@article{article6c043088, title = {On graded elements for multiphysics applications}, author = {Silva, Emílio Carlos Nelli and Carbonari, Ronny Calixto and Paulino, Gláucio Hermogenes}, year = {2007}, doi = {10.1088/0964-1726/16/6/045}, journal = {Smart Materials and Structures} }