Theoretical model and experimental investigation of current density boundary condition for welding arc studyA. Boutaghane, K. Bouhadef, F. Valensi, S. Pellerin and Y. BenkeddaEur. Phys. J. Appl. Phys., 54 1 (2011) 10802DOI: https://doi.org/10.1051/epjap/2011100146