Search Results - "De Sousa, José. M."

Evaluation of U-Notch and V-Notch Geometries on the Mechanical Behavior of PVDF: The DIC Technique and FEA Approach by Pereira, Ingrid C S, de Sousa, José Renato M, Costa, Celio A

“…The notch effect of semicrystalline PVDF was investigated using U- and V-notch geometries with different depths, and tensile tests were performed at 23 °C…”
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Exploring the elastic properties and fracture patterns of Me-graphene monolayers and nanotubes through reactive molecular dynamics simulations by Pereira, Marcelo L., De Sousa, José. M., Brandão, Wjefferson H.S., Galvão, Douglas. S., Fonseca, Alexandre F., Ribeiro, Luiz A.

“…Me-graphene (MeG) is a novel two-dimensional (2D) carbon allotrope. Due to its attractive electronic and structural properties, it is important to study the…”
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A Theoretical Approach to Predict the Fatigue Life of Flexible Pipes by Sagrilo, Luís V. S., de Siqueira, Marcos Q., de Sousa, Fernando J. M., de Sousa, José Renato M., de Lemos, Carlos Alberto D.

“…This paper focuses on a theoretical approach to access the fatigue life of flexible pipes. This methodology employs functions that convert forces and moments…”
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High Pressure in Boron Nitride Nanotubes for Kirigami Nanoribbon Elaboration by Silva-Santos, Silvio D, Impellizzeri, Anthony, Aguiar, Acrisio L, Journet, Catherine, Dalverny, Charline, Toury, Bérangère, De Sousa, José M, Ewels, Chris P, San-Miguel, Alfonso

“…Cutting and folding 2D systems is one of the explored paths to tune physical and chemical properties in one-atom-thick matter. Contrary to graphene, boron…”
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A Study on the Holding Capacity Safety Factors for Torpedo Anchors by Porto, Elisabeth C., Lima, Edison C. P., de Sousa, José Renato M., Sagrilo, Luís V. S., Fernandes, Jane V. V.

“…The use of powerful numerical tools based on the finite-element method has been improving the prediction of the holding capacity of fixed anchors employed by…”
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Poly-dodecahedrane: A new allotrope of carbon by Hasanvandi, Siavash, Neisi, Elham, De Sousa, José M.

“…[Display omitted] •With an increase in the number of dodecahedrane units, the cohesive energy (Ecoh) increases, while the Gibbs free energy decreases.•The…”
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Temperature Effects on the Fracture Dynamics and Elastic Properties of Popgraphene Membranes by Pereira Júnior, Marcelo L., Ribeiro Júnior, Luiz A., Brandão, Wjefferson H. S., Aguiar, Acrisio L., Galvão, Douglas S., Sousa, José M.

“…Popgraphene (PopG) is a new 2D planar carbon allotrope which is composed of 5–8–5 carbon rings. PopG is intrinsically metallic and possesses excellent thermal…”
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A modal finite element approach to predict the lateral buckling failure of the tensile armors in flexible pipes by Gonzalez, Gabriel M., de Sousa, José Renato M., Sagrilo, Luis V.S.

“…This paper proposes a finite element (FE) modal approach to determine the critical loads and buckling mode shapes associated with the lateral buckling of the…”
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Structural response of a flexible pipe with damaged tensile armor wires under pure tension by de Sousa, José Renato M., Campello, George C., Kwietniewski, Carlos Eduardo F., Ellwanger, Gilberto B., Strohaecker, Telmo R.

“…This article studies the structural response of a 6.0” flexible pipe under pure tension considering intact and damaged conditions. In the damaged condition,…”
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Scale Effects on the Ballistic Penetration of Graphene Sheets by Bizao, Rafael A., Machado, Leonardo D., de Sousa, Jose M., Pugno, Nicola M., Galvao, Douglas S.

“…Carbon nanostructures are promising ballistic protection materials, due to their low density and excellent mechanical properties. Recent experimental and…”
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Structural behavior assessment of a flexible pipe under axial compressive loads using digital image correlation by Amarante, Rodrigo M., Pesce, Celso P., Santiago, Rafael C., Ramos, Roberto, de Sousa, José Renato M., Rabelo, Marcos A.

“…Due to compressive loads, offshore flexible pipes may exhibit global and local instabilities and as a consequence structural failures. This work presents an…”
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Numerical and semi-empirical models for the stress analysis of flexible pipes tensile armors terminations within end-fittings by Miyazaki, Marcelo N.R., de Sousa, José Renato M., Ellwanger, Gilberto B.

“…•Stresses in the hook and pigtail terminations of flexible pipes’ tensile armors were assessed with finite element models.•Tensile armors with hooks are pulled…”
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On the extensional-torsional response of a flexible pipe with damaged tensile armor wires by de Sousa, José Renato M., Magluta, Carlos, Roitman, Ney, Campello, George C.

“…This work investigates the extensional-torsional response of a flexible pipe with one up to ten wires broken in its outer tensile armor. Experimental tests…”
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A numerical methodology to predict the lateral load response of monopiles installed in SAND considering soil stiffness degradation by Lopes, Guilherme K., de Sousa, José Renato M., de Almeida, Maria C.F., de Almeida, Marcio S.S.

“…Most of the routine work concerning the design of laterally loaded monopile foundations is conducted using simplified one-dimensional (1D) models based on p-y…”
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A study on the axial behavior of bonded flexible marine hoses by Gonzalez, Gabriel M., de Sousa, José R. M., Sagrilo, Luis V. S.

“…Bonded flexible marine hoses are frequently used in offshore offloading operations. The proper performance of these hoses throughout the service life is…”
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Exploring the Elastic Properties and Fracture Patterns of Me-Graphene Monolayers and Nanotubes through Reactive Molecular Dynamics Simulations by Junior, Marcelo L. Pereira, De Sousa, José. M, Brandão, Wjefferson H. S, Galvão, Douglas. S, Fonseca, Alexandre F, Junior, Luiz A. Ribeiro

“…Me-graphene (MeG) is a novel two-dimensional (2D) carbon allotrope. Due to its attractive electronic and structural properties, it is important to study the…”
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Wellhead axial movements in subsea wells with partially cemented surface casings by de Souza, Charlton O., de Sousa, José Renato M., Ellwanger, Gilberto B.

“…In subsea wells, the surface casing string should be fully cemented but, eventually, this is not possible due to the long length of the string and/or the soil…”
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First-principles calculations of the electronic and optical properties of penta-graphene monolayer: study of many-body effects by Minaie, Babak, Ketabi, Seyed A, De Sousa, José M

“…In the present work, first-principles calculations based on the density functional theory (DFT), GW approximation and Bethe-Salpeter equation (BSE) are…”
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Poly-dodecahedrane: A new allotrope of carbon by Hasanvandi, Siavash, Neisi, Elham, De Sousa, José M

“…Carbon is the most important chemical element and the theoretical study of its new allotropes can be of great interest. In this study, regular dodecahedron…”
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Síndrome da disfunção apical reversível (Takotsubo) by Sousa, José Marconi Almeida de, Knobel, Marcos, Buchelle, Gustavo, Sousa, José Augusto M. de, Fisher, Cláudio H., Born, Daniel, Akamine, Nelson, Knobel, Elias

“…Homem portador de miastenia gravis, internado por descompensação da doença de base, em insuficiência respiratória aguda. Na evolução, apresentou quadro…”
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