Solidification modeling of continuous casting process View Full Text


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Article Info

DATE

2005-04

AUTHORS

V. S. Lerner, Y. S. Lerner

ABSTRACT

The aim of the present work was to utilize a new systematic mathematical-informational approach based on informational macrodynamics (IMD) to model and optimize the casting process, taking as an example horizontal continuous casting (HCC). The IMD model takes into account the interrelated thermal, diffusion, kinetic, hydrodynamic, and mechanical effects that are essential for the given casting process. The optimum technological process parameters are determined by the simultaneous solution of problems of identification and optimal control. The control functions of the synthesized optimal model are found from the extremum of the entropy functional having a particular sense of an integrated assessment of the continuous cast bar physicochemical properties. For the physical system considered, the IMD structures of the optimal model are connected with controllable equations of nonequilibrium thermodynamics. This approach was applied to the HCC of ductile iron, and the results were compared with experimental data and numerical simulation. Good agreement was confirmed between the predicted and practical data, as well as between new and traditional methods. More... »

PAGES

258-262

Identifiers

URI

http://scigraph.springernature.com/pub.10.1361/10599490523355

DOI

http://dx.doi.org/10.1361/10599490523355

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1012029224


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