research-article

Density contrast SPH interfaces

Authors:

B. Solenthaler,

R. PajarolaAuthors Info & Claims

SCA '08: Proceedings of the 2008 ACM SIGGRAPH/Eurographics Symposium on Computer Animation

Pages 211 - 218

Published: 07 July 2008 Publication History

Abstract

To simulate multiple fluids realistically many important interaction effects have to be captured accurately. Smoothed Particle Hydrodynamics (SPH) has shown to be a simple, yet flexible method to cope with many fluid simulation problems in a robust way. Unfortunately, the results obtained when using SPH to simulate miscible fluids are severely affected, especially if density ratios become large. The undesirable effects reach from unphysical density and pressure variations to spurious and unnatural interface tensions, as well as severe numerical instabilities. In this work, we present a formulation based on SPH which can handle density discontinuities at interfaces between multiple fluids correctly without increasing the computational costs compared to standard SPH. The basic idea is to replace the density computation in SPH by a measure of particle densities and consequently derive new formulations for pressure and viscous forces. The new method enables the user to select the desired amount of interface tension according to the simulation problem at hand. We succeed to stably simulate multiple fluids with high density contrasts without the above described artifacts apparent in standard SPH simulations.

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Cited By

Probst TTeschner M(2024)Unified Pressure, Surface Tension and Friction for SPH FluidsACM Transactions on Graphics10.1145/370803444:1(1-28)Online publication date: 10-Dec-2024
https://dl.acm.org/doi/10.1145/3708034
Chen XLi CCao GJiang YHu S(2020)A moving least square reproducing kernel particle method for unified multiphase continuum simulationACM Transactions on Graphics10.1145/3414685.341780939:6(1-15)Online publication date: 27-Nov-2020
https://dl.acm.org/doi/10.1145/3414685.3417809
Goldade RAanjaneya MBatty C(2020)Constraint bubbles and affine regionsACM Transactions on Graphics10.1145/3386569.339245539:4(43:1-43:15)Online publication date: 12-Aug-2020
https://dl.acm.org/doi/10.1145/3386569.3392455
Show More Cited By

Index Terms

Density contrast SPH interfaces
1. Computing methodologies
  1. Computer graphics
    1. Animation
      1. Physical simulation
    2. Shape modeling
2. Mathematics of computing
  1. Continuous mathematics
    1. Topology
      1. Geometric topology

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Information & Contributors

Information

Published In

cover image ACM Conferences

SCA '08: Proceedings of the 2008 ACM SIGGRAPH/Eurographics Symposium on Computer Animation

July 2008

230 pages

ISBN:9783905674101

Conference Chairs:
Eugene Fiume,
Jerry Tessendorf,
Program Chairs:
Markus Gross,
Doug James

Sponsors

SIGGRAPH: ACM Special Interest Group on Computer Graphics and Interactive Techniques
EUROGRAPHICS: The European Association for Computer Graphics

Publisher

Eurographics Association

Goslar, Germany

Publication History

Published: 07 July 2008

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Research-article

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SCA08

Sponsor:

SIGGRAPH
EUROGRAPHICS

SCA08: The ACM SIGGRAPH / Eurographics Symposium on Computer Animation

July 7 - 9, 2008

Dublin, Ireland

Acceptance Rates

SCA '08 Paper Acceptance Rate 24 of 60 submissions, 40%;

Overall Acceptance Rate 183 of 487 submissions, 38%

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Cited By

Probst TTeschner M(2024)Unified Pressure, Surface Tension and Friction for SPH FluidsACM Transactions on Graphics10.1145/370803444:1(1-28)Online publication date: 10-Dec-2024
https://dl.acm.org/doi/10.1145/3708034
Chen XLi CCao GJiang YHu S(2020)A moving least square reproducing kernel particle method for unified multiphase continuum simulationACM Transactions on Graphics10.1145/3414685.341780939:6(1-15)Online publication date: 27-Nov-2020
https://dl.acm.org/doi/10.1145/3414685.3417809
Goldade RAanjaneya MBatty C(2020)Constraint bubbles and affine regionsACM Transactions on Graphics10.1145/3386569.339245539:4(43:1-43:15)Online publication date: 12-Aug-2020
https://dl.acm.org/doi/10.1145/3386569.3392455
Gissler CPeer ABand SBender JTeschner M(2019)Interlinked SPH Pressure Solvers for Strong Fluid-Rigid CouplingACM Transactions on Graphics10.1145/328498038:1(1-13)Online publication date: 19-Jan-2019
https://dl.acm.org/doi/10.1145/3284980
Band SGissler CPeer ATeschner MAndrews SErleben KJaillet FZachmann G(2018)MLS pressure extrapolation for the boundary handling in divergence-free SPHProceedings of the 14th Workshop on Virtual Reality Interactions and Physical Simulations10.5555/3297697.3297704(55-63)Online publication date: 15-Apr-2018
https://dl.acm.org/doi/10.5555/3297697.3297704
Köster MKrüger ALaramee RTam GVidal F(2018)Screen space particle selectionProceedings of the Conference on Computer Graphics & Visual Computing10.2312/cgvc.20181208(61-69)Online publication date: 13-Sep-2018
https://dl.acm.org/doi/10.2312/cgvc.20181208
Watanabe HFujisawa MMikawa MZafar NZhou K(2018)Simulation of bubbles with floating and rupturing effect for SPHSIGGRAPH Asia 2018 Posters10.1145/3283289.3283327(1-2)Online publication date: 4-Dec-2018
https://dl.acm.org/doi/10.1145/3283289.3283327
Band SGissler CIhmsen MCornelis JPeer ATeschner M(2018)Pressure Boundaries for Implicit Incompressible SPHACM Transactions on Graphics10.1145/318048637:2(1-11)Online publication date: 28-Feb-2018
https://dl.acm.org/doi/10.1145/3180486
Kim JKim WLee J(2018)Physics-inspired approach to realistic and stable water spray with narrowband air particlesThe Visual Computer: International Journal of Computer Graphics10.1007/s00371-017-1353-134:4(461-471)Online publication date: 1-Apr-2018
https://dl.acm.org/doi/10.1007/s00371-017-1353-1
Gissler CBand SPeer AIhmsen MTeschner MJaillet FZara F(2017)Approximate air-fluid interactions for SPHProceedings of the 13th Workshop on Virtual Reality Interactions and Physical Simulations10.2312/vriphys.20171081(29-38)Online publication date: 23-Apr-2017
https://dl.acm.org/doi/10.2312/vriphys.20171081
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