Detection of a characteristic length in 2D orthotropic micropolar continuum

With the aim of obtaining several micropolar engineering parameters, a numerical and experimental analysis of an artificially generated orthotropic microstructure is performed. Young’s moduli and Poisson's ratios of the microstructure are determined using homogenisation by asymptotic analysis....

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Main Authors: Damjan Jurković, Gordan Jelenić, Sara Grbčić Erdelj, Dragan Ribarić, Laura Grbac, Edita Papa Dukić, Nina Čeh
Format: Article
Language:English
Published: University of Rijeka, Faculty of Civil Engineering 2024-12-01
Series:Zbornik Radova
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Online Access:https://zr.gradri.uniri.hr/index.php/zr/article/view/249
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author Damjan Jurković
Gordan Jelenić
Sara Grbčić Erdelj
Dragan Ribarić
Laura Grbac
Edita Papa Dukić
Nina Čeh
author_facet Damjan Jurković
Gordan Jelenić
Sara Grbčić Erdelj
Dragan Ribarić
Laura Grbac
Edita Papa Dukić
Nina Čeh
author_sort Damjan Jurković
collection DOAJ
description With the aim of obtaining several micropolar engineering parameters, a numerical and experimental analysis of an artificially generated orthotropic microstructure is performed. Young’s moduli and Poisson's ratios of the microstructure are determined using homogenisation by asymptotic analysis. Four-point bending experiments are performed on the aluminium beams with the described microstructure. The same experiments are also performed numerically. Using the previously derived analytical expression for the strains in a plane orthotropic micropolar continuum, one characteristic length is determined. This length corresponds to the characteristic bending length in the isotropic continuum and is one of the four characteristic lengths of the planar orthotropic continuum. Experimental and numerical values agree well, despite the slight scatter of the experimental results. The methodology presented here can be used for further determination of bending lengths.
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id doaj-art-c44f0ccd0f154d37ae227128d15b8974
institution Kabale University
issn 0350-8552
2584-6159
language English
publishDate 2024-12-01
publisher University of Rijeka, Faculty of Civil Engineering
record_format Article
series Zbornik Radova
spelling doaj-art-c44f0ccd0f154d37ae227128d15b89742025-01-28T12:07:51ZengUniversity of Rijeka, Faculty of Civil EngineeringZbornik Radova0350-85522584-61592024-12-0127110.32762/zr.27.1.9Detection of a characteristic length in 2D orthotropic micropolar continuumDamjan Jurković0Gordan Jelenić1Sara Grbčić Erdelj2Dragan Ribarić3Laura Grbac4Edita Papa Dukić5Nina Čeh6University of Rijeka, Faculty of Civil EngineeringUniversity of Rijeka, Faculty of Civil EngineeringUniversity of Rijeka, Faculty of Civil EngineeringUniversity of Rijeka, Faculty of Civil EngineeringUniversity of Rijeka, Faculty of Civil EngineeringUniversity of Rijeka, Faculty of Civil EngineeringUniversity of Rijeka, Faculty of Civil EngineeringWith the aim of obtaining several micropolar engineering parameters, a numerical and experimental analysis of an artificially generated orthotropic microstructure is performed. Young’s moduli and Poisson's ratios of the microstructure are determined using homogenisation by asymptotic analysis. Four-point bending experiments are performed on the aluminium beams with the described microstructure. The same experiments are also performed numerically. Using the previously derived analytical expression for the strains in a plane orthotropic micropolar continuum, one characteristic length is determined. This length corresponds to the characteristic bending length in the isotropic continuum and is one of the four characteristic lengths of the planar orthotropic continuum. Experimental and numerical values agree well, despite the slight scatter of the experimental results. The methodology presented here can be used for further determination of bending lengths. https://zr.gradri.uniri.hr/index.php/zr/article/view/249orthotropic micropolar continuumfour-point bending experimentscharacteristic bending lengthhomogenisationnumerical analysis
spellingShingle Damjan Jurković
Gordan Jelenić
Sara Grbčić Erdelj
Dragan Ribarić
Laura Grbac
Edita Papa Dukić
Nina Čeh
Detection of a characteristic length in 2D orthotropic micropolar continuum
Zbornik Radova
orthotropic micropolar continuum
four-point bending experiments
characteristic bending length
homogenisation
numerical analysis
title Detection of a characteristic length in 2D orthotropic micropolar continuum
title_full Detection of a characteristic length in 2D orthotropic micropolar continuum
title_fullStr Detection of a characteristic length in 2D orthotropic micropolar continuum
title_full_unstemmed Detection of a characteristic length in 2D orthotropic micropolar continuum
title_short Detection of a characteristic length in 2D orthotropic micropolar continuum
title_sort detection of a characteristic length in 2d orthotropic micropolar continuum
topic orthotropic micropolar continuum
four-point bending experiments
characteristic bending length
homogenisation
numerical analysis
url https://zr.gradri.uniri.hr/index.php/zr/article/view/249
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