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Energy conservation and chaos in the gravitationally driven Fermi oscillator (CROSBI ID 80598)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Lopac, Vjera ; Dananić, Vladimir Energy conservation and chaos in the gravitationally driven Fermi oscillator // American journal of physics, 66 (1998), 10; 892-902-x

Podaci o odgovornosti

Lopac, Vjera ; Dananić, Vladimir

engleski

Energy conservation and chaos in the gravitationally driven Fermi oscillator

Chaotic dynamics of the two-body conservative system, which consists of a particle of mass m bouncing elastically on a horizontal plate of mass M supported by an elastic spring, is investigated. The system integrates the properties of coupled oscillators with those of the bouncing ball and impact oscillator problems. Results obtained by varying the mass ratio M/m and the spring constant k in numerical computations are presented in the form of time-dependent diagrams and discrete maps. The rich variety of resulting chaotic behavior includes strange attractors with fractal structure, resonant islands, crisis, and intermittency route to chaos. The system has a remarkable didactic value as an example of chaotic behavior in simple systems close to everyday experience. The integrable limit M=0 is appropriate for introducing the phase portraits and discussing the interrelationship between the shape of the potential energy curves and the resulting oscillatory motion.

bouncing ball; chaotic behavior; conservation system; coupled oscillators; energy conservation; Fermi oscillator; impact oscillator; oscillatory motion; phase portraits

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Podaci o izdanju

66 (10)

1998.

892-902-x

objavljeno

0002-9505

Povezanost rada

Fizika

Indeksiranost