Detail publikačního výsledku

Stochastic modeling of multi-filament yarns: II. Random properties over the length and size effect

VOŘECHOVSKÝ, M.; CHUDOBA, R.

Originální název

Stochastic modeling of multi-filament yarns: II. Random properties over the length and size effect

Anglický název

Stochastic modeling of multi-filament yarns: II. Random properties over the length and size effect

Druh

Článek recenzovaný mimo WoS a Scopus

Originální abstrakt

The present study addresses the influence of variations in materialproperties along the multi-filament yarn on the overall response inthe tensile test. In Part I we have described the applied model andstudied the influence of scatter of material characteristics varyingin the cross section with no variations along the filaments.In particular, we analyzed the influence of varying cross sectionalarea, filament length and delayed activation. Inclusion of theseeffects has lead to a better interpretation of the experimental data,especially with respect to the gradual stiffness activation,post-peak behavior and some form of size effect. In the present paper, thelength-related distributions of local stiffness and strength are includedin terms of theoretical considerations and by applying the Monte Carlo typesimulation of random fields.Suchan approach allows us (1) to demonstrate the strong need forincluding length scale to random fluctuation of strength along thefilaments and (2) to combine several sources of randomness in asingle analysis so that their significance can be evaluated from thetensile test response.

Anglický abstrakt

The present study addresses the influence of variations in materialproperties along the multi-filament yarn on the overall response inthe tensile test. In Part I we have described the applied model andstudied the influence of scatter of material characteristics varyingin the cross section with no variations along the filaments.In particular, we analyzed the influence of varying cross sectionalarea, filament length and delayed activation. Inclusion of theseeffects has lead to a better interpretation of the experimental data,especially with respect to the gradual stiffness activation,post-peak behavior and some form of size effect. In the present paper, thelength-related distributions of local stiffness and strength are includedin terms of theoretical considerations and by applying the Monte Carlo typesimulation of random fields.Suchan approach allows us (1) to demonstrate the strong need forincluding length scale to random fluctuation of strength along thefilaments and (2) to combine several sources of randomness in asingle analysis so that their significance can be evaluated from thetensile test response.

Klíčová slova

Multi-filament yarn; Fiber bundle models; Random field simulation; Delayed activation; Size effect

Klíčová slova v angličtině

Multi-filament yarn; Fiber bundle models; Random field simulation; Delayed activation; Size effect

Autoři

VOŘECHOVSKÝ, M.; CHUDOBA, R.

Vydáno

01.02.2006

Nakladatel

Elsevier

Místo

USA

ISSN

0020-7683

Periodikum

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES

Svazek

2006 (43)

Číslo

3-4

Stát

Spojené království Velké Británie a Severního Irska

Strany od

435

Strany do

458

Strany počet

24

BibTex

@article{BUT46409,
  author="Miroslav {Vořechovský} and Rostislav {Chudoba}",
  title="Stochastic modeling of multi-filament yarns: II. Random properties over the length and size effect",
  journal="INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES",
  year="2006",
  volume="2006 (43)",
  number="3-4",
  pages="435--458",
  issn="0020-7683"
}