Modified Homotopy Perturbation Method for Damped Nonlinear Oscillators

被引：2
|
作者：
Zephania, Cheeran Francis Sagar [1 ]
Sil, Tapas [1 ]
机构：
[1] Indian Inst Informat Technol Design & Mfg, Dept Phys, Chennai 600127, Tamil Nadu, India
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2022年 / 91卷 / 10期
关键词：
FIELD-THEORY;
D O I：
10.7566/JPSJ.91.104003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The homotopy perturbation method (HPM) is modified to solve the governing equation for systems with the damping effect. The proposed method (LH) is applied to damped duffing oscillators (DDO) and damped non-linear Klein-Gordon (DKG) equation. The results obtained from LH are compared with those obtained from HPM with exponential decay terms [Facta Universitatis, Series: Mechanical Engineering19, 735 (2021)] and numerical calculation (RK4). LH yields highly accurate solutions to DDO and DKG in comparison to HPM.
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页数：7
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