Authors
Francisco Rodrigues
Instituto Superior de Engenharia de Coimbra Centre for Mechanical Engineering of the University of Coimbra Rua Antero de Quental 195, 3000-033, Coimbra, Portugal
Inácio Fonseca
Assistat prof., Instituto Superior de Engenharia de Coimbra Centre for Mechanical Engineering of the University of Coimbra Rua Antero de Quental 195, 3000-033, Coimbra, Portugal
José Torres Farinha
Instituto Superior de Engenharia de Coimbra Centre for Mechanical Engineering of the University of Coimbra Rua Antero de Quental 195, 3000-033, Coimbra, Portugal
Luís Ferreira
Faculdade de Engenharia da Universidade do Porto Praça de Gomes Teixeira, 4099-002, Porto, Portugal