About: Identification of the Material Parameters of a Unidirectional Fiber Composite Using a Micromodel

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About: Identification of the Material Parameters of a Unidirectional Fiber Composite Using a Micromodel Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper is focused on the identification of material parameters of substituents of unidirectional carbon-epoxy longfiber reinforced composite. Simple tensile tests using thin coupons with various fiber orientations were performed and force-displacement diagrams were obtained. A model of unit cell is created in MSC.Marc. Fibers are considered as non-linear elastic transversely isotropic material and matrix is considered as elasto-plastic isotropic material. The unit cell is loaded by uniaxial stress up to the same level of loadings as the experimental samples. Sum of squared differences of displacements between the numerically and experimentally obtained force-displacement diagrams is minimized within an identification process. Parameters of linear relation between the Young's modulus of fibers and strain in fiber axis direction, and three shape coefficients of matrix work-hardening function are searched. The identification process is performed using MSC.Marc, OptiSlang optimization software and Matlab. The paper is focused on the identification of material parameters of substituents of unidirectional carbon-epoxy longfiber reinforced composite. Simple tensile tests using thin coupons with various fiber orientations were performed and force-displacement diagrams were obtained. A model of unit cell is created in MSC.Marc. Fibers are considered as non-linear elastic transversely isotropic material and matrix is considered as elasto-plastic isotropic material. The unit cell is loaded by uniaxial stress up to the same level of loadings as the experimental samples. Sum of squared differences of displacements between the numerically and experimentally obtained force-displacement diagrams is minimized within an identification process. Parameters of linear relation between the Young's modulus of fibers and strain in fiber axis direction, and three shape coefficients of matrix work-hardening function are searched. The identification process is performed using MSC.Marc, OptiSlang optimization software and Matlab. (en)
Title	Identification of the Material Parameters of a Unidirectional Fiber Composite Using a Micromodel Identification of the Material Parameters of a Unidirectional Fiber Composite Using a Micromodel (en)
skos:prefLabel	Identification of the Material Parameters of a Unidirectional Fiber Composite Using a Micromodel Identification of the Material Parameters of a Unidirectional Fiber Composite Using a Micromodel (en)
skos:notation	RIV/49777513:23520/12:43915804!RIV13-GA0-23520___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0090), P(GAP101/11/0288)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Zemčík, Robert Kroupa, Tomáš Srbová, Hana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Západočeská univerzita v Plzni / Fakulta aplikovaných věd
http://linked.open...dnocenehoVysledku	140337
http://linked.open...ai/riv/idVysledku	RIV/49777513:23520/12:43915804
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	unidirectional fiber composite, non-linear behavior, optimization, identification, matrix work-hardening function, representative volume element, unit cell, micromodel (en)
http://linked.open.../riv/klicoveSlovo	representative volume element identification optimization micromodel matrix work-hardening function non-linear behavior unidirectional fiber composite unit cell
http://linked.open...odStatuVydavatele	SI - Slovinská republika
http://linked.open...ontrolniKodProRIV	[C6F07C1A7764]
http://linked.open...i/riv/nazevZdroje	Materiali in Tehnologije
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Design of intelligent composite structures NTIS - New Technologies for Information Society
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Kroupa, Tomáš Zemčík, Robert Srbová, Hana
issn	1580-2949
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	23520

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