2008-08-08
Variational Approach Method for Nonlinear Oscillations of the Motion of a Rigid Rod Rocking Back and Cubic
By
Progress In Electromagnetics Research M, Vol. 4, 23-32, 2008
Abstract
This paper deals with Approximate Analytical Solutions to nonlinear oscillations of a conservative, non-natural, single-degreeof- freedom system with odd nonlinearity. By extending the Variational approach proposed by He, we established approximate analytical formulas for the period and periodic solution.To illustrate the applicability and accuracy of the method, two examples are presented: (i) the motion of a rigid rod rocking back and forth on the circular surface without slipping, and (ii) Cubic-Quintic Duffing Oscillators. Comparison of the result which is obtained by this method with the obtained result by the Exact solution reveals that the He's Variational approach is very effective and convenient and can be easily extended to other nonlinear systems and can therefore be found widely applicable in engineering and other sciences.
Citation
Seyedreza Ganji, Davoodi Ganji, Hamed Babazadeh, and Salim Karimpour, "Variational Approach Method for Nonlinear Oscillations of the Motion of a Rigid Rod Rocking Back and Cubic," Progress In Electromagnetics Research M, Vol. 4, 23-32, 2008.
doi:10.2528/PIERM08061007
References

1. He, J. H., Non-perturbative methods for strongly nonlinear problems, Dissertation, De-Verlag im Internet GmbH, Berlin,2006.

2. Nayfeh, A. H., Problems in Perturbations, Wiley, 1985.

3. He, J. H., "Modified Lindstedt-Poincare methods for some strongly nonlinear oscillations. Part III: Double series expansion," International Journal Non-linear Science and Numerical Simulation, Vol. 2, 317, 2001.        Google Scholar

4. He, J. H., "Anew perturbation technique which is also valid for large parameters ," J. Sound Vib., Vol. 229, 1257, 2000.
doi:10.1006/jsvi.1999.2509        Google Scholar

5. He, J. H., "Application of homotopy perturbation method to nonlinear wave equations," Chaos, Solitons and Fractals, Vol. 26, 695, 2005.
doi:10.1016/j.chaos.2005.03.006        Google Scholar

6. He, J. H., "Modified Lindstedt-Poincare methods for some strongly nonlinear oscillations, Part I: Expansion of a constant ," Int. J. Nonlinear Mech., Vol. 37, 309, 2002.
doi:10.1016/S0020-7462(00)00116-5        Google Scholar

7. He, J. H., "Modified Lindstedt-Poincare methods for some strongly nonlinear oscillations. Part II: Anew transformation," Int. J. Nonlinear Mech., Vol. 37, 315, 2002.
doi:10.1016/S0020-7462(00)00117-7        Google Scholar

8. He, J. H., "Homotopy perturbation method for solving boundary value problems ," Phys Lett A, Vol. 350, No. 87, 2006.        Google Scholar

9. He, J. H., "Some asymptotic methods for strongly nonlinear equations," Int. J. Mod. Phys. B, Vol. 20, 1141-1199, 2006.
doi:10.1142/S0217979206033796        Google Scholar

10. He, J. H., "New interpretation of homotopy perturbation method," Int. J. Mod. Phys. B, Vol. 20, 2561, 2006.
doi:10.1142/S0217979206034819        Google Scholar

11. He, J. H., "The homotopy perturbation method for nonlinear oscillators with discontinuities ," Appl. Math. Comput., Vol. 151, 287, 2004.
doi:10.1016/S0096-3003(03)00341-2        Google Scholar

12. Ganji, D. D. and A. Sadighi, "Application of He's homotopyperturbation method to nonlinear coupled systems of reaction-diffusion equations," Int. J. Nonlinear Sci. Numer. Simul., Vol. 7, No. 4, 411, 2006.        Google Scholar

13. Rafei, M. and D. D. Ganji, "Explicit solutions of Helmholtz equation and fifth-order KdV equation using homotopy perturubation method," Int. J. Nonlinear Sci. Numer. Simul., Vol. 7, No. 3, 321, 2006.        Google Scholar

14. Ganji, D. D., "The application of He's homotopy perturbation method to nonlinear equations arising in heat transfer," Phys. Lett., Vol. 355, 337, 2006.        Google Scholar

15. Alizadeh, S. R. S., G. Domairry, and S. Karimpour, "An approximation of the analytical solution of the linear and nonlinear integro-differential equations by homotopy perturbation method," Acta Applicandae Mathematicae.        Google Scholar

16. Gottlieb, H. P. W., "Harmonic balance approach to limit cycles for nonlinear jerk equations," J. Sound Vib., Vol. 297, 243, 2006.
doi:10.1016/j.jsv.2006.03.047        Google Scholar

17. Lim, C. W., B. S.Wu, and W. P. Sun, "Higher accuracy analytical approximations to the Duffing-harmonic oscillator," J. Sound Vib., Vol. 296, 1039, 2006.
doi:10.1016/j.jsv.2006.02.020        Google Scholar

18. Belendez, A., A. Marquez, T. Belendez, A. Hernandez, and M. L. Alvarez, "Harmonic balance approaches to the nonlinear oscillators in which the restoring force is inversely proportional to the dependen," Journal of Sound and Vibration, Vol. 314, 775, 2008.
doi:10.1016/j.jsv.2008.01.021        Google Scholar

19. Belendez, A., A. Hernandez, T. Belendez, M. L. Alvarez, S. Gallego, M. Ortuno, and C. Neipp, "Application of the harmonic balance method to a nonlinear oscillator typified by a mass attached to a stretched wire," J. Sound Vib., Vol. 302, 1018, 2007.
doi:10.1016/j.jsv.2006.12.011        Google Scholar

20. Hu, H. and J. H. Tang, "Solution of a Duffing-harmonic oscillator by the method of harmonic balance," J. Sound Vib., Vol. 294, 637, 2006.
doi:10.1016/j.jsv.2005.12.025        Google Scholar

21. Hu, H., "Solution of a quadratic nonlinear oscillator by the method of harmonic balance ," J. Sound Vib., Vol. 293, 462, 2006.
doi:10.1016/j.jsv.2005.10.002        Google Scholar

22. Itovich, G. R. and J. L. Moiola, "On period doubling bifurcations of cycles and the harmonic balance method," Chaos Solitons Fractals, Vol. 27, 647, 2005.
doi:10.1016/j.chaos.2005.04.061        Google Scholar

23. Penga, Z. K., Z. Q. Langa, S. A. Billingsa, and G. R. Tomlinson, "Comparisons between harmonic balance and nonlinear output frequency response function in nonlinear system analysis," J. Sound Vib., Vol. 311, 56, 2008.
doi:10.1016/j.jsv.2007.08.035        Google Scholar

24. He, J. H., "Determination of limit cycles for strongly nonlinear oscillators ," Phys Rev Lett., Vol. 90, 174, 2006.        Google Scholar

25. He, J. H., "Preliminary report on the energy balance for nonlinear oscillations ," Mechanics Research Communications, Vol. 29, 107-2002.
doi:10.1016/S0093-6413(02)00237-9        Google Scholar

26. He, J. H., "Determination of limit cycles for strongly nonnonlinear," Phys. Rev. Lett., Vol. 90, No. 17, 2003.
doi:10.1103/PhysRevLett.90.174301        Google Scholar

27. Ozis, T. and A. Yildirim, "Determination of the frequency-amplitude relation for a Duffing-harmonic oscillator by the energy balance method," Comput Math Appl., Vol. 54, 1184, 2007.
doi:10.1016/j.camwa.2006.12.064        Google Scholar

28. D'Acunto, M., "Determination of limit cycles for a modified van der pol oscillator," Mechanics Research Communications, Vol. 33, 93, 2006.
doi:10.1016/j.mechrescom.2005.06.012        Google Scholar

29. He, J. H., "Variational iteration method --- Akind of nonlinear analytical technique: Some examples," Int. J. Nonlinear Mech., Vol. 34, 699, 1999.
doi:10.1016/S0020-7462(98)00048-1        Google Scholar

30. He, J. H. and X. H. Wu, "Construction of solitary solution and compaction-like solution by variational iteration method," Chaos, Solitons & Fractals,, Vol. 29, 108, 2006.
doi:10.1016/j.chaos.2005.10.100        Google Scholar

31. Rafei, M., D. D. Ganji, H. Daniali, and H. Pashaei, "The variational iteration method for nonlinear oscillators with discontinuities," J. Sound Vib., Vol. 305, 614, 2007.
doi:10.1016/j.jsv.2007.04.020        Google Scholar

32. Zhang, L. N. and J. H. He, "Resonance in Sirospun yarn spinning using a variational iteration method," Computers and Mathematics with Applications, Vol. 54, 1064, 2007.
doi:10.1016/j.camwa.2006.12.050        Google Scholar

33. Varedi, S. M., M. J. Hosseini, M. Rahimi, and D. D. Ganji, "He's variational iteration method for solving a semi-linear inverse parabolic equation," Physics Letters A, Vol. 370, 275, 2007.
doi:10.1016/j.physleta.2007.05.100        Google Scholar

34. Hashemi, K. S. H. A., N. Tolou, A. Barari, and A. J. Choobbasti, "On the approximate explicit solution of linear and non-linear non-homogeneous dissipative wave equations," Istanbul Conferences, Torque, accepted, 2008.

35. He, J. H., "Variational approach for nonlinear oscillators," Chaos, Solitons and Fractals, Vol. 34, 1430, 2007.
doi:10.1016/j.chaos.2006.10.026        Google Scholar

36. Wu, Y., "Variational approach to higherorder waterwave equations," Chaos, Solitons and Fractals, Vol. 32, 195, 2007.
doi:10.1016/j.chaos.2006.05.019        Google Scholar

37. Xu, L., "Variational approach to solitons of nonlinear dispersive equations ," Chaos, Solitons & Fractals, Vol. 37, 137, 2008.
doi:10.1016/j.chaos.2006.08.016        Google Scholar

38. He, J. H., "Variational principles for some nonlinear partial differential equations with variable coefficient," Chaos, Solitons & Fractals, Vol. 19, No. 4, 847, 2004.
doi:10.1016/S0960-0779(03)00265-0        Google Scholar

39. Nayfeh, A. H. and D. T. Mook, Nonlinear Oscillations, Wiley.

40. Wu, B. S., C. W. Lim, and L. H. He, "A new method for approximate analytical solutions to nonlinear oscillations of nonnatural systems," Nonlinear Dynamics, Vol. 32, 1, 2003.
doi:10.1023/A:1024223118496        Google Scholar

41. Hamdan, M. N. and N. H. Shabaneh, "On the large amplitude free vibration of a restrained uniform beam carrying an intermediate a restrained uniform beam carrying an intermediate," J. Sound Vib., Vol. 199, 711, 1997.
doi:10.1006/jsvi.1996.0672        Google Scholar

42. Lai, S. K., C. W. Lim, B. S. Wu, C. Wang, Q. C. Zeng, and X. F. He, "Newtonharmonic balancing approach for accurate solutions to nonlinear cubicquintic Duffing oscillators," Applied Mathematical Modelling, 2008.        Google Scholar