For the benefit of the users and developers, all the questions related with the theory and companion computer programs of efficient high-fidelity composite models are asked and answered through 
HiFi-Comp. You will need a valid email address to join the group. Please join HiFi-Comp right now to post any question you could have and Prof. Yu and his co-workers will try to answer the questions at the earliest convenience if the question has not been answered before.
FAQs for different codes are also regularly collected from the group and listed along with the webpage associated with each code. Your questions are always welcome and appreciated.