Author Details

Davidson Moreira, Marco Vilhena

Davidson Martins Moreira is a graduate in physics with a doctorate in mechanical engineering at the Federal University of Rio Grande do Sul (UFRGS). He is a researcher at the National Council for Scientifi c and Technological Development (CNPq), Brasilia, Brazil. Currently, he works as a liaison offi cer for the International Atomic Energy Agency (IAEA) in Brazil.Marco Túllio M. B. de Vilhena is a senior professor of mathematics and mechanical engineering at the undergraduate and graduate levels and has supervised approximately 80 master’s and doctoral dissertations.He is also a researcher