Coupling of rigid body dynamics and moving particle semi-implicit method for simulating isothermal multi-phase fluid interactions

Park, Shane; Jeun, Gyoodong

doi:10.1016/j.cma.2010.08.001

Cited by 22 publications

(14 citation statements)

References 13 publications

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“…It could stabilise the pressure calculation in both spatial and temporal domain [13,27]. For example, in Ref [13], a dynamic force is introduced during the evolution of the particle movement.…”

Section: Particle Shifting and Collision Handlingmentioning

confidence: 99%

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Modified MPS method for the 2D fluid structure interaction problem with free surface

et al. 2015

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Please cite this article as: Zhe Sun , K. Djidjeli , Jing T. Xing , Fai cheng , Modified mps method for the 2d fluid structure interaction problem with free surface, Computers and Fluids (2015), doi: 10.1016/j.compfluid.2015 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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Section: Particle Shifting and Collision Handlingmentioning

confidence: 99%

“…Many researchers have developed some techniques to handle this problem [13,14,16,17,27,28]. Among these improvements, rearranging the particle…”

Section: Particle Shifting and Collision Handlingmentioning

confidence: 99%

Modified MPS method for the 2D fluid structure interaction problem with free surface

et al. 2015

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“…In this section, only a brief summary of the MPS method is stated while the detailed description about models and algorithms is well described in Refs. [7,8,15]. …”

Section: Moving Particle Semi-implicit Methodsmentioning

confidence: 99%

“…To reduce computational resources, we used the wall particle mirroring model [8] for the wall boundary condition. In this model, the fixed wall particles make up the first line of walls and mirroring wall particles are arranged if fluid particles are within 2.1 l 0 from the wall (see Fig.…”

Section: Wall Particle Modelmentioning

confidence: 99%

“…In the study of Park and Jeun [8], the concept of nonpenetrating rigid body dynamics [9][10][11] was coupled with the MPS method to increase the overall stability of the MPS calculations. In this method, the incompressibility of the fluid boundary particles were effectively maintained because the boundary particles could not be inherently close to each other.…”

Section: Introductionmentioning

confidence: 99%

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Calculation of water droplet impingement using the coupled method of rigid body dynamics and the moving particle semi-implicit method

Park

Jeun

2011

J Mech Sci Technol

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When a liquid droplet impacts on a solid surface, it recoils to the center of that surface after reaching its maximum spreading diameter. The mechanism of droplet recoiling is not fully understood. To simulate this recoiling of a droplet, a particle method is a good choice because it does not require grids for simulating fluid motions, and can easily handle a large deformation of fluid. In this study, the coupled method of rigid body dynamics and the moving particle semi-implicit (MPS) method (Park and Jeun, 2011) was used to calculate three-dimensional droplet impingement. Also, the previous surface tension model for MPS (Nomura et al., 2001) was revised to get a more realistic surface tension force. A two-step calculation was performed. In the first step, a MPS calculation was performed with particles that were considered to have no mass or volume. In the second step, rigid body dynamics came into the calculation and considered the diameters of particles being slightly lesser than the initial distance between particles. In this study, the calculated results were compared with the measured data (Kim and Chun, 2000) and the recoiling lengths of droplets for the various initial impingement speeds were estimated.

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Improved boundary treatment for the smoothed particle hydrodynamics method using implicit surfaces

Bui

Nakata

2020

Math Methods in App Sciences

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The boundary treatment for modeling complex geometries in smoothed particle hydrodynamics (SPH) methods is always challenging, especially for objects with sharp corners. In this paper, we propose an improved boundary treatment technique to handle boundary conditions in the SPH method where objects are represented as implicit surfaces. The improved boundary treatment technique provides a full treatment for complicated geometries and can handle sharp edges without any special treatment. The boundary particles are uniformly distributed in compliance with the curvature of the objects, therefore taking into consideration the effect of the boundary. Several simulations are presented to validate and demonstrate the applicability and versatility of the proposed technique.

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Coupling of rigid body dynamics and moving particle semi-implicit method for simulating isothermal multi-phase fluid interactions

Cited by 22 publications

References 13 publications

Modified MPS method for the 2D fluid structure interaction problem with free surface

Modified MPS method for the 2D fluid structure interaction problem with free surface

Calculation of water droplet impingement using the coupled method of rigid body dynamics and the moving particle semi-implicit method

Improved boundary treatment for the smoothed particle hydrodynamics method using implicit surfaces

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