Carmen Chicone, Kenny Felts
Abstract:
The existence of non-monotone period
functions for differential equations of the form
is proved for large
, where H is the Heaviside
function and the functions f and g satisfy certain
generic conditions. This result is precipitated by an
analysis of the system
which models the conservative dimensionless impact pendulum
utilizing Hertzian contact during impact with a barrier at
the downward vertical position.
Submitted December 17, 2007. Published March 20, 2008.
Math Subject Classifications: 34C15, 34C25, 37N15.
Key Words: Period function; impact oscillator.
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Carmen Chicone Department of Mathematics University of Missouri-Columbia Columbia, MO 65211-4100, USA e-mail: carmen@chicone.math.missouri.edu | |
Kenny Felts Department of Mathematics University of Missouri-Columbia Columbia MO 65211-4100, USA email: krf835@mizzou.edu |
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