Recent Advances in the Development of Reliable Neural Simulators Based on Graph Architectures *E. Cueto (Chair of the Spanish National Strategy on AI. Aragón Institute of Engineering Research. Universidad de Zaragoza), M. M. Iparraguirre (Chair of the Spanish National Strategy on AI. Aragón Institute of Engineering Research. Universidad de Zaragoza), L. Tesán (Chair of the Spanish National Strategy on AI. Aragón Institute of Engineering Research. Universidad de Zaragoza), P. Martins (Aragonese Foundation for Research and Development (ARAID), Aragon), A. Tierz (Chair of the Spanish National Strategy on AI. Aragón Institute of Engineering Research. Universidad de Zaragoza), I. Alfaro (Chair of the Spanish National Strategy on AI. Aragón Institute of Engineering Research. Universidad de Zaragoza), D. González (CNRS@CREATE LTD, Singapore and ESI Group chair, PIMM Lab, ENSAM Institute of Technology, Paris, France), F. Chinesta (CNRS@CREATE LTD, Singapore and ESI Group chair, PIMM Lab, ENSAM Institute of Technology, Paris, France)