A Levenberg-Marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretes

A Levenberg-Marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretes

This technical note describes the implementation of the Levenberg-Marquardt algorithm for the inverse analysis of three-point bend tests on notched specimens of plain and fiber reinforced concretes for determining softening parameters (σ-w curves). Tests indicated that the algorithm is sufficiently efficient and robust.

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Main Author: Sousa,J.L.A.O.
Format: Digital revista
Language:English
Published: IBRACON - Instituto Brasileiro do Concreto 2011
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952011000400010
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spelling oai:scielo:S1983-419520110004000102014-08-21A Levenberg-Marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretesSousa,J.L.A.O. inverse analysis softening concrete Levenberg-Marquardt This technical note describes the implementation of the Levenberg-Marquardt algorithm for the inverse analysis of three-point bend tests on notched specimens of plain and fiber reinforced concretes for determining softening parameters (σ-w curves). Tests indicated that the algorithm is sufficiently efficient and robust.info:eu-repo/semantics/openAccessIBRACON - Instituto Brasileiro do ConcretoRevista IBRACON de Estruturas e Materiais v.4 n.4 20112011-10-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952011000400010en10.1590/S1983-41952011000400010
institution SCIELO
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-scielo-br
tag revista
region America del Sur
libraryname SciELO
language English
format Digital
author Sousa,J.L.A.O.
spellingShingle Sousa,J.L.A.O.
A Levenberg-Marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretes
author_facet Sousa,J.L.A.O.
author_sort Sousa,J.L.A.O.
title A Levenberg-Marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretes
title_short A Levenberg-Marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretes
title_full A Levenberg-Marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretes
title_fullStr A Levenberg-Marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretes
title_full_unstemmed A Levenberg-Marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretes
title_sort levenberg-marquardt algorithm for fi tting σ-w curves from three-point bend tests for plain and fi ber reinforced concretes
description This technical note describes the implementation of the Levenberg-Marquardt algorithm for the inverse analysis of three-point bend tests on notched specimens of plain and fiber reinforced concretes for determining softening parameters (σ-w curves). Tests indicated that the algorithm is sufficiently efficient and robust.
publisher IBRACON - Instituto Brasileiro do Concreto
publishDate 2011
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952011000400010
work_keys_str_mv AT sousajlao alevenbergmarquardtalgorithmforfittingswcurvesfromthreepointbendtestsforplainandfiberreinforcedconcretes
AT sousajlao levenbergmarquardtalgorithmforfittingswcurvesfromthreepointbendtestsforplainandfiberreinforcedconcretes
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