Sensitivity analysis of macrosegregation simulation with respect to partition and diffusion coefficients

Sensitivity analysis is applied to estimate the influence of changes to the diffusion coefficient and the partition coefficient on the course of macrosegregation. These parameters are fundamental to the macrosegregation process. The analysis of mutual interactions between the values of these interna...

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Bibliographic Details
Published in:International journal of cast metals research (Online) 2004-02, Vol.17 (2), p.72-78
Main Authors: Majchrzak, E., Mochnacki, B., Suchy, J.S.
Format: Article
Language:English
Subjects:
BOUNDARY ELEMENT METHOD
CASTING SOLIDIFICATION
SEGREGATION PROCESS
SENSITIVITY ANALYSIS
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Summary:Sensitivity analysis is applied to estimate the influence of changes to the diffusion coefficient and the partition coefficient on the course of macrosegregation. These parameters are fundamental to the macrosegregation process. The analysis of mutual interactions between the values of these internal parameters and the course of macrosegregation in the casting domain leads to interesting outcomes both from the theoretical and practical points of view. At the stage of numerical simulations, the boundary element method has been used. In the final part of the paper, examples of computations are shown.
ISSN:1364-0461
1743-1336
DOI:10.1179/136404604225017519