About: Numerical Simulation of an Indentation Process for Defining the Viscoelastic Characteristics of Time-Dependent Materials

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aim of the paper is to find a practical numerical approach to define the time-dependent mechanical characteristics of a rheonomic material from microindentation data. The ANSYS FEM program for viscoelastic bodies is used for numerical simulations of the indentation process. All three parts of the indentation process (loading), dwell time with indentation creep and unloading, are well modelled and the histories of the relaxation modulus, the bulk or shear moduli are defined in the form of Prony series. The results obtained by numerical simulation are compared with satisfactory accuracy to the values from an analytical approach based on the linear theory of viscoelasticity and to results of standard macro tests of the material, which had been previously measured by the authors The aim of the paper is to find a practical numerical approach to define the time-dependent mechanical characteristics of a rheonomic material from microindentation data. The ANSYS FEM program for viscoelastic bodies is used for numerical simulations of the indentation process. All three parts of the indentation process (loading), dwell time with indentation creep and unloading, are well modelled and the histories of the relaxation modulus, the bulk or shear moduli are defined in the form of Prony series. The results obtained by numerical simulation are compared with satisfactory accuracy to the values from an analytical approach based on the linear theory of viscoelasticity and to results of standard macro tests of the material, which had been previously measured by the authors (en)
Title	Numerical Simulation of an Indentation Process for Defining the Viscoelastic Characteristics of Time-Dependent Materials Numerical Simulation of an Indentation Process for Defining the Viscoelastic Characteristics of Time-Dependent Materials (en)
skos:prefLabel	Numerical Simulation of an Indentation Process for Defining the Viscoelastic Characteristics of Time-Dependent Materials Numerical Simulation of an Indentation Process for Defining the Viscoelastic Characteristics of Time-Dependent Materials (en)
skos:notation	RIV/68378297:_____/12:00375437!RIV13-AV0-68378297
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(IAA200710801), Z(MSM6840770043)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Micka, Michal Minster, Jiří
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	Ústav teoretické a aplikované mechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	155036
http://linked.open...ai/riv/idVysledku	RIV/68378297:_____/12:00375437
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	microindentation; numerical simulation; viscoelastic characteristics (en)
http://linked.open.../riv/klicoveSlovo	numerical simulation microindentation viscoelastic characteristics
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[B037D9265E6D]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Science and Engineering B
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Conversion from micro- and nano-indentation instrumented measurements data to mechanical characteristics of viscoelastic materials
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	2
http://linked.open...iv/tvurceVysledku	Micka, Michal Minster, Jiří
http://linked.open...n/vavai/riv/zamer	Rozvoj metod návrhu a provozu dopravních sítí z hlediska jejich optimalizace
issn	2161-6221
number of pages	9 (xsd:int)

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