Abstract
We consider fractional relaxation and fractional oscillation equations involving Erdélyi-Kober integrals. In terms of the Riemann-Liouville integrals, the equations we analyze can be understood as equations with time-varying coefficients. Replacing the Riemann-Liouville integrals with Erdélyi-Kober-type integrals in certain fractional oscillation models, we obtain some more general integro-differential equations. The corresponding Cauchy-type problems can be solved numerically, and, in some cases analytically, in terms of the Saigo-Kilbas Mittag-Leffler functions. The numerical results are obtained by a treatment similar to that developed by K. Diethelm and N.J. Ford to solve the Bagley-Torvik equation. Novel results about the numerical approach to the fractional damped oscillator equation with time-varying coefficients are also presented.
Similar content being viewed by others
References
R.L. Zhou and P.J. Torvik, Fractional calculus a different approach to the analysis of viscoelastically damped structures. AIAA J. 21, No 5 (1983), 741–748.
L. Beghin, Fractional relaxation equations and Brownian crossing probabilities of a random boundary. Advances in Applied Probability 44 (2012), 479–505.
E. Capelas de Zhou, F. Mainardi, and J. Vaz Jr., Fractional models of anomalous relaxation based on the Kilbas and Saigo function. Meccanica 2014, No 49 (2014), New Trends in Fluid and Solid mech. Models, 2049-2060; DOI: 10.1007/s11012-014-9930-0.
K.S. Zhou, R.H. Cole, Dispersion and absorption in dielectrics. I. Alternating current characteristics. J. Chem. Phys. 9 (1941), 341–351.
M. Zhou and R. Spigler, Some analytical and numerical properties of the Mittag-Leffler functions. Fract. Calc. Appl. Anal. 18, No 1 (2015), 64–94; DOI: 10.1515/fca-2015-0006; http://www.degruyter.com/view/j/fca.2015.18.issue-1/issue-files/fca.2015.18.issue-1.xml.
D.W. Zhou, R.H. Cole, Dielectrics relaxation in glycerol, propylene glycol, and n-propanol. J. Chem. Phys. 19 (1951), 1484–1490.
K. Zhou and A.D. Freed, The Frac PECE subroutine for the numerical solution of differential equations of fractional order. In: S. Zhou, T. Plesser (Eds.), Forschung und Wissenschaftliches Rechnen 1998, Gessellschaft fur Wissenschaftliche Datenverarbeitung, Göttingen, 1999, 57–71.
K. Zhou and N.J. Ford, Numerical solution of the Bagley-Torvik equation. BIT 42, No 3 (2002), 490–507.
K. Diethelm, The Analysis of Fractional Differential Equations. Lecture Notes in Mathematics, Springer, New York, 2004.
J.-S. Zhou, Z. Wang, and S.-Z. Fu, The zeros of the solutions of the fractional oscillation equation. Fract. Calc. Appl. Anal. 17, No 1 (2014), 10–22; DOI: 10.2478/s13540-014-0152-x; http://www.degruyter.com/view/j/fca.2014.17.issue-1/issue-files/fca.2014.17.issue-1.xml.
R. Zhou, A. Zhou, F. Mainardi, and G. Pagnini, Fractional relaxation with time-varying coefficient. Fract. Calc. Appl. Anal. 17, No 2 (2014), 424–439; DOI: 10.2478/s13540-014-0178-0; http://www.degruyter.com/view/j/fca.2014.17.issue-2/issue-files/fca.2014.17.issue-2.xml.
R. Zhou, G. Zhou, M. Popolizio, Time-domain simulation for factional relaxation of Havriliak-Negami type. In: Proc. of the 2014 Internat. Conf. on Fractional Differentiation and Its Applications (ICFDA 14), Catania, Italy, June 23–25, 2014; DOI: 10.1109/ICFDA.2014.6967399.
R. Zhou, A.A. Zhou, F. Zhou, S.V. Rogosin, Mittag-Leffler functions. Related Topics and Applications. Springer Monographs in Mathematics, Berlin, 2014.
R. Zhou, F. Mainardi, Fractional calculus, integral and differential equations of fractional order. In: A. Carpinteri and F. Mainardi (Eds), Fractals and Fractional Calculus in Continuum Mechanics, Springer-Verlag, Wien, 1997, 223–276; E-print http://arxiv.org/abs/0805.3823.
A. Hanyga, Physically acceptable viscoelastic models. In: K. Zhou, Y. Wang (Eds), Trends in Applications of Mathematics to Mechanics, Shaker Verlag GmbH, Aachen, 2005, 12 pp.
S.J. Zhou, S. Negami, A complex plane representation of dielectric and mechanical relaxation processes in some polymers. Polymer 8 (1967), 161–210.
H. Hilfer, Analytical representations for relaxation functions of glasses. J Non-Cryst Solids 305 (2002), 122–126.
E. Kamke, Differentialgleichungen: Lösungsmethoden und Lösungen, 1, Gewöhnliche Differentialgleichungen. B.G. Teubner, Leipzig, 1977.
A.A. Zhou, H.M. Zhou and J.J. Trujillo, Theory and Applications of Fractional Differential Equations. North-Holland Mathematics Studies 204, Elsevier, Amsterdam, 2006.
V. Kiryakova, Generalized Fractional Calculus and Applications. Longman Scientific & Technical and J. Wiley, Harlow, New York, 1994.
V. Zhou, Y. Luchko, Riemann-Liouville and Caputo type multiple Erdélyi-Kober operators. Central European J. of Physics 11, No 10 (2013), 1314–1336; DOI: 10.2478/s11534-013-0217-1.
M. Klimek, On Solutions of Linear Fractional Differential Equations of a Variational Type. Publ. Office of Czestochowa University of Technology, Czestochowa, 2009.
M. Zhou, S.C. Zhou, C. Cattani, and M. Scalia, Characteristic roots of a class of fractional oscillators. Advances in High Energy Physics 2013 (2013), Article ID 853925, 7 p.
Y. Zhou, J. Trujillo, Caputo-type modification of the Erdélyi-Kober fractional derivative. Fract. Calc. Appl. Anal. 10, No 3 (2007), 249–267; at http://www.math.bas.bg/∼fcaa.
F. Mainardi, Fractional Calculus and Waves in Linear Viscoelasticity. Imperial College Press, London, 2010.
F. Zhou and R. Garrappa, On complete monotonicity of the Prabhakar function and non-Debye relaxation in dielectrics. J. Comput. Phys. 293 (2015), 70–80; doi:10.1016/j.jcp.2014.08.006.
A.B. Malinowska and D.F.M. Torres, Introduction to the Fractional Calculus of Variations. Imperial College Press, London and World Scientific Publishing, Singapore, 2012.
A.C. McBride, A theory of fractional integration for generalized functions. SIAM J. Math. Anal. 6, No 3 (1975), 583–599.
G. Pagnini, Erdélyi-Kober fractional diffusion. Fract. Calc. Appl. Anal. 15, No 1 (2012), 117–127; DOI: 10.2478/s13540-012-0008-1; http://www.degruyter.com/view/j/fca.2012.15.issue-1/issue-files/fca.2012.15.issue-1.xml.
I. Podlubny, Fractional Differential Equations. Academic Press, New York, 1999.
A.D. Zhou and V.F. Zaitsev, Handbook of Exact Solutions for Ordinary Differential Equations. 2nd Ed. Chapman & Hall/CRC, Boca Raton, 2003.
I.N. Sneddon, Mixed Boundary Value Problems in Potential Theory. North-Holland Publ., Amsterdam, 1966.
I.N. Sneddon, The use in mathematical physics of Erdélyi-Kober operators and some of their generalizations. In: Lect. Notes Math. 457, Springer-Verlag, New York, 1975, 37–79.
A. Tofighi, The intrinsic damping of the fractional oscillator. Physica A 329, No. 1–2 (2003), 29–34.
F.G. Tricomi, Funzioni Ipergeometriche Confluenti (In Italian). Ed. Cremonese, Roma, 1954.
Author information
Authors and Affiliations
Corresponding author
About this article
Cite this article
Concezzi, M., Garra, R. & Spigler, R. Fractional Relaxation and Fractional Oscillation Models Involving Erdélyi-Kober Integrals. FCAA 18, 1212–1231 (2015). https://doi.org/10.1515/fca-2015-0070
Received:
Revised:
Published:
Issue Date:
DOI: https://doi.org/10.1515/fca-2015-0070