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A boundary integral based particle initialization algorithm for Smooth Particle Hydrodynamics.

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Title: A boundary integral based particle initialization algorithm for Smooth Particle Hydrodynamics.
Authors: Boregowda, Parikshit1 (AUTHOR) boregopt@mail.uc.edu, Liu, Gui-Rong2 (AUTHOR)
Source: Computer Physics Communications. May2025, Vol. 310, pN.PAG-N.PAG. 1p.
Subjects: Concentration gradient, Geometric modeling, Geometry, Hydrodynamics, Algorithms
Abstract: Algorithms for initializing particle distribution in SPH simulations are important for improving simulation accuracy. However, no such algorithms exist for boundary integral SPH models, which can model complex geometries without requiring layers of virtual particles. This study introduces the Boundary Integral based Particle Initialization (BIPI) algorithm. It employs a particle packing algorithm meticulously designed to redistribute particles to fit the geometry boundary. The BIPI algorithm directly utilizes the geometry's boundary information using the SPH boundary integral formulation. Special consideration is given to particles adjacent to the boundary to prevent artificial volume compression. The BIPI algorithm can hence generate a particle distribution with reduced concentration gradients for domains with complex geometrical shapes. Finally, several examples are presented to demonstrate the effectiveness of the proposed algorithm, including the application of the BIPI algorithm in flow problems. [ABSTRACT FROM AUTHOR]
Copyright of Computer Physics Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 183379460
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PubType: Periodical
PubTypeId: serialPeriodical
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  Data: A boundary integral based particle initialization algorithm for Smooth Particle Hydrodynamics.
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  Data: <searchLink fieldCode="AR" term="%22Boregowda%2C+Parikshit%22">Boregowda, Parikshit</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> boregopt@mail.uc.edu</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Gui-Rong%22">Liu, Gui-Rong</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Computer+Physics+Communications%22">Computer Physics Communications</searchLink>. May2025, Vol. 310, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Concentration+gradient%22">Concentration gradient</searchLink><br /><searchLink fieldCode="DE" term="%22Geometric+modeling%22">Geometric modeling</searchLink><br /><searchLink fieldCode="DE" term="%22Geometry%22">Geometry</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrodynamics%22">Hydrodynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Algorithms%22">Algorithms</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Algorithms for initializing particle distribution in SPH simulations are important for improving simulation accuracy. However, no such algorithms exist for boundary integral SPH models, which can model complex geometries without requiring layers of virtual particles. This study introduces the Boundary Integral based Particle Initialization (BIPI) algorithm. It employs a particle packing algorithm meticulously designed to redistribute particles to fit the geometry boundary. The BIPI algorithm directly utilizes the geometry's boundary information using the SPH boundary integral formulation. Special consideration is given to particles adjacent to the boundary to prevent artificial volume compression. The BIPI algorithm can hence generate a particle distribution with reduced concentration gradients for domains with complex geometrical shapes. Finally, several examples are presented to demonstrate the effectiveness of the proposed algorithm, including the application of the BIPI algorithm in flow problems. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Computer Physics Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.cpc.2025.109531
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Concentration gradient
        Type: general
      – SubjectFull: Geometric modeling
        Type: general
      – SubjectFull: Geometry
        Type: general
      – SubjectFull: Hydrodynamics
        Type: general
      – SubjectFull: Algorithms
        Type: general
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      – TitleFull: A boundary integral based particle initialization algorithm for Smooth Particle Hydrodynamics.
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            NameFull: Boregowda, Parikshit
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            NameFull: Liu, Gui-Rong
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            – D: 01
              M: 05
              Text: May2025
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              Y: 2025
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              Value: 310
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            – TitleFull: Computer Physics Communications
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