E. F. Lopes

Evaluation of Ultrasonic Beam Models for the Case of a Piston Transducer Radiating Through A Liquid-Solid Interface

T. A. Gray, R. B. Thompson, Byron Newberry, 1986 .

The radiation of elliptical and bicylindrically focused piston transducers

T. A. Gray, V. G. Kogan, E. F. Lopes, 1987 .

The effects of focusing and refraction on Gaussian ultrasonic beams

E. F. Lopes, R. B. Thompson, 1984 .

Evaluation of bearing capacity methods for shallow foundations in unsaturated soils

E. F. Lopes, A. Moura, Francisco Chagas da Silva Filho, 2020 .