EasyChair Preprint № 4266 Crowd Flow Collisions Simulation Aseel Bajhmoum, Muath Alghamdi, Saud Alboqami, Mohammad Alasmari, Tarik Alaff and Abdulaziz Alshaer EasyChair preprints are intended for rapid dissemination of research results and are integrated with the rest of EasyChair. September 25, 2020