This project analyses the steady-state flow around an isolated building. The aim is to validate the flow around the building against experiments carried out at the Japan Wind Institute . An atmospheric boundary layer profile is implemented at the inflow.
The numerical simulation results of SimScale were compared with the experimental results.
The geometry is a rectangular block which was created based on the physical setup.
The “Hex-dominant parametric (only CFD)” tool was used to mesh the domain. Different mesh refinements were applied to get a good quality mesh.
Tool Type : OPENFOAM®
Analysis Type : Incompressible Steady-state (Turbulent)
Mesh and Element types :
|Mesh type||Number of volumes||Type|
Air with kinematic viscosity of
is assigned as the domain fluid. The boundary conditions for the simulation are shown in Table 2.
|Parameter||Top, Left and right||Inlet||Outlet||Building and bottom walls|
|Velocity||Slip wall||From File||Zero Gradient||No-Slip wall|
|Pressure||Slip wall||Zero Gradient||
|Slip wall||Same as Initial value||Zero Gradient||Wall Functions|
|omega||Slip wall||Same as Initial value||Zero Gradient||Wall Functions|
The velocity at inlet is assigned through the file-upload option provided on the platform. The file corresponds to the velocity profile provided by experiments .
The numerical simulation results of longitudinal velocity at different planes are compared with experimental results provided in study .
|||(1, 2, 3, 4) http://www.aij.or.jp/jpn/publish/cfdguide/index_e.htm|
|||Cooperative project for CFD prediction of pedestrian wind environment in then Architectural Institute of Japan|
This offering is not approved or endorsed by OpenCFD Limited, producer and distributor of the OpenFOAM software and owner of the OPENFOAM® and OpenCFD® trade marks. OPENFOAM® is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM software.