Professors Kostadin Ivanov (Head of Nuclear Engineering Department (NED)) and Maria Avramova (Director of Consortium for Nuclear Engineering (CNP)) visited the Institute for Neutron Physics and Reactor Technology (INR) at Karlsruhe Institute of Technology (KIT), Germany on February 27 and 28, 2023. Professors Ivanov and Avramova presented a seminar entitled “Demonstration of Utilization of High to Low (Hi2Lo) Fidelity Information Schemes within Advanced Multi-Physics Modeling and Simulation Frameworks” and discussed collaboration activities in modeling and simulation and experimentation for advanced nuclear and fusion energy between NED/CNP and INR.