1. Faculty of Engineering Mechanics, Department of Mechanical Design, C.P. 6122, 13083-970, State University of Campinas, Campinas, SP, Brazil
2. Department of Statistics, Applied Mathematics and Computation, UNESP – Rio Claro, C.P. 178, 13500-230 Rio Claro, SP, Brazil
3. Department of Design Mechanical, Faculty of Engineering Mechanics, UNICAMP, Campinas, Brazil