Journal of the Brazilian Society of Mechanical Sciences and Engineering v.34 n.4 2012 Journal of the Brazilian Society of Mechanical Sciences and Engineering Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM) instacron:ABCM Journal of the Brazilian Society of Mechanical Sciences and Engineering, Volume: 34, Issue: 4, Pages: 477-485, Published: DEC 2012 Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) Universidade de São Paulo (USP) instacron:USP