KUO-CHI LIAO2010-06-022018-07-102010-06-022018-07-102009http://ntur.lib.ntu.edu.tw//handle/246246/184994application/pdf765631 bytesapplication/pdfen-USApplications of Planar Anisotropic Yield Criteria to Porous Sheet Metal Forming Simulationsjournal article10.1016/j.euromechsol.2008.12.0052-s2.0-65049089538http://ntur.lib.ntu.edu.tw/bitstream/246246/184994/1/08.pdf