Spurious oscillations reduction in transient diffusion and wave propagation problems discretized with the Finite Element Method

Autor: Augusto Badke Neto, Webe João Mansur, Walnório Graça Ferreira

Publikováno v: Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)

Abstract This work presents a new method, the SOR_FEM, spurious oscillation reduction-FEM, that uses analytical solutions of simple problems to find numerical solutions of more complex problems to reduce the spurious oscillations that occur due to so

Externí odkaz: https://doaj.org/article/8bdb098fc7224bc3942c79dfe123e46b

Resposta de um sistema massa-mola submetido a carga.

Autor: Marcela Scalco Freitas, Walnório Graça Ferreira

Publikováno v: Revista Tecnologia, Vol 22, Iss 1 (2009)

Apresenta-se neste artigo a resposta de um sistema massa-mola submetido a carga dinâmica arbitrária. Essa resposta é encontrada usando a integral de Duhamel, cujo procedimento também e chamado de Método da Integral de Convolução. Ele é deri

Externí odkaz: https://doaj.org/article/d10de321cd05471b9e4240eff5e7918b

Fast Tool for Structural Monitoring of a Pier After Impact of a Very Large Vessel Using Ambient Vibration Analysis

Autor: Thiago Henrique, Cláudio José Martins, Walnório Graça Ferreira

Publikováno v: Journal of Marine Science and Application. 20:317-324

Operational modal analysis is a non-destructive structural investigation that considers only the loads resulting from service conditions. This approach allows the measurement of vibrations on a given structure with no need to interrupt its use. The p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f42e58a5d896b907e38c50b3c99bb1b
https://doi.org/10.1007/s11804-021-00207-0

Comparison between exact and approximate methods for geometrically nonlinear analysis prescribed in design standards for steel and reinforced concrete structures

Autor: Laís De Bortoli Lecchi, Walnório Graça Ferreira, Paulo Manuel Mendes Pinheiro da Providência e Costa, Arlene Maria Cunha Sarmanho

Publikováno v: Revista IBRACON de Estruturas e Materiais v.15 n.1 2022
Revista IBRACON de Estruturas e Materiais
Instituto Brasileiro do Concreto (IBRACON)
instacron:IBRACON
Revista IBRACON de Estruturas e Materiais, Vol 15, Iss 1 (2021)

Current practices in structural engineering demand ever-increasing knowledge and expertise concerning stability of structures from professionals in this field. This paper implements standardized procedures for geometrically nonlinear analysis of stee

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6b6c653b549de54a3a913b5c0e7c0869
https://doi.org/10.1590/s1983-41952022000100001

Global stability analysis of structures and actions to control their effects

Autor: Lorenzo Augusto Ruschi e Luchi, Felipe Coelho Freitas, Walnório Graça Ferreira

Publikováno v: Revista IBRACON de Estruturas e Materiais, Volume: 9, Issue: 2, Pages: 192-213, Published: APR 2016
Revista IBRACON de Estruturas e Materiais v.9 n.2 2016
Revista IBRACON de Estruturas e Materiais
Instituto Brasileiro do Concreto (IBRACON)
instacron:IBRACON
Revista IBRACON de Estruturas e Materiais, Vol 9, Iss 2, Pp 192-213

In this moment in which civil engineering is undergoing a phase where structural projects have been developed with structural systems composed of different and complex elements, some methods and criteria are used for the purpose of evaluating importa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e748f8043c5de1b41785df4ccb0d750
https://doi.org/10.1590/s1983-41952016000200003