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In this study, weComputational Fluid Dynamics (CFD) performTall building Large-EddyInterference effect Simulation (LESLarge Eddy Simulation (LES)) to investigate the interference effectInterference effect of generic tall square buildings in tandem, oblique, and parallel arrangements using Lattice-Boltzmann-Method (LBMLattice Boltzmann Method (LBM))-based Computational Fluid Dynamics (CFDComputational Fluid Dynamics (CFD)) simulations. The buildings are identical and have a distance spacing of 1.5 times their widths. The simulation results are compared with experimental data and show good agreement. The interference effectInterference effect is quantified by calculating the interference factor of mean pressure coefficientPressure coefficients, IFCp-mean, and the interference factor of root-mean-square (rms) pressure coefficientPressure coefficients, IFCp-rms, on each face of the primary building. It was found that the parallel arrangement resulted in the highest IFCp-mean and IFCp-rms on the left side of the primary building, and the tandem arrangement showed a high magnitude of negative IFCp-mean on the front face, indicating a shielding effect caused by the interfering building. This study demonstrates the effectiveness of LBMLattice Boltzmann Method (LBM)-based CFDComputational Fluid Dynamics (CFD) simulations in investigating the interference effectInterference effect of tall buildingsTall building and highlights the importance of considering such effects in building design and wind environment assessment.

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Interference Effect of Tall Buildings in Various Arrangements Using Lattice-Boltzmann-Method-Based CFD Simulation

  • 会议论文

  • 发表日期：

    2026年

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  • Saiful Naim Sulaiman,
  • Thomas Indinger,
  • Christian F. Janssen

摘要

In this study, weComputational Fluid Dynamics (CFD) performTall building Large-EddyInterference effect Simulation (LESLarge Eddy Simulation (LES)) to investigate the interference effectInterference effect of generic tall square buildings in tandem, oblique, and parallel arrangements using Lattice-Boltzmann-Method (LBMLattice Boltzmann Method (LBM))-based Computational Fluid Dynamics (CFDComputational Fluid Dynamics (CFD)) simulations. The buildings are identical and have a distance spacing of 1.5 times their widths. The simulation results are compared with experimental data and show good agreement. The interference effectInterference effect is quantified by calculating the interference factor of mean pressure coefficientPressure coefficients, IFCp-mean, and the interference factor of root-mean-square (rms) pressure coefficientPressure coefficients, IFCp-rms, on each face of the primary building. It was found that the parallel arrangement resulted in the highest IFCp-mean and IFCp-rms on the left side of the primary building, and the tandem arrangement showed a high magnitude of negative IFCp-mean on the front face, indicating a shielding effect caused by the interfering building. This study demonstrates the effectiveness of LBMLattice Boltzmann Method (LBM)-based CFDComputational Fluid Dynamics (CFD) simulations in investigating the interference effectInterference effect of tall buildingsTall building and highlights the importance of considering such effects in building design and wind environment assessment.