@inproceedings{inproceedings8bc3294e, title = {Characterization of novel flextensional trasnducers designed by using topology optimization method}, author = {Nader, Gilder and Silva, Emílio Carlos Nelli and Adamowski, Júlio Cezar}, year = {2001}, publisher = {IEEE}, booktitle = {IEEE Ultrasonics Symposium} }