2018
DOI: 10.1016/j.jcp.2018.08.047
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A combined immersed boundary and discrete unified gas kinetic scheme for particle–fluid flows

Abstract: A discrete unified gas kinetic scheme (DUGKS) coupled with the immersed boundary (IB) method is developed to perform interface-resolved simulation of particle-laden flows. The present method (IB-DUGKS) preserves the respective advantages of the IB and DUGKS, i.e., the flexibility and efficiency for treating complex flows, and the robustness and low numerical-dissipation. In IB-DUGKS, the IB method is used to treat the fluid-solid interfaces and the DUGKS is applied to simulate the fluid flow, making use of the… Show more

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Cited by 55 publications
(28 citation statements)
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(124 reference statements)
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“…Even though diverse criteria exist in dividing the FSI problems, FSI problems can be classified into two categories according to the continuity of the solid: (i) FSI problems between the fluid and the continuous solids (FSI-C) [5][6][7] and (ii) FSI problems between the fluid and the discontinuous solids (FSI-D). [8][9][10] The simulation methods are relatively mature for FSI-C problems with small motion of the solids. 11 Problems with large movement of the solids, though challenging, can be solved by various approaches, including the arbitrary Lagrangian-Eulerian (ALE) method, 12,13 the overset mesh method, 14 the fictitious domain method, 15,16 and so on.…”
Section: Discussionmentioning
confidence: 99%
“…Even though diverse criteria exist in dividing the FSI problems, FSI problems can be classified into two categories according to the continuity of the solid: (i) FSI problems between the fluid and the continuous solids (FSI-C) [5][6][7] and (ii) FSI problems between the fluid and the discontinuous solids (FSI-D). [8][9][10] The simulation methods are relatively mature for FSI-C problems with small motion of the solids. 11 Problems with large movement of the solids, though challenging, can be solved by various approaches, including the arbitrary Lagrangian-Eulerian (ALE) method, 12,13 the overset mesh method, 14 the fictitious domain method, 15,16 and so on.…”
Section: Discussionmentioning
confidence: 99%
“…Therefore, using Eqs. (35), (33), (36) and (34) in turn, the original distribution functions f (x cf , ξ, t n + ∆t/6) and f (x cf , ξ, t n + 3∆t/4) can be obtained. With the determination of these original distribution functions, the micro-fluxes L n+1/6 j and L n+3/4 j can be fully evaluated according to Eq.…”
Section: Two-stage Third-order Temporal Discretizationmentioning
confidence: 99%
“…c) Calculate the auxiliary distribution functionf (x cf , ξ, t n + ∆t/3 + h) with Eq. (33) and Eq. 35, then calculate the density and velocity with Eq.…”
Section: Computation Proceduresmentioning
confidence: 99%
See 1 more Smart Citation
“…The discrete unified gas-kinetic scheme (DUGKS) is developed by Guo el al. is also a multiscale scheme [5,19], and has been successfully applied in the field of micro flow [20,21], gas mixture [22], gas-particle multiphase flow [23], phonon transport [24], radiation [25], etc. The general synthetic iteration scheme was first proposed by Wu et al for the steady state solution of the linearized kinetic eqaution [6], and is recently extended to the simulation of nonlinear kinetic equation and diatomic gas [26,27].…”
Section: Introductionmentioning
confidence: 99%