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Numerical modelling of solidification process using interval finite difference method

Piasecka Belkhayat A.

Prace Naukowe Instytutu Matematyki i Informatyki Politechniki Częstochowskiej

2010

Vol. 9, nr 1

155-163

The numerical modelling of steel cast solidification process in sand mould is considered. The problem analyzed is described by the system of partial differential equations supplemented by adequate boundary and initial conditions. The latent heat appearing in the model of a casting sub-domain is treated as directed interval value. The problem formulated has been solved by means of interval finite difference method with the approach of directed interval arithmetic. In the final part of the paper, results of numerical computations are shown.

Comparison of Interval C/C++ Libraries in Global Optimization

Dąbrowski R., Kubica B.J.

Prace Naukowe Politechniki Warszawskiej. Elektronika

2009

z. 169

51-56

This article contains results of examination and comparison of some most popular interval libraries. Comparative analysis was based on investigating the efficiency of computations of simple functions and efficiency of the Interval-Branch-And-Bound global optimization method.