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Scientific paper - Original scientific paper
Detection of a Characteristic Length in 2D Orthotropic Micropolar Continuum
Zbornik radova (Građevinski fakultet Sveučilišta u Rijeci), 27 (2024), 1; 139-155. https://doi.org/10.32762/zr.27.1.9
Jelenić, Gordan; Grbčić Erdelj, Sara; Ribarić, Dragan; Grbac, Laura; Papa Dukić, Edita; Čeh, Nina; Jurković, Damjan

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Jelenić, G., Grbčić Erdelj, S., Ribarić, D., Grbac, L., Papa Dukić, E., Čeh, N. & Jurković, D. (2024). Detection of a Characteristic Length in 2D Orthotropic Micropolar Continuum. Zbornik radova (Građevinski fakultet Sveučilišta u Rijeci), 27. (1), 139-155. doi: 10.32762/zr.27.1.9

Jelenić, Gordan, et al. "Detection of a Characteristic Length in 2D Orthotropic Micropolar Continuum." Zbornik radova (Građevinski fakultet Sveučilišta u Rijeci), vol. 27, no. 1, 2024, pp. 139-155. https://doi.org/10.32762/zr.27.1.9

Jelenić, Gordan, Sara Grbčić Erdelj, Dragan Ribarić, Laura Grbac, Edita Papa Dukić, Nina Čeh and Damjan Jurković. "Detection of a Characteristic Length in 2D Orthotropic Micropolar Continuum." Zbornik radova (Građevinski fakultet Sveučilišta u Rijeci) 27, no. 1 (2024): 139-155. https://doi.org/10.32762/zr.27.1.9

Jelenić, G., et al. (2024) 'Detection of a Characteristic Length in 2D Orthotropic Micropolar Continuum', Zbornik radova (Građevinski fakultet Sveučilišta u Rijeci), 27(1), pp. 139-155. doi: 10.32762/zr.27.1.9

Jelenić G, Grbčić Erdelj S, Ribarić D, Grbac L, Papa Dukić E, Čeh N, and sur.. Detection of a Characteristic Length in 2D Orthotropic Micropolar Continuum. Zbornik radova (Građevinski fakultet Sveučilišta u Rijeci) [Internet]. 2024 December 19 [cited 2025 April 26];27(1):139-155. doi: 10.32762/zr.27.1.9

G. Jelenić, et al., "Detection of a Characteristic Length in 2D Orthotropic Micropolar Continuum", Zbornik radova (Građevinski fakultet Sveučilišta u Rijeci), vol. 27, no. 1, pp. 139-155, December 2024. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:157:942923. [Accessed: 26 April 2025]

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Title (english)Detection of a Characteristic Length in 2D Orthotropic Micropolar Continuum
Title (croatian)Određivanje karakteristične duljine ravninskog ortotropnog mikropolarnog kontinuuma
AuthorGordan Jelenić
AuthorSara Grbčić Erdelj
AuthorDragan Ribarić
AuthorLaura Grbac
AuthorEdita Papa Dukić
AuthorNina Čeh
AuthorDamjan Jurković
Author's institutionUniversity of Rijeka
Faculty of Civil Engineering
(Department of Load Bearing Structures and Technical Mechanics)
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Basic Technical Sciences
Technical Mechanics (Mechanics of Rigid and Deformable Bodies)
Abstract (english)
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
Abstract (croatian)
U cilju dobivanja više mikropolarih inženjerskih parametara provedena je numerička i eksperimentalna analiza umjetno generirane ortotropne mikrostrukture. Youngovi moduli i Poissonovi koeficijenti mikrostrukture utvrđeni su pomoću homogenizacije asimptotskom analizom. Eksperimenti čistog savijanja provedeni su na aluminijskim gredama s opisanom mikrostrukturom. Isti su eksperimenti provedeni numerički. Koristeći prije izvedene izraze za deformacije u ravninskom ortotropnom mikropolarnom kontinuumu određena je jedna karakteristična duljina. Ova duljina odgovara karakterističnoj duljini za savijanje u izotropnom kontinuumu i jedna je od četiri karakteristične duljine ravninskog ortotropnog kontinuuma. Eksperimentalne i numeričke vrijednosti dobro se poklapaju unatoč blagom rasipanju eksperimentalnih rezultata. Ovdje predstavljena metodologija može se koristiti za daljnje određivanje karakterističnih duljina.
Keywords (english)
Keywords (croatian)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - domestic
Publication versionPublished version
Journal titleZbornik radova (Građevinski fakultet Sveučilišta u Rijeci)
Numberingvol. 27, no. 1, pp. 139-155
p-ISSN0350-8552
e-ISSN2584-6159
DOIhttps://doi.org/10.32762/zr.27.1.9
URN:NBNurn:nbn:hr:157:942923
Publication2024-12-19
ProjectNumber: HRZZ-IP-2018-01-173
Title (english): Fixed-Pole Concept in Numerical Modelling of Cosserat Continuum
Title (croatian): Koncept nepomičnog pola u numeričkom modeliranju Cosseratovog kontinuuma
Acronym: FIMCOS
Jurisdiction: Croatia
ProjectNumber: uniri-tehnic-18-248 1415
Title (croatian): Računski i eksperimentalni postupci za određivanje materijalnih parametara Cosseratovog kontinuuma
Title (english): Computational and experimental procedures for assessment of material parameters in Cosserats' continuum
Leader: Gordan Jelenić
Jurisdiction: Croatia
Document URLhttps://zr.gradri.uniri.hr/index.php/zr/article/view/249
Type of resourceText
Access conditionsOpen access
Terms of useLicence Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) icon
Created on2025-04-20 12:06:40