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Adjoint problems of mechanics of continuous media in gasalaser cutting of metals.(Author abstract)

Kovalev, O. B. ; Orishich, A. M. ; Fomin, V. M. ; Shulyat' Ev, V. B.

Journal of Applied Mechanics and Technical Physics, Nov, 2001, Vol.42(6), p.1014 [Periódico revisado por pares]

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  • Título:
    Adjoint problems of mechanics of continuous media in gasalaser cutting of metals.(Author abstract)
  • Autor: Kovalev, O. B. ; Orishich, A. M. ; Fomin, V. M. ; Shulyat' Ev, V. B.
  • Assuntos: Metal Industries -- Analysis
  • É parte de: Journal of Applied Mechanics and Technical Physics, Nov, 2001, Vol.42(6), p.1014
  • Descrição: Byline: O. B. Kovalev (1), A. M. Orishich (1), V. M. Fomin (1), V. B. Shulyat'ev (1) Abstract: A mathematical model of gasalaser cutting of metal plates in an inert gas is proposed. The formation and flow of the liquid metal melt film at the cutting front is considered within the framework of incompressible boundaryalayer equations. Based on the resultant analytical solution, a local law of energy conservation on the cutting surface is derived, which takes into account the meltafilm thickness and the temperature dependence of thermophysical parameters of the metal. The problem of the cutting shape and depth is solved in the twoadimensional formulation. A comparison with experimental data is made in terms of the cutting depth and maximum cutting velocity for carbon and alloy steel. Author Affiliation: Article History: Registration Date: 08/10/2004
  • Idioma: English

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