Das, Suchandan K (1999) *Simulation of free boundary problem in electromagnetic levitation melting of metals in cold crucibles.* Transactions of the Indian Institute of Metals, 52 (4). pp. 197-203.

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## Abstract

A phenomenological modelling approach has been developed to solve the free boundary problem of electromagnetic levitation melting in cold crucible with continuous casting. The free boundary problem has been solved to determine the equilibrium shape of the molten metal as a function of electrical operating parameters. The concept of domain derivative formalism has been applied to obtain minimization of the total energy functional of the system in a global framework for determining the free surface of the molten metal under levitated condition. An iterative solution algorithm has been formulated and the magnetic energy is determined by using a boundary integral technique. Distribution of magnetic field has been evaluated on the basis of Biot-Savart's law. The domain derivative approach is found to be a useful mathematical apparatus to achieve faster convergence of the solution of the governing free boundary problem.

Item Type: | Article |
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Official URL/DOI: | http://www.nmlindia.org |

Uncontrolled Keywords: | electromagnetic levitation melting; cold crucibles |

Divisions: | Mathematical Modelling and Simulation |

ID Code: | 1145 |

Deposited By: | Sahu A K |

Deposited On: | 21 Jun 2010 10:42 |

Last Modified: | 14 Dec 2011 14:52 |

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