Analytical and Numerical Investigation of Tube Compression with a Multi-Turn, Axisymmetric Coil
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Date
2016-04-27
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Abstract
While some Finite Element software packages exist that are capable of modelling the
electromagnetic forming process and estimating the corresponding process parameters
(e.g., magnetic pressure and workpiece velocity), there is a lack of simplified and accuracy
analytical modelling tools for this purpose. In this study, a coupled analytical model was
created to predict the magnetic pressure generated by a multi-turn, axisymmetric coil and
the corresponding tube radial displacement and velocity. In the proposed model, at each
time increment, the magnetic field geometry is updated in response to the tube deformation.
To assess the proposed analytical model, numerical simulations were conducted where the
pressure distribution from the analytical model was applied. The results show good
agreement between analytical and numerical results.
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Keywords
forming, electromagnetic tube compression, modelling