Traveling and standing thermoacoustic waves in solid media
نویسندگان
چکیده
منابع مشابه
Propagation of traveling waves in excitable media.
Traveling waves transmit information through space. Wave patterns arise in phenomena as diverse as the migrating action potentials of neurons (Hodgkin and Huxley 1952), spiraling bands of electrical excitation detected in cardiac muscle (Davidenko et al. 1992), and the movement of calcium within differentiating Xenopus laevis oocytes (Lechleiter et al. 1991). In each of these cases, an excitabl...
متن کاملPropagation o! traveling waves in excitable media
Traveling waves transmit information through space. Wave patterns arise in phenomena as diverse as the migrating action potentials of neurons (Hodgkin and Huxley 1952), spiraling bands of electrical excitation detected in cardiac muscle (Davidenko et al. 1992), and the movement of calcium within differentiating Xenopus laevis oocytes (Lechleiter et al. 1991). In each of these cases, an excitabl...
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In the Belousov-Zhabotinsky reaction-diffusion system dispersed in a newly developed water-in-oil aerosol OT/Span-20 microemulsion, the transition between standing waves and traveling waves is accompanied by a halving of the wavelength.
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The visual cortex represents stimuli through the activity of neuronal populations. We measured the evolution of this activity in space and time by imaging voltage-sensitive dyes in cat area V1. Contrast-reversing stimuli elicit responses that oscillate at twice the stimulus frequency, indicating that signals originate mostly in complex cells. These responses stand clear of the noise, whose ampl...
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We prove existence, uniqueness, and stability of transition fronts (generalized traveling waves) for reaction-diffusion equations in cylindrical domains with general inhomogeneous ignition reactions. We also show uniform convergence of solutions with exponentially decaying initial data to time translates of the front. In the case of stationary ergodic reactions the fronts are proved to propagat...
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ژورنال
عنوان ژورنال: Journal of Sound and Vibration
سال: 2019
ISSN: 0022-460X
DOI: 10.1016/j.jsv.2019.02.029