Evaluation of the Lattice Boltzmann Method for Aero-acoustic Simulations of Industrial Air Systems

Bocquet, S.; Ricot, Denis; Sengissen, Alois; Vincent-Viry, Cyril; Demory, Bruno; Henner, Manuel; Ailloud, Fabrice

doi:10.2514/6.2019-2415

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Lbm Boundary Condition Implementation1

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2023

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Cited by 6 publications

(2 citation statements)

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“…This first order approximation reinforces numerical robustness and is not expected to have a large impact on the overall precision of the computation since the normal component is minor. This full reconstruction process does not a priori conserve mass at the wall boundary, but it can potentially be combined with a correction for mass conservation such as the one of Bocquet et al [65] if required.…”

Section: Lbm Boundary Condition Implementationmentioning

confidence: 99%

Improved wall model treatment for aerodynamic flows in LBM

et al. 2021

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Section: Lbm Boundary Condition Implementationmentioning

confidence: 99%

Improved wall model treatment for aerodynamic flows in LBM

et al. 2021

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“…Commercial use of LBM in aeroacoustics has started in 2000-s [40][41][42][43][44] There are known applications to transonic and supersonic aeroacoustics [45][46][47]. Compressible LBM models are developed enough to be implemented in commercially available software such as Simulia PowerFLOW [45,48], ProLB [33,49].…”

Section: Introductionmentioning

confidence: 99%

Prediction of Moments in the Particles on Demand Method for LBM

Zipunova¹,

Perepelkina²,

null³

et al. 2023

CICP

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PonD is a method to extend LBM calculations to arbitrary ranges of Mach number and temperature. The current work was motivated by the issue of mass, momentum and energy conservation in the PonD method for LBM. The collision guarantees their conservation, thus, the study involves all aspects of the streaming step: both coordinate and velocity space discretizations, gauge transfer method, resolution of the scheme implicitness. After obtaining the expressions for the change of moments in the system in a time update of the scheme, it was found that the scheme can be formulated as explicit in some cases. Thus, we found the sufficient conditions to make Pond/RegPonD computations explicit and mass, momentum, and energy conserving. The scheme was implemented in the explicit form, and validated for several test cases.

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