Relevance of the Basset history term for Lagrangian particle dynamics

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Relevance of the Basset history term for Lagrangian particle dynamics. / Urizarna-Carasa, Julio; Ruprecht, Daniel; von Kameke, Alexandra et al.
in: Chaos, Jahrgang 35, Nr. 7, 073122, 01.07.2025.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Urizarna-Carasa J, Ruprecht D, von Kameke A, Padberg-Gehle K. Relevance of the Basset history term for Lagrangian particle dynamics. Chaos. 2025 Jul 1;35(7):073122. doi: 10.1063/5.0225926

Bibtex

@article{96678c7999eb45b9af1f3bb5cb6b4d81,
title = "Relevance of the Basset history term for Lagrangian particle dynamics",
abstract = "The movement of small but finite spherical particles in a fluid can be described by the Maxey–Riley equation (MRE) if they are too large to be considered passive tracers. The MRE contains an integral “history term” modeling wake effects, which cause the force acting on a particle at some given time to depend on its full past trajectory. The history term causes complications in the numerical solution of the MRE and is, therefore, often neglected, despite both numerical and experimental evidence that its effects are generally not negligible. By numerically computing trajectories with and without the history term of a large number of particles in different flow fields, we investigate its impact on the large-scale Lagrangian dynamics of simulated particles. We show that for moderate to large Stokes numbers, ignoring the history term leads to significant differences in clustering patterns. Furthermore, we compute finite-time Lyapunov exponents and show that, even for small particles, the differences in the resulting scalar field when ignoring the Basset history term can be significant, in particular, if the underlying flow is turbulent.",
keywords = "Mathematics, Lyapunov exponent, Dynamical systems, Lagrangian mechanics, Integro-differential eguation, Flow visualization, Fluid flows, Laminar flows, Turbulent flows, Fluid force",
author = "Julio Urizarna-Carasa and Daniel Ruprecht and {von Kameke}, Alexandra and Kathrin Padberg-Gehle",
note = "In Special Collection: Nonautonomous Dynamical Systems: Theory, Methods, and Applications Publisher Copyright: {\textcopyright} 2025 Author(s).",
year = "2025",
month = jul,
day = "1",
doi = "10.1063/5.0225926",
language = "English",
volume = "35",
journal = "Chaos",
issn = "1054-1500",
publisher = "American Institute of Physics Inc.",
number = "7",

}

RIS

TY - JOUR

T1 - Relevance of the Basset history term for Lagrangian particle dynamics

AU - Urizarna-Carasa, Julio

AU - Ruprecht, Daniel

AU - von Kameke, Alexandra

AU - Padberg-Gehle, Kathrin

N1 - In Special Collection: Nonautonomous Dynamical Systems: Theory, Methods, and Applications Publisher Copyright: © 2025 Author(s).

PY - 2025/7/1

Y1 - 2025/7/1

N2 - The movement of small but finite spherical particles in a fluid can be described by the Maxey–Riley equation (MRE) if they are too large to be considered passive tracers. The MRE contains an integral “history term” modeling wake effects, which cause the force acting on a particle at some given time to depend on its full past trajectory. The history term causes complications in the numerical solution of the MRE and is, therefore, often neglected, despite both numerical and experimental evidence that its effects are generally not negligible. By numerically computing trajectories with and without the history term of a large number of particles in different flow fields, we investigate its impact on the large-scale Lagrangian dynamics of simulated particles. We show that for moderate to large Stokes numbers, ignoring the history term leads to significant differences in clustering patterns. Furthermore, we compute finite-time Lyapunov exponents and show that, even for small particles, the differences in the resulting scalar field when ignoring the Basset history term can be significant, in particular, if the underlying flow is turbulent.

AB - The movement of small but finite spherical particles in a fluid can be described by the Maxey–Riley equation (MRE) if they are too large to be considered passive tracers. The MRE contains an integral “history term” modeling wake effects, which cause the force acting on a particle at some given time to depend on its full past trajectory. The history term causes complications in the numerical solution of the MRE and is, therefore, often neglected, despite both numerical and experimental evidence that its effects are generally not negligible. By numerically computing trajectories with and without the history term of a large number of particles in different flow fields, we investigate its impact on the large-scale Lagrangian dynamics of simulated particles. We show that for moderate to large Stokes numbers, ignoring the history term leads to significant differences in clustering patterns. Furthermore, we compute finite-time Lyapunov exponents and show that, even for small particles, the differences in the resulting scalar field when ignoring the Basset history term can be significant, in particular, if the underlying flow is turbulent.

KW - Mathematics

KW - Lyapunov exponent

KW - Dynamical systems

KW - Lagrangian mechanics

KW - Integro-differential eguation

KW - Flow visualization

KW - Fluid flows

KW - Laminar flows

KW - Turbulent flows

KW - Fluid force

UR - http://www.scopus.com/inward/record.url?scp=105010533851&partnerID=8YFLogxK

U2 - 10.1063/5.0225926

DO - 10.1063/5.0225926

M3 - Journal articles

C2 - 40637573

VL - 35

JO - Chaos

JF - Chaos

SN - 1054-1500

IS - 7

M1 - 073122

ER -

DOI

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