On numerical error in the finite element method |
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| Authors: | J.H. Argyris Th.L. Johnsen R.A. Rosanoff J.R. Roy |
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| Affiliation: | Institut für Statik und Dynamik der Luft- und Raumfahrtkonstruktionen, University of Stuttgart, Germany |
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| Abstract: | Various sources of errors, physical and numerical, in the finite element method are analysed. A new type of iterative improvement is introduced where the residual is calculated in single precision. The iteration scheme is analysed with respect to round-off errors and found to give significant improvement over existing direct approaches. |
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