# multiphaseDisperseFoam

CFD-PBM solver for dispersed multiphase flows. This solver is built on the OpenFOAM solver multiphaseEulerFoam and the OpenQBMM library.

## Prerequisites

* [OpenFOAM-4.x](https://github.com/OpenFOAM/OpenFOAM-4.x) - Open-source CFD toolbox version 4.x
* [OpenQBMM-2.0.0](https://github.com/OpenQBMM/OpenQBMM) - Open-source implementation of the Quadrature-Based Moment Method (QBMM)

## Installation

1. Ensure that you have a working OpenFOAM-4.x installation. If not, install OpenFOAM-4.x using the instructions given [here](https://openfoam.org/download/source/) or [here](https://openfoamwiki.net/index.php/Installation/Linux/OpenFOAM-4.x/Ubuntu).

2. Install the OpenQBMM-2.0.0 library for OpenFOAM using the instructions given [here](https://www.openqbmm.org/installation/)

3. Build the multiphaseQBMM project with the following steps:

* Download and extract the contents of this repository to a directory

* Open a terminal in the same directory and source/activate the OpenFOAM's shell environment:

```
source ~/opt/openfoam4/etc/bashrc
```

* Now execute the compilation script

```
./Allwmake
```

If the build is successful, no error messages will be shown, and the OpenQBMM solvers will be ready to use. You can test the installation by executing:

```
which multiphaseDisperseFoam
```

## Use

Set up the case directory, using the accompanying tutorial case (testCase) as template. For each dispersed phase, the associated initial moments (moment.*.phase), number of quadrature nodes (populationBalanceProperties.phase) and type of interactions(quadratureProperties.phase) need to be specified. 

Once the case has been setup, run the solver in the case directory using:

```
multiphaseDisperseFoam
```

## License

This project is licensed under the GNU General Public License v3.0 - see the [LICENSE](LICENSE) file for details