Hello, I am Telecommunications Engineer, I have made several yagi antena designs and I have simulate them using the software MMANA. I can send you some photo of the radiation pattern and calculations of previous works of folded and unfolded dipole done by me in this software.I think I can help you in simulation but I need more details like sizes, photo, etc. I would like work yor you using milestone payment, please contact me on chat.
Thank you