Skip to main content
Log in

Symmetry and exact solution of heat-mass transfer equations in thermonuclear plasma

  • Published:
Ukrainian Mathematical Journal Aims and scope

Abstract

For the nonlinear system of partial differential equations, which describes the evolution of temperature and density in TOKAMAK plasmas, multiparameter families of exact solutions are constructed. The solutions are constructed by the Lie-method reduction of initial systems of equations to a system of ordinary differential equations. Examples of non-Lie ansätze and exact solutions are also presented.

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. H. Wilhelmsson, “Oscillations and approach to equilibrium for coupled temperature and density in fusion plasmas,”Ukr. Fiz. Zh.,38, No. 1, 44–53 (1993).

    Google Scholar 

  2. H. Wilhelmsson, “Plasma temperature and density dynamics including particle and heat pinch effects,”Phys. Scripta,46, 177–181 (1992).

    Article  Google Scholar 

  3. W. I. Fushchych and R. M. Cherniha, “Galilei-invariant nonlinear equations of Schrödinger type and their exact solutions. I, II,”Ukr. Mat. Zh.,41, No. 4, 1349–1357; 1687–1694 (1989).

    Google Scholar 

  4. W. I. Fushchych and R. M. Cheniha, “Galilei-invariant systems of nonlinear equations of the Hamilton-Jacobi type and of reaction-diffusion,”Ukr. Mat. Zh., No. 3, 31–38 (1994).

    Google Scholar 

  5. W. I. Fushchych and R. M. Cherniha, “Galilei-invariant systems of nonlinear equations of evolution equations,”J. Phys. A., Math. Gen.,28, 5569–5579 (1995).

    Article  MATH  MathSciNet  Google Scholar 

  6. L. V. Ovsyannikov,Group Analysis of Differential Equations [in Russian], Nauka, Moscow, 1978.

    MATH  Google Scholar 

  7. R. M. Cherniha and I. H. Odnorozhenko, “Exact solutions of a nonlinear problem of melting and evaporation of metals,”Dokl. Akad. Nauk Ukrainy, Ser. A, No. 12, 44–47 (1990).

    Google Scholar 

  8. R. M. Cherniha and N. D. Cherniha, “Exact solutions of a class of nonlinear boundary-value problems with moving boundaries,”J. Phys. A, Math. Gen.,26, L935-L940 (1993).

    Article  MathSciNet  Google Scholar 

  9. R. M. Cherniha, “A constructive method for construction of new exact solutions of nonlinear evolution equations,”Rept. Math. Phys. (1996) (to appear).

Download references

Author information

Authors and Affiliations

Authors

Additional information

Published in Ukrainskii Matematicheskii Zhurnal, Vol. 48, No. 9, pp. 1265–1277, September, 1996.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Cherniha, R.M., Wilhelmsson, H. Symmetry and exact solution of heat-mass transfer equations in thermonuclear plasma. Ukr Math J 48, 1434–1449 (1996). https://doi.org/10.1007/BF02595363

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02595363

Keywords

Navigation