T. C. de Godoy, M. A. Trindade, J.-F. Deü, TOPOLOGICAL OPTIMIZATION OF PIEZOELECTRIC ENERGY HARVESTING DEVICES FOR IMPROVED ELECTROMECHANICAL EFFICIENCY AND FREQUENCY RANGE, Blucher Mechanical Engineering Proceedings, Volume 1, 2014, Pages 4003-4016, ISSN 23580828, http://dx.doi.org/10.5151/meceng-wccm2012-19664 (www.proceedings.blucher.com.br/article-details/topological-optimization-of-piezoelectric-energy-harvesting-devices-for-improved-electromechanical-efficiency-and-frequency-range-9289) Palavras-chave:: ;