Publication detail
Stress concentration in inclined bar and beam shoulders
BURŠA, J. MUDRÁK, J. JANÍČEK, P.
Czech title
Koncentrace napětí v prutech se šikmým osazením
English title
Stress concentration in inclined bar and beam shoulders
Type
journal article - other
Language
en
Original abstract
The paper deals with stress concentration in inclined bars and beams, where the shoulder radius is often not prescribed in the detail drawings. The commonly accepted notch definition as a stepwise change of the beam cross section, as well as a lack of nomograms or other data on stress concentration in inclined shoulders in the available literature ([1], [2], [3]) support the assumption of negligible stress concentration in inclined shoulders. Several failures of shaft-like components with inclined shoulders made us to investigate the stress concentration in these shoulders. Computational modelling confirmed a rather high stress concentration even in shoulders with a very low inclination angle. Even in the case of the declination angle of 30 degrees, the stress concentration factor is only slightly lower than in a comparable perpendicular ( angle 90 degrees) shoulder. Therefore nomograms for evaluation of stress concentration factors in inclined bar and beam shoulders under basic loading types were created and published in the paper.
Czech abstract
Článek se zabývá koncentrací napětí v osazených prutech se šikmým osazením, kde nejsou běžně dostupné podklady pro určení součinitele koncentrace napětí. Ten přitom i u osazení s relativně malým úhlem sklonu dosahuje hodnot jen o málo nižších než u odpovídajícího osazení kolmého. Součástí článku jsou nomogramy pro určení těchto součinitelů, založené na výpočtech MKP.
English abstract
The paper deals with stress concentration in inclined bars and beams, where the shoulder radius is often not prescribed in the detail drawings. The commonly accepted notch definition as a stepwise change of the beam cross section, as well as a lack of nomograms or other data on stress concentration in inclined shoulders in the available literature ([1], [2], [3]) support the assumption of negligible stress concentration in inclined shoulders. Several failures of shaft-like components with inclined shoulders made us to investigate the stress concentration in these shoulders. Computational modelling confirmed a rather high stress concentration even in shoulders with a very low inclination angle. Even in the case of the declination angle of 30 degrees, the stress concentration factor is only slightly lower than in a comparable perpendicular ( angle 90 degrees) shoulder. Therefore nomograms for evaluation of stress concentration factors in inclined bar and beam shoulders under basic loading types were created and published in the paper.
Keywords in English
inclined shaft shoulder, stress concentration factor, beam, bar under tension and torsion
RIV year
2006
Released
20.11.2006
Publisher
Engineering Academy of the Czech Republic, Národní 3, 11720 Praha 1
Location
Brno
ISSN
1210-2717
Journal
Inženýrská mechanika - Engineering Mechanics
Volume
2006 (13)
Number
5
Pages from–to
329–338
Pages count
10
BIBTEX
@article{BUT43564,
author="Jiří {Burša} and Jaroslav {Mudrák} and Přemysl {Janíček},
title="Stress concentration in inclined bar and beam shoulders",
journal="Inženýrská mechanika - Engineering Mechanics",
year="2006",
volume="2006 (13)",
number="5",
month="November",
pages="329--338",
publisher="Engineering Academy of the Czech Republic, Národní 3, 11720 Praha 1",
address="Brno",
issn="1210-2717"
}