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Application of the Levenberg-Marquardt algorithm in computer simulation of cast defects

  • General Aspects of Nondestructive Inspection
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Abstract

In this study, a combined computational and experimental method was developed in order to restore the thermal properties of materials. The method is based on the Levenberg-Marquardt algorithm for multi-dimensional optimization. It allows adjustment to maintain databases on materials for the simulation of casting technologies and the prediction of cast defects. The experiments were utilized under real conditions at the factory to test and verify the developed method.

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Authors and Affiliations

  1. Ural Federal University, Mira 19, Ekaterinburg, 620002, Russia

    O. M. Ogorodnikova

  2. Uralvagonzavod, N. Tagil, Vostochnaya 28, Sverdlovsk Region, 622051, Russia

    S. V. Martynenko

Authors
  1. O. M. Ogorodnikova
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  2. S. V. Martynenko
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Correspondence to O. M. Ogorodnikova.

Additional information

Original Russian Text © O.M. Ogorodnikova, S.V. Martynenko, 2015, published in Defektoskopiya, 2015, Vol. 51, No. 5, pp. 65–70.

The article was translated by the authors.

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Ogorodnikova, O.M., Martynenko, S.V. Application of the Levenberg-Marquardt algorithm in computer simulation of cast defects. Russ J Nondestruct Test 51, 315–319 (2015). https://doi.org/10.1134/S1061830915050058

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  • DOI: https://doi.org/10.1134/S1061830915050058

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