reg bicycle dynamo

hi,i am doing m tech and i am doing project on renewable energy source in which i am using Bicycle Dynamo(bottle type) so the thing is that can i simulate the characteristics of bicycle dynamo in COMSOL as the output of the dynamo is ac
if so which part of COMSOL i have to download and one more thing i have to get the transfer function of the dynamos can it possible to get through this software