Communications of the ECMS Volume 35, Issue 1, June 2021 Proceedings of the 35 th ECMS International Conference on Modelling and Simulation ECMS 2021 May 31 st – June 2 nd , 2021 United Kingdom Edited by: Khalid Al-Begain Mauro Iacono Lelio Campanile Andrzej Bargiela Organized by: ECMS - European Council for Modelling and Simulation Web-hosted by: Kuwait College of科学技术赞助人:科威特科学技术学院