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Adaptive Treatment of Polyreactions in Weighted Sequence Spaces.

Please always quote using this URN: urn:nbn:de:0297-zib-673
  • Countable systems of ordinary differential equations appear frequently in chemistry, physics, biology and statistics. They can be considered as ordinary differential equations in sequence spaces. In this work, a fully adaptive algorithm for the computational treatment of such systems is developed. The method is based on a time discretization of an abstract Cauchy problem in Hilbert space and a discrete Galerkin approach for the discretization of the arising stationary subproblems. The Galerkin method uses orthogonal functions of a discrete variable, which are generated by certain weight functions. A theory of countable systems in the associated weighted sequence spaces is developed as well as a theory of the Galerkin method. The Galerkin equations are solved adaptively either by use of analytical properties of the orthogonal functions or by an appropriate numerical summation. The resulting algorithm CODEX is applied to examples of technological interest, in particular from polymer chemistry.

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Author:Michael Wulkow
Document Type:ZIB-Report
Date of first Publication:1991/12/18
Series (Serial Number):ZIB-Report (SC-91-17)
Published in:Appeared in: IMPACT Comp. Sci. Eng. 4, pp. 153-193 (1992)
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