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Title: Solution procedure of residue harmonic balance method and its applications
Author(s): Leung, Andrew Yee Tak 
Author(s): Ma, X. Y.
Guo, Z. J.
Issue Date: 2014
Publisher: Springer
Journal: Science China Physics, Mechanics & Astronomy 
Volume: 57
Issue: 8
Start page: 1581
End page: 1591
This paper presents a simple and rigorous solution procedure of residue harmonic balance for predicting the accurate approximation of certain autonomous ordinary differential systems. In this solution procedure, no small parameter is assumed. The harmonic residue of balance equation is separated in two parts at each step. The first part has the same number of Fourier terms as the present order of approximation and the remaining part is used in the subsequent improvement. The corrections are governed by linear ordinary differential equation so that they can be solved easily by means of harmonic balance method again. Three kinds of different differential equations involving general, fractional and delay ordinary differential systems are given as numerical examples respectively. Highly accurate limited cycle frequency and amplitude are captured. The results match well with the exact solutions or numerical solutions for a wide range of control parameters. Comparison with those available shows that the residue harmonic balance solution procedure is very effective for these autonomous differential systems. Moreover, the present method works not only in predicting the amplitude but also the frequency of bifurcated period solution for delay ordinary differential equation.
DOI: 10.1007/s11433-013-5317-9
CIHE Affiliated Publication: No
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