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Stress concentration factors in re-evaluation of design solution

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Authors
Momčilović, Dejan
Atanasovska, Ivana
Mitrović, Radivoje
Vukšić-Popović, Marija
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Abstract
The failures of various parts of mechanical systems in powe industry are the lessons that should be learned thoroughly. Every behaviour of structure close to design encelope must be ecxamined carefully in order to minimize financial losses in future and subsequently increase energy efficiency. Better design procedure or procedures that will gain more accurate results are major request to engineers and researchers last few decades. The verified methods that have proven potentials in application on power industry components coul be used ub assessment and evaluation of critical conditions that could lead to failures. A case study from hydro power plant turbine shaft was chosen as subject for design re-evaluating methodology. The classic analytical calculation of this shaft uses the Peterson's elastic stress concentration factor and calculates stress concentration factors and maximum stresses for different stress components of combined load and then calculate analytical valuesof total stre...ss by hypothesis of maximal normal stress. On the opther hand, presented Finite Element Analysis simulates shaft stress state under real conditions of complex load by simulataneously applying all load components (bending, torsion and tension). Both of calculations are performed for few different radii in shaft-flange sections, as basis for re-evaluation of application of stress concentration factors.

Source:
5th International Congress of Serbian Society of Mechanics, Aranđelovac, Srbija, 2015
Publisher:
  • Serbian Society of Mechanics and Faculty of Technical Sciences Novi Sad

ISBN: 978-86-7892-715-7

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Handle
https://hdl.handle.net/21.15107/rcub_rims_468
URI
http://rims.institutims.rs/handle/123456789/468
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - CONF
AU  - Momčilović, Dejan
AU  - Atanasovska, Ivana
AU  - Mitrović, Radivoje
AU  - Vukšić-Popović, Marija
PY  - 2015
UR  - http://rims.institutims.rs/handle/123456789/468
AB  - The failures of various parts of mechanical systems in powe industry are the lessons that should be learned thoroughly. Every behaviour of structure close to design encelope must be ecxamined carefully in order to minimize financial losses in future and subsequently increase energy efficiency. Better design procedure or procedures that will gain more accurate results are major request to engineers and researchers last few decades. The verified methods that have proven potentials in application on power industry components coul be used ub assessment and evaluation of critical conditions that could lead to failures. A case study from hydro power plant turbine shaft was chosen as subject for design re-evaluating methodology. The classic analytical calculation of this shaft uses the Peterson's elastic stress concentration factor and calculates stress concentration factors and maximum stresses for different stress components of combined load and then calculate analytical valuesof total stress by hypothesis of maximal normal stress. On the opther hand, presented Finite Element Analysis simulates shaft stress state under real conditions of complex load by simulataneously applying all load components (bending, torsion and tension). Both of calculations are performed for few different radii in shaft-flange sections, as basis for re-evaluation of application of stress concentration factors.
PB  - Serbian Society of Mechanics and Faculty of Technical Sciences Novi Sad
C3  - 5th International Congress of Serbian Society of Mechanics, Aranđelovac, Srbija
T1  - Stress concentration factors in re-evaluation of design solution
UR  - https://hdl.handle.net/21.15107/rcub_rims_468
ER  - 
@conference{
author = "Momčilović, Dejan and Atanasovska, Ivana and Mitrović, Radivoje and Vukšić-Popović, Marija",
year = "2015",
abstract = "The failures of various parts of mechanical systems in powe industry are the lessons that should be learned thoroughly. Every behaviour of structure close to design encelope must be ecxamined carefully in order to minimize financial losses in future and subsequently increase energy efficiency. Better design procedure or procedures that will gain more accurate results are major request to engineers and researchers last few decades. The verified methods that have proven potentials in application on power industry components coul be used ub assessment and evaluation of critical conditions that could lead to failures. A case study from hydro power plant turbine shaft was chosen as subject for design re-evaluating methodology. The classic analytical calculation of this shaft uses the Peterson's elastic stress concentration factor and calculates stress concentration factors and maximum stresses for different stress components of combined load and then calculate analytical valuesof total stress by hypothesis of maximal normal stress. On the opther hand, presented Finite Element Analysis simulates shaft stress state under real conditions of complex load by simulataneously applying all load components (bending, torsion and tension). Both of calculations are performed for few different radii in shaft-flange sections, as basis for re-evaluation of application of stress concentration factors.",
publisher = "Serbian Society of Mechanics and Faculty of Technical Sciences Novi Sad",
journal = "5th International Congress of Serbian Society of Mechanics, Aranđelovac, Srbija",
title = "Stress concentration factors in re-evaluation of design solution",
url = "https://hdl.handle.net/21.15107/rcub_rims_468"
}
Momčilović, D., Atanasovska, I., Mitrović, R.,& Vukšić-Popović, M.. (2015). Stress concentration factors in re-evaluation of design solution. in 5th International Congress of Serbian Society of Mechanics, Aranđelovac, Srbija
Serbian Society of Mechanics and Faculty of Technical Sciences Novi Sad..
https://hdl.handle.net/21.15107/rcub_rims_468
Momčilović D, Atanasovska I, Mitrović R, Vukšić-Popović M. Stress concentration factors in re-evaluation of design solution. in 5th International Congress of Serbian Society of Mechanics, Aranđelovac, Srbija. 2015;.
https://hdl.handle.net/21.15107/rcub_rims_468 .
Momčilović, Dejan, Atanasovska, Ivana, Mitrović, Radivoje, Vukšić-Popović, Marija, "Stress concentration factors in re-evaluation of design solution" in 5th International Congress of Serbian Society of Mechanics, Aranđelovac, Srbija (2015),
https://hdl.handle.net/21.15107/rcub_rims_468 .

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