An explicit immersed boundary-reconstructed thermal lattice Boltzmann flux solver for thermal–fluid-structure interaction problems

Wu，Buchen1,2; Lu，Jinhua5; Lee，Hsu Chew2; Shu，Chang1; Wan，Minping2,3,4

2022-12-01

10.1016/j.ijmecsci.2022.107704

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES   Impact Factor & Quartile

0020-7403

1879-2162

Thermal–fluid–structure interaction (TFSI) problems involving multi-physics coupled effects are ubiquitous in natural environment and manmade devices. A novel coupling approach of the explicit immersed boundary-reconstructed thermal lattice Boltzmann flux solver (EIB-RTLBFS) is developed specifically to tackle TFSI problems, where a fractional method is introduced to solve TFSI problems in two successive steps. Firstly, the EIB is utilized to efficiently compute the velocity and temperature corrections that satisfy the Dirichlet boundary conditions on the surface of the solid domain. Secondly, RTLBFS, a weakly compressible finite volume solver with a clear mechanism to possess good numerical stability for high Rayleigh number convection problems, is employed to model the thermal flow. The EIB-RTLBFS is shown to be second-order accurate in space. Three benchmark cases, such as unsteady flow and natural convection that involves moving boundary, are used to evaluate the capability and robustness of EIB-RTLBFS for TFSI problems. Subsequently, a fully coupled thermal–fluid–structure system is established with a membrane structure governing equation, and the results demonstrate that the EIB-RTLBFS can accurately predict the nonlinear characteristics of this multiphysics system.

Explicit immersed boundary method (EIB) Large deformation Reconstructed thermal lattice Boltzmann flux solver (RTLBFS) Thermal–fluid–structure interaction (TFSI)

EI ; SCI

English

Corresponding

Key-Area Research and Devel-opment Program of Guangdong Province, China[2021B0101190003] ; Department of Science and Technology of Guangdong Province, China[2020B1212030001] ; Shenzhen Science & Technology Program, China[KQTD20180411143441009]

Engineering ; Mechanics

Engineering, Mechanical ; Mechanics

WOS:000888283300002

PERGAMON-ELSEVIER SCIENCE LTD

20223712739745

Fluid structure interaction ; Natural convection ; Nonlinear equations ; Turbulent flow

Fluid Flow, General:631.1 ; Heat Transfer:641.2

ENGINEERING

2-s2.0-85137754996

Scopus

1.Department of Mechanical Engineering,National University of Singapore,Singapore,10 Kent Ridge Crescent,119260,Singapore
2.Guangdong Provincial Key Laboratory of Turbulence Research and Applications,Department of Mechanics and Aerospace Engineering,Southern University of Science and Technology,Shenzhen,Guangdong,518055,China
3.Guangdong-Hong Kong-Macao Joint Laboratory for Data-Driven Fluid Mechanics and Engineering Applications,Southern University of Science and Technology,Shenzhen,Guangdong,518055,China
4.Jiaxing Research Institute,Southern University of Science and Technology,Jiaxing,Zhejiang,314031,China
5.Department of Mechanical Engineering,Chair of Aerodynamics and Fluid Mechanics,Technical University of Munich,Garching,Boltzmannstraße 15,85748,Germany

Wu，Buchen,Lu，Jinhua,Lee，Hsu Chew,等. An explicit immersed boundary-reconstructed thermal lattice Boltzmann flux solver for thermal–fluid-structure interaction problems[J]. INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES,2022,235.

Wu，Buchen,Lu，Jinhua,Lee，Hsu Chew,Shu，Chang,&Wan，Minping.(2022).An explicit immersed boundary-reconstructed thermal lattice Boltzmann flux solver for thermal–fluid-structure interaction problems.INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES,235.

Wu，Buchen,et al."An explicit immersed boundary-reconstructed thermal lattice Boltzmann flux solver for thermal–fluid-structure interaction problems".INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES 235(2022).