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Simplified mathematical modeling for an electromagnetic forming system with flat spiral coil as actuator

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Simplified mathematical modeling for an electromagnetic forming system with flat spiral coil as actuator

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Título Simplified mathematical modeling for an electromagnetic forming system with flat spiral coil as actuator
Autor Paese, Evandro
Geier, Martin
Homrich, Roberto Petry
Pacheco, Joyson Luiz
Abstract This study presents mathematical modeling and calculation procedure for problems of electromagnetic forming of thin circular metal sheets using a flat spiral coil as actuator. The method based on the Biot-Savart Law focuses specifically on the calculation of the electromagnetic field generated by the flat coil and analysis of the circuit that models the electromagnetic forming system to the initial time, before the plastic deformation of the sheet. The solution of magnetic induction integral equations is performed by numerical methods specifically with the use of Matlab® software, providing important information that serves as feedback for system design. Free bulging experiments were performed to demonstrate a good relationship with the mathematical model predictions for electrical discharge current in the coil and induced currents in the metal sheet, behavior of the transient electromagnetic force between coil and workpiece, and distribution of magnetic field, electromagnetic density force along the coil.
Contido em Journal of the Brazilian Society of Mechanical Sciences and Engineering. Rio de Janeiro, RJ. vol. 33, no. 2 (July/Sept. 2011), p. 324-331
Assunto Estampagem
Modelos matemáticos
[en] Electromagnetic forming
[en] High speed forming
[en] Mathematical model
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/75816
Arquivos Descrição Formato
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