2015
DOI: 10.1016/j.powtec.2014.11.025
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PIBM: Particulate immersed boundary method for fluid–particle interaction problems

Abstract: It is well known that the number of particles should be scaled up to enable industrial scale simulation. The calculations are more computationally intensive when the motion of the surrounding fluid is considered. Besides the advances in computer hardware and numerical algorithms, the coupling scheme also plays an important role on the computational efficiency. In this study, a Particulate Immersed Boundary Method (PIBM) for simulating the fluid-particle multiphase flow was presented and assessed in both two-an… Show more

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Cited by 32 publications
(15 citation statements)
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References 37 publications
(81 reference statements)
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“…It was also observed that bottom row is nearly settled at the bottom of the computational domain after about 5000 time steps .Such three-dimensional behavior is almost opposite to two-dimensional results reported by previous authors such as ((Feng, Hu et al 1994, Feng andMichaelides 2004). (Zhang, Trias et al 2015) who studied three-dimensional particle sedimentation, reported the same behavior, which confirms our findings in such flow geometry.…”
Section: Sedimentation Of Two In-line Spheres In a Quiescent Fluidsupporting
confidence: 83%
“…It was also observed that bottom row is nearly settled at the bottom of the computational domain after about 5000 time steps .Such three-dimensional behavior is almost opposite to two-dimensional results reported by previous authors such as ((Feng, Hu et al 1994, Feng andMichaelides 2004). (Zhang, Trias et al 2015) who studied three-dimensional particle sedimentation, reported the same behavior, which confirms our findings in such flow geometry.…”
Section: Sedimentation Of Two In-line Spheres In a Quiescent Fluidsupporting
confidence: 83%
“…A proper simplification on the fluid phase can be therefore tolerated especially when treating a system where inter-particle collisions dominate [11,12,13]. For this reason, we further proposed a Particulate Immersed Boundary Method (PIBM) [14] to improve the computational efficiency of the original LBM-IBM-DEM scheme. The basic idea of the PIBM is to remove the constraints between the Lagrangian points and thus each Lagrangian point is treated as one single solid particle.…”
Section: Introductionmentioning
confidence: 99%
“…Among the most commonly used interaction laws are the 'Hard' contact law based on conservation of momentum [33], linear law [34,35] and the nonlinear law [36][37][38] as adopted in this study. The calculation of interaction force is not necessary in the 'Hard' contact models.…”
Section: Governing Equationsmentioning
confidence: 99%