quasi-periodic motion

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quasi-periodic motion

[¦kwä·zē ‚pir·ē′äd·ik ′mō·shən]
(physics)
Motion at two frequencies simultaneously, where the ratio of the frequencies is not a rational number.
References in periodicals archive ?
The s-v phase diagram is made up by many closed curves combining with Poincaree section, and it can be indicated that the response of pipe wall is the quasiperiodic motion.
These all showed that the response of pipe wall is the quasiperiodic motion.
And from the bifurcation diagram, it can be speculated that the response of pipe wall would be alternately in quasiperiodic motion, multiperiod motion, and even chaos motion.
Combining these four figures, it can be indicated that the response of pipe wall is the quasiperiodic motion.