Here the list of the optical simulations which can be useful to understand Advanced Virgo. It is a wiki, so everyone is free to modify/add the content if it feels pertinent.
Possible template for the task:
Motivation (what to look at, linked to a previous measurement ?)
How to do it (what to tune, interferometer conditions)
Person to contact for more informations
Where the results are written (could be in the logbook, TDS, attached file)
Simplified model for thermal lensing, for 14W of input power: