Parametric resonance

Computer simulation experiments are especially good tools for helping students understand basic principles of physics. In this a, I have developed a package of simulation programs called Physics of Oscillations. One of its programs is suited for examining the phenomenon of paramagnetic resonance in...

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Vydáno v:Computing in science & engineering Ročník 1; číslo 3; s. 76 - 83
Hlavní autor: Butikov, E.I.
Médium: Journal Article
Jazyk:angličtina
Vydáno: IEEE 01.05.1999
Témata:
Amplitude modulation
Angular velocity
Boundaries
Computer simulation
Differential equations
Excitation
Frequency modulation
Linear systems
Mathematical analysis
Nonlinear optics
Optical sensors
Oscillations
Oscillators
Packages
Physics
Resonance
Students
Torque
ISSN:1521-9615
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Shrnutí:Computer simulation experiments are especially good tools for helping students understand basic principles of physics. In this a, I have developed a package of simulation programs called Physics of Oscillations. One of its programs is suited for examining the phenomenon of paramagnetic resonance in a linear system. The program simulates the parametric excitation of the rotary oscillations of a mechanical torsion-spring pendulum whose moment of inertia is subject to periodic variations. I discuss the conditions and characteristics of parametric resonance, including paramagnetic regeneration. Instructors and their students can also use the Physics of Oscillations package to explore other problems, such as ranges of frequencies within which parametric excitation is possible and stationary oscillations on the boundaries of these ranges. The simulation experiments complement the analytical study of the subject in a manner that is mutually reinforcing.
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ISSN:1521-9615
DOI:10.1109/5992.764219