Numerical investigation of optical heartbeats with external driving forces

6533b7dafe1ef96bd126ecf9

RESEARCH PRODUCT

Numerical investigation of optical heartbeats with external driving forces

A. Yu. Chikishev Davide Valenti Bernardo Spagnolo S. I. Lebedenko Oleg O. Brovko

subject

Fluctuation phenomena random processes noise and Brownian motion Physics Classical mechanics Nonlinear model Harmonics Harmonic General Physics and Astronomy Natural frequency Mechanics Settore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)Damped oscillations

description

The role of harmonic and random external forces in a phenomenological nonlinear model of optical heartbeats is investigated. External forces trigger damped oscillations at the natural frequency of the system and higher harmonics. The numerical results are compared with experimental ones.

year	journal	country	edition	language
2010-06-01	Moscow University Physics Bulletin

https://doi.org/10.3103/s0027134910030057

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