What question did this study set out to answer?

The research aims to improve the efficiency of wind flow simulations in urban environments.

April 1, 2026Open Access

Wind Flow Simulation in City using Computation Fluid Dynamics and Parallel Computing

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Simulation investigates wind flow dynamics in a city, suggesting efficient computation methods.

The research aims to improve the efficiency of wind flow simulations in urban environments.
Utilized parallel computation based on domain decomposition to reduce calculation time.
Assumed wind flow as incompressible viscous flow governed by the Navier-Stokes equation.
Employed mixed interpolation and the bubble function element for spatial discretization.
Applied the fractional step method for time discretization with the Crank-Nicolson scheme.
Achieved stable computations using a high-performance supercomputer.
Demonstrated that parallel computing significantly reduced calculation time.
Achieved parallel efficiency exceeding 100% with supercomputer calculations.
Confirmed the effectiveness of various computational methodologies for urban wind flow simulations.

NOJIMA et al. (2004) studied this question.

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