Two-dimensional interpolation-supplemented and Taylor-series expansion-based lattice Boltzmann method and its application |
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| Institution: | 1. Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, Zhenjiang 212013, China;2. Department of Mechanical Engineering, Eindhoven University of Technology, Eindhoven 5600MB, The Netherlands;1. Manufacturing Engineering Institute, Samsung Electro-Mechanics, 150 Maeyoung-Ro, Youngtong-Gu, Suwon-Si, Gyeonggi-Do 443-743, Republic of Korea;2. Department of Embedded Systems Engineering, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 406-772, Republic of Korea;3. Department of Electronics and Computer Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea;1. SCK?CEN, Belgian Nuclear Research Centre, Boeretang 200, BE-2400 Mol, Belgium;2. Delft University of Technology, Mekelweg 15, NL-2629 JB Delft, The Netherlands |
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| Abstract: | Two-dimensional interpolation-supplemented and Taylor-series expansion-based lattice Boltzmann method (ITLBM) is proposed to simulate flows in the non-uniform grids. The proposed method is based on the standard lattice Boltzmann method, interpolation-supplemented and Taylor-series expansion. The final formulation can be used on any mesh structure and lattice Boltzmann model. Numerical test of a two-dimensional channel flow around a square cylinder has been studied. The computational efficient and recirculation length at Re = 1, 15 are obtained. Comparing the results from the ITLBM with those from the standard LBM, it has been concluded that the proposed method has good prospects in the hydrodynamic and aerodynamic engineering applications. |
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