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

Torsten Adolph () and Willi Schönauer ()
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Torsten Adolph: Forschungszentrum Karlsruhe, Institut für Wissenschaftliches Rechnen
Willi Schönauer: Forschungszentrum Karlsruhe, Institut für Wissenschaftliches Rechnen

A chapter in High Performance Computing in Science and Engineering ’06, 2007, pp 527-541 from Springer

Abstract: 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.

Keywords: Error Estimate; Reaction Layer; Entry Pressure; Inverted List; Structure Interaction Problem (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-36183-1_38

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DOI: 10.1007/978-3-540-36183-1_38

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