Applied Mathematics and Mechanics

, Volume 11, Issue 11, pp 1035–1042 | Cite as

Singular perturbation of boundary value problem of systems for quasilinear ordinary differential equations

  • Lin Zong-chi
  • Lin Su-rong
Article

Abstract

In this paper, we study the singular perturbation of boundary value problem of systems for quasilinear ordinary differential equations: x′=f(t, x, y, ε), εy″=g(t, x, y, ε)y′+ h(t, x, y, ε), x(0,ε)=A(ε), y(0,ε)=B(ε>,y(1,ε)=C(ε) where x,f,y,h,A,B and C belong to Rn and g is a diagonal matrix. Under the appropriate assumptions, using the technique of diagonalization and the theory of differential inequalities we obtain the existence of solution and its componentwise uniformly valid asymptotic estimation.

Key words

Quasilinear systems Singularly perturbed boundary value problem Diagonalization and differential inequality Asymptotic expansion 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. [1]
    Chang, K.W., Singular perturbation of a general boundary value problem,SIAM J. Math. Anal.,3, 3 (1972), 520–526.Google Scholar
  2. [2]
    Lin, Zong-chi, Applications of theory of differential inequalities and technique of diagonalization in singularly perturbed problem,Collected Works of MMM II Conference, Mechanical Society of China, Shanghai, 12 (1987), 37–39.Google Scholar
  3. [3]
    Chang, K.W. and F.A., Howes,Nonlinear Singular Perturbation Phenomena: Theory and Applications, Berlin Springer, (1984). (Chinese Version, Translators: Lin Zong-chi, etc., Fujian Scientific and Technical Press (1989).Google Scholar
  4. [4]
    Howes, F.A., Differential inequalities of higher order and the asymptotic solution of nonlinear boundary value problems,SIAM J. Math. Anal.,13, 1 (1982), 61–80.Google Scholar
  5. [5]
    Smith, D.R.,Singular Perturbation Theory, An introduction with applications, Cambridge University Press Cambridge (1985).Google Scholar
  6. [6]
    Howes F.A. and R. E. O'Malley Jr., Singular perturbation of semilinear second order systems, O.D.E and P.D.E., 131–150. Lecture Notes in Math., Springer, 827.Google Scholar
  7. [7]
    Lin Zong-chi, The higher order approximation of solution of quasilinear second order systems for singular perturbation,Chin. Ann.,8B, 3 (1987), 357–363.Google Scholar

Copyright information

© Shanghai University of Technology 1990

Authors and Affiliations

  • Lin Zong-chi
    • 1
  • Lin Su-rong
    • 2
  1. 1.Fujian Normal UniversityFuzhou
  2. 2.Fujian Broadcasting TV UniversityFuzhou

Personalised recommendations