| Título: | Harmonic balance approaches to the nonlinear oscillators in which the restoring force is inversely proportional to the dependent variable |
| Autores: |
Beléndez Vázquez, Augusto Méndez Alcaraz, David Israel Beléndez Vázquez, Tarsicio Hernández Prados, Antonio Álvarez López, Mariela Lázara |
| Fecha: |
2009-01-26 2009-01-26 2007-09-09 2008-02-15 |
| Publicador: | RUA Docencia |
| Fuente: |
 |
| Tipo: | info:eu-repo/semantics/article |
| Tema: |
Nonlinear oscillator Harmonic balance method Approximate frequency Física Aplicada |
| Descripción: |
The second-order harmonic balance method is used to construct three approximate frequency-amplitude relations for a conservative nonlinear singular oscillator in which the restoring force is inversely proportional to the dependent variable. Two procedures are used to solve the nonlinear differential equation approximately. In the first the differential equation is rewritten in a form that does not contain the expression, while in the second the differential equation is solved directly. The approximate frequency obtained using the second procedure is more accurate than the frequency obtained with the first one and the discrepancy between the approximate frequency and the exact one is lower than 1.28%. This work was supported by the "Ministerio de Educación y Ciencia", Spain, under project FIS2005-05881-C02-02, and by the "Generalitat Valenciana", Spain, under project ACOMP/2007/020. |
| Idioma: | Inglés |
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