1996

# Asymptotic behaviour of solutions of a nonlinear transport equation

## Publication

### Publication

We investigate the asymptotic behaviour of solutions of the convection- diffusion equation $$ b(u)_t + divleft( u q - n u right) = 0 qquad hbox{for r = |x| > e quadhbox{andquad t>0, $$ where $q=l/r, er $, $l>0$. The asymptotic limits that we consider are $ttoinfty$ and $e downto0$. We prove that self-similar solutions of this equation exist, and that are attractors in a class of solutions of the initial-boundary value problem with a flux boundary condition at $r=e$. We give estimates of the rate of convergence in an integral sense and in the $L^infty$-norm.

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CWI | |

Department of Analysis, Algebra and Geometry [AM] | |

van Duijn, C.J, & Peletier, M.A. (1996).
Asymptotic behaviour of solutions of a nonlinear transport equation. Department of Analysis, Algebra and Geometry [AM]. CWI. |