충청수학회지 (Journal of the Chungcheong Mathematical Society)
- 제21권3호
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- Pages.413-426
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- 2008
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- 1226-3524(pISSN)
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- 2383-6245(eISSN)
ASYMPTOTIC SOLUTIONS OF FOURTH ORDER CRITICALLY DAMPED NONLINEAR SYSTEM UNDER SOME SPECIAL CONDITIONS
- Lee, Keonhee (Department of Mathematics Chungnam National University) ;
- Shanta, Shewli Shamim (Department of Mathematics University of Rajshahi)
- 투고 : 2008.07.31
- 심사 : 2008.08.27
- 발행 : 2008.09.30
초록
An asymptotic solution of a fourth order critically damped nonlinear differential system has been found by means of extended Krylov-Bogoliubov-Mitropolskii (KBM) method. The solutions obtained by this method agree with those obtained by numerical method. The method is illustrated by an example.