Some important applications of the EM solver include magnetic metal forming or welding, induced heating and any kind of problem involving moving conductors or work pieces. The videos below are extracted from some of the studies conducted using the EM solver.
Description: This study conducted in collaboration with M. Worswick and J. Imbert from the University of Waterloo, Ontario Canada features a metal sheet forming on a conical die (only 1/2 of the die and the work piece are represented). The main objective of this study was to predict the final shape of the metal sheet.
Description: This study conducted in collaboration with Ibai Ulacia from the University of Mondragon, Guipúzcoa, Basque country, features a numerical simulation of bending experiments with a metal plate Workpiece being forced upon the rectangular shaped Die by the Lorentz forces generated by the Coil.
Description: In collaboration with the Fraunhofer Institute for the simulation model and Poynting for the Coil+Shaper design, this simulation features the forming of a tube shaft joint (Automotive power train component)
Description: In collaboration with Dmitry Chernikov of the Samara State aerospace University, Russia, and the research laboratory "Progressive technological processes of plastic deformation", this simulation shows the EM forming of an Al tube against a conical die. The main objective of this analysis was to compare the simulation results of the displacement of the outer edge with the experimental results.
Description: Expansion an deformation of an Aluminum cylinder by a 10 turn coil with a rising current of 75 kA in 30 milliseconds. Test case realised in collaboration with Glenn Daehn, Department of Materials Science and Engineering, Ohio State University.
Description: This test case conducted in collaboration with the University of Waterloo, features the welding of two metal pieces against one another.
Description: In collaboration with Miro Duhovic from the Institut für Verbundwerkstoffe, Kaiserslautern, Germany, this test case features a pancake type spiral induction coil moving over a metal or composite plate. The main objective of this test case is to better understand the thermoforming capabilities of different materials.
Description: Inductive heating test case where a plaque moving at constant velocity is being heated by a set of coil.
Description: The TEAM 28 problem presents an electrodynamic levitation device which consists of a conducting plate over two exciting coils. The aim is to determine the dynamic characteristics of the levitating plate (after some damped oscillations, the plate attains a stationary levitation height). A coupled solution of the electromagnetic and the mechanical problem is hence necessary.
A railgun is an electrical gun that accelerates a conductive projectile along a pair of metal rails. The projectile is in contact with the two rails and a current passes through the projectile. This current interacts with the strong magnetic fields generated by the rails thus accelerating the projectile. This simulation features the EM sliding contact feature that allows two conducting parts to slide one against the other while some current is flowing through them.
This examples features a resistive heating example with a conducting wheel rolling on a conductive plaque using the EM contact feature. This allows the current to flow from electrodes on the shaft of the wheel to electrodes on the plane. This case is coupled with the implicit mechanical and thermal solvers of LS-DYNA and the temperature fringes are shown here.