Gett access to the collision operator or transport equation

Hello everyone,

I’m trying to implement a model that includes heat and mass transfer as in the paper “A lattice Boltzmann method for simulation of liquid-vapor phase-change heat transfer” by Shuai Gong and Ping Cheng. It basically couples a modified multiphase model with an energy equation (temperature) model and adds a source-term to the evolution equation of the energy model to include phase-change.
I want to do this using modified ShanChen- and AdvectionDiffusion-lattices. Does anyone know if this is possible? I have to change the equation of state for the ShanChen-lattice (Peng-Robinson) and modify the temperature evolution equation, but i don’t know where to find or how to modify them.
Thanks for your help.