Bubbles alive

Hong, Jeong-Mo; Lee, Ho‐Young; Yoon, Jong-Chul; Kim, Chang-Hun

doi:10.1145/1399504.1360647

Cited by 46 publications

(33 citation statements)

References 22 publications

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“…For diffuse materials, there are many simulation models focused on the behavior of microscopic bubbles [8,34]. In 2011, Ihmsen present a particle-based model for the complex bubble flow with respect to deformation and merging of bubbles and volume-dependent buoyancy [35].…”

Section: Related Workmentioning

confidence: 99%

A Symmetric Particle-Based Simulation Scheme towards Large Scale Diffuse Fluids

et al. 2018

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We present a symmetric particle simulation scheme for diffuse fluids based on the Lagrangian Smoothed Particle Hydrodynamics (SPH) model. In our method, the generation of diffuse particles is determined by the entropy of fluid particles, and it is calculated by the velocity difference and kinetic energy. Diffuse particles are generated near the qualified diffuse particle emitters whose diffuse material generation rate is greater than zero. Our method fits the laws of physics better, as it abandons the common practice of adding diffuse materials at the crest empirically. The coupling between diffuse materials and fluid is a post-processing step achieved by the velocity field, which enables the avoiding of the time-consuming process of cross finding neighbors. The influence weights of the fluid particles are assigned based on the degree of coupling. Therefore, it improved the accuracy of the diffuse particle position and made the simulation results more realistic. The approach is appropriate for large scale diffuse fluid, as it can be easily integrated in existing SPH simulation methods and the computational overhead is negligible.

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Section: Related Workmentioning

confidence: 99%

A Symmetric Particle-Based Simulation Scheme towards Large Scale Diffuse Fluids

et al. 2018

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“…Interactive simulations and visualizations of rivers were presented by Hultman & Pharayn (1999). SPH has also been used to simulate small-scale phenomena, such as porous flows (Lenaerts 2008), bubbles (Hong 2008), and melting and freezing (Wicke 2006). Musgrave et al (1989) introduced one of the first techniques for simulating erosion of terrains.…”

Section: Smoothed Particle Hydrodynamics (Sph)mentioning

confidence: 99%

Analyses, Simulations, and Physical Modeling Validation of Levee and Embankment Erosion

et al. 2011

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We present a computer simulation of hydraulic erosion on levees, dams, and earth embankments, with emphasis on rill and gully initiation and propagation. We focus on erosion features that occur after an earthen structure is overtopped. We have developed a 3D fluid and hydraulic erosion simulation engine using Smoothed Particle Hydrodynamics (SPH). We present the results of digital simulations for different soil types. Furthermore, small-scale physical models of levees composed of different soils were constructed and tested experimentally. The digital simulations are compared to physical experimental results to validate the computer models.

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“…We can perform vector interpolation by solving Equation (6) in the same way that we solved Equation (3) for scalar interpolation in Section 2.1.…”

Section: Vector Interpolationmentioning

confidence: 99%

“…These techniques appear to be successful on examples. The hybrid methods of Lagrangian and Eulerian approaches such as Kim et al [4], Losasso et al [5], and Hong et al [6], also require better interpolation techniques, to improve the coupling of grid-based simulators to particles.…”

Section: Introductionmentioning

confidence: 99%

Divergence‐constrained moving least squares for fluid simulation

Hong¹,

Yoon²,

Kim³

2008

Computer Animation & Virtual

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Developing suitable interpolation methods to simulate dynamic motions of continuous materials such as fluids is an important problem. In this paper, we propose a novel method to enforce the divergence condition to the interpolated velocity field by moving least squares, by means of the diffusive derivatives and moving divergence constraints that allow the practical use and easy implementation. As results, we present the velocity interpolation examples and a fluid-like particle simulation method to show the meaningful potential of our method as a tool of physical interpolation for fluid simulations.

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Bubbles alive

Cited by 46 publications

References 22 publications

A Symmetric Particle-Based Simulation Scheme towards Large Scale Diffuse Fluids

A Symmetric Particle-Based Simulation Scheme towards Large Scale Diffuse Fluids

Analyses, Simulations, and Physical Modeling Validation of Levee and Embankment Erosion

Divergence‐constrained moving least squares for fluid simulation

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