Howto addSpraySubModels
From OpenFOAMWiki
Below is a step-by-step instruction of howto add your own breakup model for the Lagrangian spray in OpenFOAM 2.x.y.
Once you have understood how it works it should be straightforward to add any submodel for the Lagrangian class.
The submodels related to the spray are located under src/lagrangian/spray/submodels.
The submodels related to injection, momentum -, heat - and mass transfer are located under src/lagrangian/intermediate/submodels.
