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Mostrando ítems 1-3 de 3

Nonlinear focal shift beyond the geometrical focus in moderately focused acoustic beams

Camarena Femenia, Francisco; Adrián Martínez, Silvia; Jimenez, Noe; Sánchez Morcillo, Víctor José (Acoustical Society of America, 2013-08)

The phenomenon of the displacement of the position along the axis of the pressure, intensity, and radiation force maxima of focused acoustic beams under increasing driving voltages (nonlinear focal shift) is studied for ...
Simultaneous self-collimation of fundamental and second-harmonic in sonic crystals

Soliveres, Ester; Pérez Arjona, Isabel; Picó Vila, Rubén; Espinosa Roselló, Víctor; Sánchez Morcillo, Víctor José; Staliunas, K. (American Institute of Physics (AIP), 2011-10)

Simultaneous self-collimation of sound beams with different frequencies, corresponding to fundamental wave and to its second harmonic, is proposed theoretically and demonstrated experimentally. The result is obtained when ...
Time-Domain Simulation of Ultrasound Propagation in a Tissue-Like Medium Based on the Resolution of the Nonlinear Acoustic Constitutive Relations

Jimenez, Noe; Camarena Femenia, Francisco; Redondo, Javier; Sánchez Morcillo, Víctor José; Hou, Yi; Konofagou, Elisa E. (Hirzel Verlag (S. Hirzel Verlag)European Acoustics Association (EAA), 2016-09)

A time-domain numerical code based on the constitutive relations of nonlinear acoustics for simulating ultrasound propagation is presented. To model frequency power law attenuation, such as observed in biological media, ...

Mostrando ítems 1-3 de 3

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