P.B.

“…This contribution proposes a second-order computational homogenisation formulation for natural and architected materials in the presence of voids. The…”
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Modeling the initiation and propagation of complex networks of cracks in reinforced concrete plates by Cunha, Rafael N., Amorim, David L.N.F., Proença, Sergio P.B., Flórez-López, Julio

“…The present paper proposes a new finite element formulation for the analysis of RC slabs, accounting for concrete cracking and reinforcement yielding. The…”
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Modeling of localization using Nash variational formulations: The extended damage mechanics by Picón, Ricardo A., Santos, Danilo M., Teles, Daniel V.C., Amorim, David L.N.F., Zhou, Xuhong, Bai, Yongtao, Proença, Sergio P.B., Flórez-López, Julio

“…•This paper proposes an extension of the lumped damage mechanics for 2D solids.•Numerical extensometers characterize the thickness of localized bands in 2D…”
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Complete geometric representation of yield surfaces for porous ductile media by a 3D computational homogenization approach: an assessment of the Gurson yield criterion by dos Santos, Wanderson Ferreira, Ferreira, Ayrton Ribeiro, Proença, Sergio Persival Baroncini

“…The analytical criterion proposed by Gurson is an important reference for modeling the plastic behavior of porous ductile media. However, the Gurson model…”
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Isotropic yield surfaces for porous ductile materials: complete geometric representation by a computational homogenisation procedure by Santos, Wanderson Ferreira dos, Ferreira, Ayrton Ribeiro, Proença, Sergio Persival Baroncini

“…PurposeThe present paper aims to explore a computational homogenisation procedure to investigate the full geometric representation of yield surfaces for…”
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Splitting method and hybrid-Trefftz formulation for multisite damage analysis in two-dimensional domains by Argôlo, Higor Sérgio Dantas de, Proença, Sergio Persival Baroncini

“…The aim of this paper is to present a new strategy for multiple-site damage analysis by combining the splitting method and hybrid-Trefftz stress formulation in…”
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The extended lumped damage mechanics: A new formulation for the analysis of softening with FE size-independence by Amorim, David L.N.F., Piedade Neto, D., Proença, Sergio P.B., Flórez-López, Julio

“…•An innovative finite element formulation for localized damage is proposed.•It consists in an extension of the Lumped Damage Mechanics for 2D solids.•Virtual…”
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The Splitting Method and the GFEMin the Two-Dimensional Analysis of Linear Elastic Domains with Multiple Cracks by Cotta, Igor Frederico Stoianov, Proença, Sergio Persival Baroncini

“…Abstract The aim of this paper is to analyse two-dimensional linear elastic continuum containing multiple interacting cracks. Both the mechanical model and the…”
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An object-oriented class design for the generalized finite element method programming by Piedade Neto, Dorival, Ferreira, Manoel Dênis Costa, Proença, Sergio Persival Baroncini

“…The Generalized Finite Element Method (GFEM) is a numerical method based on the Finite Element Method (FEM), presenting as its main feature the possibility of…”
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“Não sou racista, mas...”: motivações linguísticas da proverbial retórica à brasileira para a negação do racismo by Paulo Sérgio de Proença

“…A expressão “não sou racista, mas...” é muito frequente nas redes sociais. Quem o utiliza é ou não racista? Este artigo analisa o valor linguístico e histórico…”
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A hybrid-Trefftz formulation for plane elasticity with selective enrichment of the approximations by de Souza, Charlton Okama, Proença, Sergio Persival Baroncini

“…This work is related to the so‐called non‐conventional finite element formulations. Essentially, a methodology for the enrichment of the initial approximation…”
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On the Time of Streets by Sérgio Barreiros Proença

“…The editorial examines the relation between streets and time through five interrelated Fragments. Fragment#1 focuses on the etymology of rua, highlighting its…”
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A contribution to the numerical nonlinear analysis of three-dimensional truss systems considering large strains, damage and plasticity by Driemeier, Larissa, Baroncini Proença, Sergio P., Alves, Marcı́lio

“…The objective of this paper is to present in detail theoretical and numerical aspects of the behavior of spatial trusses undergoing large displacements and…”
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Efficient and accurate stress recovery procedure and a posteriori error estimator for the stable generalized/extended finite element method by Lins, Rafael, Proença, Sergio Persival, Duarte, C. Armando

“…Summary This paper presents a new stress recovery technique for the generalized/extended finite element method (G/XFEM) and for the stable generalized FEM…”
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Simplified modeling of cracking in concrete: Application in tunnel linings by Amorim, David L.N. de F., Proença, Sergio P.B., Flórez-López, Julio

“…•A model based on lumped damage mechanics of collapse of tunnel linings is proposed.•The model is more efficient than the conventional approaches and quite…”
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Probabilistic Approach to Predict Cracking in Lightly Reinforced Microconcrete Panels by da Silva, Ana Rita C, Proença, Sergio P. B, Billardon, René, Hild, François

“…The ultimate strength of structures made of brittle materials-such as microconcrete-strongly depends on microstructural defects, the structure size, and the…”
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Street Rhythms in Dharavi: The Cyclical Flood Adaptation in Coastal Urban Slums by Anubhav Goyal, Sérgio Barreiros Proença

“…In developing countries, coastal urban slums are acknowledged as highly susceptible areas to the consequences of climate extremes. With a limited capacity to…”
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