2D_LES_CFD

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2D LES CFD Solver

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# 2D LES CFD Solver

Final project for the CFD course (24718) at CMU.

## Objectives
   
* In our project, we have set out to model the ill effects of having pollution sources in the vicinity of a city. Power plants are a source of constant heat and pollution. While they are designed for maximum thermal efficiency and economy in mind, the long-term health impacts due to pollution should also
be taken into account. 
    
* A 2D transient incompressible Navier-Stokes solver was developed in Python that models energy and scalar transport, incorporating buoyancy effects. 
    
* 2D CFD parametric studies were performed on vertical positions of pollutant source and building configurations. 
    
* Our study establishes the need for computational analysis as a tool for policy decisions and regulations for city layouts and power plant locations.

* We have also augmented our solver to solve for turbulent flows in the form of large eddy simulation (LES) based on the Smagorinsky-Lilly model.

## Setup

- ### Computational Domain and Boundary Conditions
![](https://raw.githubusercontent.com/pranshupant/2D_LES_CFD/master/Images/BCs.png)

- ### Mesh for the Simulation
![](https://raw.githubusercontent.com/pranshupant/2D_LES_CFD/master/Images/mesh.png)

## Results

- ### Flow of pollutant around City
![](https://raw.githubusercontent.com/pranshupant/2D_LES_CFD/master/Images/phi.gif)

- ### Heat flow around City
![](https://raw.githubusercontent.com/pranshupant/2D_LES_CFD/master/Images/T.gif)

## Installation required!
ruamel.yaml <br>
https://pypi.org/project/ruamel.yaml/
```
    pip3 install ruamel.yaml
Or
    conda install ruamel.yaml
```
## Steps to Run Solver
<ol>
<li>Edit config.yml to step up parameters of the simulation.</li>
<li>Simply run the following command to run the simulation.</li>
</ol>

```
    python3 main.py
```

2D_LES_CFD

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