The process of converting a 3D BIM model to FDS CFD is designed to be straightforward. Based on the background grid where you set up the cells, your geometry is divided into small cubes. This is referred to as voxelization. Here’s an example of how a complex museum can be processed for FDS CFD.
![](https://www.bimhvactool.com/wp-content/uploads/2023/05/FDS0-1024x576.png)
![](https://www.bimhvactool.com/wp-content/uploads/2023/05/FDS1-1024x576.png)
![](https://www.bimhvactool.com/wp-content/uploads/2023/05/FDS4-1024x576.png)
![](https://www.bimhvactool.com/wp-content/uploads/2023/05/FDS3-1024x576.png)
![](https://www.bimhvactool.com/wp-content/uploads/2023/05/FDS2-1024x576.png)