Skip to main content
Log in

Exact periodic and localized solutions of the equationh t =Δ inh

  • Published:
Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

New exact regular solutions of the nonlinear-diffusion equation are found. Various types of evolution of certain classes of localized initial perturbations are described. We show that, when a localized distribution in the form of a ring is specified, the instantaneous occurrence of the singularity in its center results from the diffusive spreading.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. M. N. Aristov and V. P. Myasnikov, “Nonstationary three-dimensional structures at the surface layer of the ocean,”Dokl. Ross. Akad. Nauk,349, No. 4, 475–477 (1996).

    MATH  Google Scholar 

  2. O. V. Voinov, “The dynamic theory of wetting a rigid body by viscous fluid under the action of Van der Waals forces,”Prikl. Mekh. Tekh. Fiz.,35, No. 6, 69–85 (1994).

    MATH  MathSciNet  Google Scholar 

  3. V. V. Pukhnachev, “Multidimensional exact solutions of the nonlinear diffusion equation,”Prikl. Mekh. Tekh. Fiz.,36, No. 2, 23–31 (1995).

    MATH  MathSciNet  Google Scholar 

  4. J. R. King, “Exact multidimensional solutions to some nonlinear diffusion equation,”Quart. J. Mech. Appl. Math.,46, Part 3, 419–436 (1993).

    MATH  MathSciNet  Google Scholar 

  5. V. A. Galaktionov, V. A. Dorodnitsyn, G. G. Elenin, et al., “Quasilinear heat-conduction equation with a source: peaking, localization, symmetry, exact solutions, asymptotes, and structures,”Sovr. Probl. Mat., Nov. Dost.,28, 95–206 (1987).

    Google Scholar 

  6. J. Liouville, “Sur l'equation aux differences partielles (log λ) U,V ±λ/2a 2=0,”J. Math. Pure Appl., No. 18, 71–72 (1953).

    Google Scholar 

  7. N. N. Komarov, “Topology of stationary plasma configurations in transverse self-matching fields. Part 1. Spatially periodic plasma structures,”Yader. Sintez, No. 3, 174–182 (1963).

    Google Scholar 

  8. S. N. Aristov, “Exact solution of the problem of a point source,”Dokl. Ross. Akad. Nauk,343, No. 1, 50–52 (1995).

    MATH  Google Scholar 

Download references

Authors

Additional information

Institute of Mechanics of Continua, Ural Division, Russian Academy of Sciences, Perm' 614013. Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 40, No. 1, pp. 22–26, January–February, 1999.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Aristov, S.N. Exact periodic and localized solutions of the equationh t =Δ inh . J Appl Mech Tech Phys 40, 16–19 (1999). https://doi.org/10.1007/BF02467967

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02467967

Keywords

Navigation