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The Application of a Black-Box Solver with Error Estimate to Different Systems of PDEs

In: High Performance Computing in Science and Engineering ’06

Author

Listed:
  • Torsten Adolph

    (Forschungszentrum Karlsruhe, Institut für Wissenschaftliches Rechnen)

  • Willi Schönauer

    (Forschungszentrum Karlsruhe, Institut für Wissenschaftliches Rechnen)

Abstract

At first a brief overview of the Finite Difference Element Method (FDEM) is given, above all how an explicit estimate of the error is obtained. Then for some academic examples the estimated and exact error are compared showing the quality of the estimate. The PDEs for fuel cells of PEMFC and SOFC type with extremely nonlinear coefficients are solved and the error estimate shows the quality of the solution. Finally for a complicated fluid/structure interaction problem of a high pressure Diesel injection pump, where the domain of solution has 3 subdomains with different PDEs and where a nested iteration procedure is needed, the PDEs are solved and the global error estimate shows the quality of the solution. For all these examples it would be very difficult to obtain a quality control of the solution by conventional grid refinement tests.

Suggested Citation

  • Torsten Adolph & Willi Schönauer, 2007. "The Application of a Black-Box Solver with Error Estimate to Different Systems of PDEs," Springer Books, in: Wolfgang E. Nagel & Willi Jäger & Michael Resch (ed.), High Performance Computing in Science and Engineering ’06, pages 527-541, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-36183-1_38
    DOI: 10.1007/978-3-540-36183-1_38
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