EV simulation- Battery Capacity Loss

I am currently researching the following for part of my dissertation where i would be doing a predictive 1D model on the Capacity or Battery Capacity Loss Due To Bi-Directional Energy Exchange in a vehicle to grid (V2G) system.

I wanted to know I could receive any feedback on how I could go about modelling this with some assumptions and parameters. This would include an interface where you can choose variables and from that a predictive result would be generated.

Please feel free to comment.