Open Access

ARTICLE

An Error Estimator for the Finite Element Approximation of Plane and Cylindrical AcousticWaves

J. E. Sebold¹, L. A. Lacerda², J. A. M. Carrer³

1 Federal Institute of Education, Science and Technology - Campus Araquari, Santa Catarina, Brazil
2 Institute of Technology for Development, Curitiba, Paraná, Brazil.
3 Federal University of Paraná, Curitiba, Paraná, Brazil.