Análise numérica do aquecimento por indução de barras de aço
DOI:
https://doi.org/10.34117/bjdv10n12-078Keywords:
aquecimento indutivo, processo de forjamento, métodos de elementos finitosAbstract
Neste trabalho, aborda-se a modelagem por elementos finitos de um aquecimento indutivo de barras de aço utilizadas no forjamento de hastes, tendo como principal objetivo avaliar a variação de temperatura radial da barra de aço aquecida pelo indutor e o impacto das propriedades envolvidas no aquecimento. A técnica de aquecimento por indução trata-se de um processo com alto grau de repetição e alto volume de produtividade, utilizada para aquecimento de peças dos mais diversos formatos, sendo amplamente empregada na indústria. A base para a modelagem matemática é feita por meio das quatro equações de Maxwell relacionadas às propriedades magnéticas dos materiais. O método utilizado para os elementos finitos é de resíduos ponderados (Galerkin) que leva a uma boa aproximação dos resultados. É feito um detalhamento da modelagem matemática do método aplicado no programa utilizado
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