High order computation of the history term in the equation of motion for a spherical particle in a fluid
The historical evolution of the equation of motion for a spherical particle in a fluid and the search for its general solution are recalled. The presence of an integral term that is nonzero under unsteady motion and viscous conditions allowed simple analytical or numerical solutions for the particle...
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08857474_v21_n2_p129_Alexander http://hdl.handle.net/20.500.12110/paper_08857474_v21_n2_p129_Alexander |
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paper:paper_08857474_v21_n2_p129_Alexander2023-06-08T15:46:43Z High order computation of the history term in the equation of motion for a spherical particle in a fluid Alexander, Pedro M. Equation of motion High order method History term Computational methods Equations of motion Integral equations Runge Kutta methods Unsteady flow Viscous flow High order method History term Spherical particles Unsteady motions Fluid dynamics The historical evolution of the equation of motion for a spherical particle in a fluid and the search for its general solution are recalled. The presence of an integral term that is nonzero under unsteady motion and viscous conditions allowed simple analytical or numerical solutions for the particle dynamics to be found only in a few particular cases. A general solution to the equation of motion seems to require the use of computational methods. Numerical schemes to handle the integral term of the equation of motion have already been developed. We present here adaptations of a first order method for the implementation at high order, which may employ either fixed or variable computation time steps. Some examples are shown to establish comparisons between diverse numerical methods. Fil:Alexander, P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2004 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08857474_v21_n2_p129_Alexander http://hdl.handle.net/20.500.12110/paper_08857474_v21_n2_p129_Alexander |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Equation of motion High order method History term Computational methods Equations of motion Integral equations Runge Kutta methods Unsteady flow Viscous flow High order method History term Spherical particles Unsteady motions Fluid dynamics |
spellingShingle |
Equation of motion High order method History term Computational methods Equations of motion Integral equations Runge Kutta methods Unsteady flow Viscous flow High order method History term Spherical particles Unsteady motions Fluid dynamics Alexander, Pedro M. High order computation of the history term in the equation of motion for a spherical particle in a fluid |
topic_facet |
Equation of motion High order method History term Computational methods Equations of motion Integral equations Runge Kutta methods Unsteady flow Viscous flow High order method History term Spherical particles Unsteady motions Fluid dynamics |
description |
The historical evolution of the equation of motion for a spherical particle in a fluid and the search for its general solution are recalled. The presence of an integral term that is nonzero under unsteady motion and viscous conditions allowed simple analytical or numerical solutions for the particle dynamics to be found only in a few particular cases. A general solution to the equation of motion seems to require the use of computational methods. Numerical schemes to handle the integral term of the equation of motion have already been developed. We present here adaptations of a first order method for the implementation at high order, which may employ either fixed or variable computation time steps. Some examples are shown to establish comparisons between diverse numerical methods. |
author |
Alexander, Pedro M. |
author_facet |
Alexander, Pedro M. |
author_sort |
Alexander, Pedro M. |
title |
High order computation of the history term in the equation of motion for a spherical particle in a fluid |
title_short |
High order computation of the history term in the equation of motion for a spherical particle in a fluid |
title_full |
High order computation of the history term in the equation of motion for a spherical particle in a fluid |
title_fullStr |
High order computation of the history term in the equation of motion for a spherical particle in a fluid |
title_full_unstemmed |
High order computation of the history term in the equation of motion for a spherical particle in a fluid |
title_sort |
high order computation of the history term in the equation of motion for a spherical particle in a fluid |
publishDate |
2004 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08857474_v21_n2_p129_Alexander http://hdl.handle.net/20.500.12110/paper_08857474_v21_n2_p129_Alexander |
work_keys_str_mv |
AT alexanderpedrom highordercomputationofthehistorytermintheequationofmotionforasphericalparticleinafluid |
_version_ |
1768542744927535104 |