Browsing Engineering by Author "Isoldi, Liércio André"
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Avaliação numérica do efeito da variação da altura relativa de um conversor de energia das ondas do mar tipo placa submersa
Seibt, Flávio Medeiros; Isoldi, Liércio André; Teixeira, Paulo Roberto de Freitas; Santos, Elizaldo Domingues dos; Rocha, Luiz Alberto Oliveira (2015) [Journal article]O elevado potencial energético das ondas do mar torna esse recurso uma importante alternativa como fonte de energia limpa e renovável. O sistema de placa horizontal submersa é um tipo de estrutura utilizada como quebra-mar ... -
Bibliometric Study Applied to the Overtopping Wave Energy Converter Device
Paiva, Maycon da Silveira; Silveira, Leonardo; Isoldi, Liércio André; Machado, Bianca Neves (2020) [Journal article]The present study aims to analyze the state of the art of scientific studies about the Overtopping device used to convert sea wave energy into electrical energy, by means the Bibliometric methodology. The development of ... -
Geometrically nonlinear static and dynamic analysis of composite laminates shells with a triangular finite element
Isoldi, Liércio André; Awruch, Armando Miguel; Teixeira, Paulo Roberto de Freitas; Morsch, Inacio Benvegnu (2008) [Journal article]Geometrically nonlinear static and dynamic behaviour of laminate composite shells are analyzed in this work using the Finite Element Method (FEM). Triangular elements with three nodes and six degrees of freedom per node ... -
A novel BESO methodology for topology optimization of reinforced concrete structures : a two-loop approach
Borges, Julian Alves; Amaral, Rodrigo Reis; Isoldi, Liércio André; Casas, Walter Jesus Paucar; Gomes, Herbert Martins (2023) [Journal article]A new topology optimization methodology for reinforced concrete structures is proposed. The structures are optimized in two iterative loops, where different sensitivity criteria are used to determine the regions to be ... -
Numerical analysis including pressure drop in oscillating water column device
Gomes, Mateus das Neves; Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Rocha, Luiz Alberto Oliveira (2015) [Journal article]The wave energy conversion into electricity has been increasingly studied in the last years. There are several proposed converters. Among them, the oscillatingwater column (OWC) device has been widespread evaluated in ... -
Numerical analysis of an overtopping wave energy converter subjected to the incidence of irregular and regular waves from realistic sea states
Hübner, Ricardo Gabriel; Fragassa, Cristiano; Paiva, Maycon da Silveira; Oleinik, Phelype Haron; Gomes, Mateus das Neves; Rocha, Luiz Alberto Oliveira; Santos, Elizaldo Domingues dos; Machado, Bianca Neves; Isoldi, Liércio André (2022) [Journal article]The present study aims to evaluate the difference in the fluid-dynamic behavior of an overtopping wave energy converter under the incidence of irregular waves based on a realistic sea state when compared to the incidence ... -
Numerical analysis of the available power in an overtopping wave energy converter subjected to a sea state of the Coastal Region of Tramandaí, Brazil
Cisco, Lenon Audibert; Maciel, Rafael P.; Oleinik, Phelype Haron; Santos, Elizaldo Domingues dos; Gomes, Mateus das Neves; Rocha, Luiz Alberto Oliveira; Isoldi, Liércio André; Machado, Bianca Neves (2022) [Journal article]The present work proposes a numerical study of an overtopping wave energy converter. The goal of this study is to evaluate the theoretical power that can be converted by an overtopping device subjected to sea waves in the ... -
Numerical analysis of the influence of empty channels design on performance of resin flow in a porous plate
Magalhães, Glauciléia Maria Cardoso; Fragassa, Cristiano; Lemos, Rafael de Lima; Isoldi, Liércio André; Amico, Sandro Campos; Rocha, Luiz Alberto Oliveira; Souza, Jeferson Ávila; Santos, Elizaldo Domingues dos (2020) [Journal article]This numerical study aims to investigate the influence of I and T-shaped empty channels’ geometry on the filling time of resin in a rectangular porous enclosed mold, mimicking the main operating principle of a liquid resin ... -
Numerical Evaluation of the Hydropneumatic Power of the Oscillating Water Column Wave Energy Converter Submitted to Regular and Irregular Waves
Koch, Augusto Hack da Silva; Paiva, Maycon da Silveira; Monteiro, Caroline Barbosa; Oleinik, Phelype Haron; Isoldi, Liércio André; Machado, Bianca Neves (2021) [Journal article]The purpose of this study is to computationally analyze the hydropneumatic power available in the air duct of an Oscillating Water Column (OWC) Wave Energy Converter (WEC) device when subject to realistic sea state data ... -
Numerical study and geometrical investigation of an onshore overtopping device wave energy converter with a seabed coupled structure
Barros, Andréia S. de; Fragassa, Cristiano; Paiva, Maycon da Silveira; Rocha, Luiz Alberto Oliveira; Machado, Bianca Neves; Isoldi, Liércio André; Gomes, Mateus das Neves; Santos, Elizaldo Domingues dos (2023) [Journal article]Studies regarding renewable energy sources have gained attention over recent years. One example is wave energy converters, which harvest energy from sea waves using different operational principles such as oscillating water ... -
Numerical study of an elliptical fin inserted in a square cavity with the upper sliding surface submitted to mixed convection
Sehn, Alysson; Fernandes, Cássio Spohr; Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Centeno, Felipe Roman; Soliman, Paulo Augusto (2018) [Journal article]This paper aims to evaluate the heat transfer in a square cavity with an elliptical fin located in different positions on the cavity bottom and with different aspect ratios. The optimal geometry was analised using the ... -
O oceano como fonte de energia : uma revisão da literatura
Cisco, Lenon Audibert; Koch, Augusto Hack da Silva; Condotta, Mateus; Hofstatter, Rodrigo; Harras, Lucas Martins; Paiva, Maycon da Silveira; Isoldi, Liércio André; Machado, Bianca Neves (2020) [Journal article]O aumento da demanda mundial por energia elétrica aliado à preocupação em relação à emissão de gases causadores do efeito estufa faz com que haja um crescimento na busca por fontes de energias renováveis. Energias renováveis ... -
Proposta de malha Stretched para ser utilizada com o método de imposição de dados discretos como condição de contorno de velocidade prescrita na geração numérica de ondas
Kisner, Elissandro Vaz; Machado, Bianca Neves; Santos, Elizaldo Domingues dos; Rocha, Luiz Alberto Oliveira; Gomes, Mateus das Neves; Isoldi, Liércio André (2019) [Journal article] -
Simulação numérica e método constructal design aplicados ao estudo de placas perfuradas de material compósito submetidas à flexão
Silva, Caio César Cardoso da; Troian, Sandro Pieta; Rocha, Luiz Alberto Oliveira; Santos, Elizaldo Domingues dos; Real, Mauro de Vasconcellos; Isoldi, Liércio André (2015) [Journal article]Neste trabalho foi realizado um estudo numérico em placas com perfurações elípticas centralizadas, de material isotrópico e compósito, submetidas à flexão provocada por um carregamento transversal uniformemente distribuído, ... -
Study about buckling phenomenon in perforated thin steel plates employing computational modeling and constructal design method
Helbig, Daniel; Silva, Caio César Cardoso da; Real, Mauro de Vasconcellos; Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Rocha, Luiz Alberto Oliveira (2016) [Journal article]Perforated steel thin plates are commonly used in structural engineering. Due to their geometric characteristics, these panels can suffer the undesired buckling phenomenon. In this context, the present work associates the ... -
Three-dimensional numerical modeling of RTM and LRTM processes
Isoldi, Liércio André; Oliveira, Cristiano Peres; Rocha, Luiz Alberto Oliveira; Souza, Jeferson Ávila; Amico, Sandro Campos (2012) [Journal article]Resin Transfer Molding (RTM) is a manufacturing process in which a liquid resin is injected into a closed mold pre-loaded with a porous fibrous preform, producing complex composite parts with good surface finishing. Resin ... -
Transformation of Water Wave Spectra into Time Series of Surface Elevation
Oleinik, Phelype Haron; Tavares, Gabriel Pereira; Machado, Bianca Neves; Isoldi, Liércio André (2021) [Journal article]Spectral wave modelling is widely used to simulate large-scale wind–wave processes due to its low computation cost and relatively simpler formulation, in comparison to phase-resolving or hydrodynamic models. However, some ... -
Transverse permeability determination and influence in resin flow through an orthotropic medium in the RTM process
Harter, Fabiane Valente; Souza, Jeferson Ávila; Isoldi, Liércio André; Santos, Elizaldo Domingues dos; Amico, Sandro Campos (2017) [Journal article]Resin Transfer Molding (RTM) process is commonly used to produce high quality polymeric composites with simple or complex geometries in small to large sizes. In RTM process a preformed reinforcement is positioned inside ... -
Verification and Validation of a Methodology to Numerically Generate Waves Using Transient Discrete Data as Prescribed Velocity Boundary Condition
Maciel, Rafael P.; Fragassa, Cristiano; Machado, Bianca Neves; Rocha, Luiz Alberto Oliveira; Santos, Elizaldo Domingues dos; Gomes, Mateus das Neves; Isoldi, Liércio André (2021) [Journal article]This work presents a two-dimensional numerical analysis of a wave channel and a oscillating water column (OWC) device. The main goal is to validate a methodology which uses transient velocity data as a means to impose ... -
WaveMIMO methodology : numerical wave generation of a realistic sea state
Machado, Bianca Neves; Oleinik, Phelype Haron; Kirinus, Eduardo de Paula; Santos, Elizaldo Domingues dos; Rocha, Luiz Alberto Oliveira; Gomes, Mateus das Neves; Conde, José Manuel Paixão; Isoldi, Liércio André (2021) [Journal article]This paper presents a methodology that allows the numerical simulation of realistic sea waves, called WaveMIMO methodology, which is based on the imposition of transient discrete data as prescribed velocity on a finite ...