About: Relation between structural size and the discretization density of brittle homogeneous lattice models

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Description	This paper contains the results of an investigation into the effect of the discretization of lattice models. The study is performed with homogeneous models where all elements share the same strength. Elemental constitutive law is linearly-brittle, meaning that elements behave linearly but are completely removed from the structure as soon as they reach the limit of their strength. The relation between structural size and discretization density is studied with unnotched beams loaded in three point bending (modulus of rupture test). We report the results for regular discretization and irregular networks obtained via Voronoi tessellation. This is carried out for two types of models: these being with and without rotational springs (normal and shear springs are always present). The numerically obtained dependence of strength on discretization density is compared to the analytical size effect formula. This paper contains the results of an investigation into the effect of the discretization of lattice models. The study is performed with homogeneous models where all elements share the same strength. Elemental constitutive law is linearly-brittle, meaning that elements behave linearly but are completely removed from the structure as soon as they reach the limit of their strength. The relation between structural size and discretization density is studied with unnotched beams loaded in three point bending (modulus of rupture test). We report the results for regular discretization and irregular networks obtained via Voronoi tessellation. This is carried out for two types of models: these being with and without rotational springs (normal and shear springs are always present). The numerically obtained dependence of strength on discretization density is compared to the analytical size effect formula. (en)
Title	Relation between structural size and the discretization density of brittle homogeneous lattice models Relation between structural size and the discretization density of brittle homogeneous lattice models (en)
skos:prefLabel	Relation between structural size and the discretization density of brittle homogeneous lattice models Relation between structural size and the discretization density of brittle homogeneous lattice models (en)
skos:notation	RIV/00216305:26110/12:PU102610!RIV13-GA0-26110___
http://linked.open...avai/predkladatel	Fakulta stavební
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GCP105/10/J028), P(GD103/09/H085)
http://linked.open...iv/cisloPeriodika	525-526
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Vořechovský, Miroslav Eliáš, Jan
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	Vysoké učení technické v Brně / Fakulta stavební
http://linked.open...dnocenehoVysledku	164795
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/12:PU102610
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	lattice model, brittle elements, mesh size, bent beams, size effect (en)
http://linked.open.../riv/klicoveSlovo	lattice model size effect brittle elements bent beams mesh size
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[956E107750C1]
http://linked.open...i/riv/nazevZdroje	Key Engineering Materials (web)
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Development and implementation of a simulation framework for quasi-ductile composites combining short fibers and aligned continuous reinforcement Modern composite structures
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	2013
http://linked.open...iv/tvurceVysledku	Eliáš, Jan Vořechovský, Miroslav
issn	1662-9795
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	26110
is http://linked.open...avai/riv/vysledek of	Relation between structural size and the discretization density of brittle homogeneous lattice models

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