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Rešavanje jednačina kretanja fluida metodom zasnovanom na praćenju fluidnih delića (SPH metoda)

SPH Method

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2014
Vodoprivreda2014--Nikola-Rosic-i-saradnici.pdf (2.181Mb)
Authors
Rosić, Nikola
Savić, Ljubodrag
Đorđević, Dejana
Article (Published version)
,
Nikola Rosić, Ljubodrag Savić, Dejana Đorđević
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Abstract
U ovom radu se opisuje numerička metoda za rešavanje jednačina kretanja fluida zasnovana na praćenju fluidnih delića, koja se na engleskom jeziku naziva Smoothed Particle Hydrodynamics (skraćeno SPH). Predstavljene su teorijske osnove SPH metode kao i rezultati primene ove numeričke metode u numeričkom modeliranju problema tečenja vode usled rušenja brane i odbijanja talasa od nepokretne granice. Rezultati dobijeni korišćenjem standardnog oblika SPH metode po kojem se voda tretira kao blago stišljiv fluid (WCSPH) su upoređeni sa rezultatima eksperimenta na fizičkom modelu, kako bi se dala ocena tačnosti SPH metode u predviđanju izrazito neustaljenog strujanja sa slobodnom površinom.
The SPH (Smoothed Particle Hydrodynamics) method for solving fluid dynamics equations is presented in this paper. The main aim of this paper is to present theoretical aspects of the method which is used in numerical modelling of rapidly varying free-surface flows. This paper also deals with application of the SPH (Smoothed Particle Hydrodynamics) method in numerical modelling of impact flow on a vertical wall which is generated by the break of a dam. Numerical results show good agreement with experiments before water impact on the wall and unsatisfactory agreement after the impact. Further study is needed to improve accuracy of the method.
Keywords:
računska dinamika fluida / computational fluid dynamics / Lagranžov pristup / Lagrangian approach / interpolaciona teorija / interpolation theory / veštačka stišljivost / artificial compressibility / problem rušenja brane / dam-break problem
Source:
Vodoprivreda, 2014, 46, 267-272, 187-197
Publisher:
  • Srpsko društvo za odvodnjavanje i navodnjavanje
Funding / projects:
  • Monitoring and Modeling of Rivers and Reservoirs (MORE) - Physical, Chemical, Biological and Morphodynamic Parameters (RS-37009)
  • Urban Drainage Systems as Key Infrastructure in Cities and Towns (RS-37010)
Note:
  • Rad je dostupan na internet stranici časopisa Vodoprivreda: https://www.vodoprivreda.net/wp-content/uploads/2015/04/17-Nikola-Rosic-i-saradnici_redigovano.pdf

ISSN: 0350-0519

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_grafar_2303
URI
https://grafar.grf.bg.ac.rs/handle/123456789/2303
Collections
  • Катедра за хидротехнику и водно-еколошко инжењерство
Institution/Community
GraFar
TY  - JOUR
AU  - Rosić, Nikola
AU  - Savić, Ljubodrag
AU  - Đorđević, Dejana
PY  - 2014
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2303
AB  - U ovom radu se opisuje numerička metoda za rešavanje jednačina kretanja fluida zasnovana na praćenju fluidnih delića, koja se na engleskom jeziku naziva Smoothed Particle Hydrodynamics (skraćeno SPH). Predstavljene su teorijske osnove SPH metode kao i rezultati primene ove numeričke metode u numeričkom modeliranju problema tečenja vode usled rušenja brane i odbijanja talasa od nepokretne granice. Rezultati dobijeni korišćenjem standardnog oblika SPH metode po kojem se voda tretira kao blago stišljiv fluid (WCSPH) su upoređeni sa rezultatima eksperimenta na fizičkom modelu, kako bi se dala ocena tačnosti SPH metode u predviđanju izrazito neustaljenog strujanja sa slobodnom površinom.
AB  - The SPH (Smoothed Particle Hydrodynamics) method for solving fluid dynamics equations is presented in this paper. The main aim of this paper is to present theoretical aspects of the method which is used in numerical modelling of rapidly varying free-surface flows. This paper also deals with application of the SPH (Smoothed Particle Hydrodynamics) method in numerical modelling of impact flow on a vertical wall which is generated by the break of a dam. Numerical
results show good agreement with experiments before water impact on the wall and unsatisfactory agreement after the impact. Further study is needed to improve accuracy of the method.
PB  - Srpsko društvo za odvodnjavanje i navodnjavanje
T2  - Vodoprivreda
T1  - Rešavanje jednačina kretanja fluida metodom zasnovanom na praćenju fluidnih delića (SPH metoda)
T1  - SPH Method
EP  - 197
IS  - 267-272
SP  - 187
VL  - 46
UR  - https://hdl.handle.net/21.15107/rcub_grafar_2303
ER  - 
@article{
author = "Rosić, Nikola and Savić, Ljubodrag and Đorđević, Dejana",
year = "2014",
abstract = "U ovom radu se opisuje numerička metoda za rešavanje jednačina kretanja fluida zasnovana na praćenju fluidnih delića, koja se na engleskom jeziku naziva Smoothed Particle Hydrodynamics (skraćeno SPH). Predstavljene su teorijske osnove SPH metode kao i rezultati primene ove numeričke metode u numeričkom modeliranju problema tečenja vode usled rušenja brane i odbijanja talasa od nepokretne granice. Rezultati dobijeni korišćenjem standardnog oblika SPH metode po kojem se voda tretira kao blago stišljiv fluid (WCSPH) su upoređeni sa rezultatima eksperimenta na fizičkom modelu, kako bi se dala ocena tačnosti SPH metode u predviđanju izrazito neustaljenog strujanja sa slobodnom površinom., The SPH (Smoothed Particle Hydrodynamics) method for solving fluid dynamics equations is presented in this paper. The main aim of this paper is to present theoretical aspects of the method which is used in numerical modelling of rapidly varying free-surface flows. This paper also deals with application of the SPH (Smoothed Particle Hydrodynamics) method in numerical modelling of impact flow on a vertical wall which is generated by the break of a dam. Numerical
results show good agreement with experiments before water impact on the wall and unsatisfactory agreement after the impact. Further study is needed to improve accuracy of the method.",
publisher = "Srpsko društvo za odvodnjavanje i navodnjavanje",
journal = "Vodoprivreda",
title = "Rešavanje jednačina kretanja fluida metodom zasnovanom na praćenju fluidnih delića (SPH metoda), SPH Method",
pages = "197-187",
number = "267-272",
volume = "46",
url = "https://hdl.handle.net/21.15107/rcub_grafar_2303"
}
Rosić, N., Savić, L.,& Đorđević, D.. (2014). Rešavanje jednačina kretanja fluida metodom zasnovanom na praćenju fluidnih delića (SPH metoda). in Vodoprivreda
Srpsko društvo za odvodnjavanje i navodnjavanje., 46(267-272), 187-197.
https://hdl.handle.net/21.15107/rcub_grafar_2303
Rosić N, Savić L, Đorđević D. Rešavanje jednačina kretanja fluida metodom zasnovanom na praćenju fluidnih delića (SPH metoda). in Vodoprivreda. 2014;46(267-272):187-197.
https://hdl.handle.net/21.15107/rcub_grafar_2303 .
Rosić, Nikola, Savić, Ljubodrag, Đorđević, Dejana, "Rešavanje jednačina kretanja fluida metodom zasnovanom na praćenju fluidnih delića (SPH metoda)" in Vodoprivreda, 46, no. 267-272 (2014):187-197,
https://hdl.handle.net/21.15107/rcub_grafar_2303 .

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