1. Description of tool geometry and formulation of deformation dependent contact problems;Nakamachi,1991
2. Computer aided simulation of sheet metal forming procedures by thin shell finite element analysis;Nakamachi,1990
3. Compatible description of tool surfaces and FEM meshes for analysing sheet forming operations;Keum;Int. Numer. Methods Eng.,1990
4. Improving standard shell elements, friction models and contact algorithms for the efficient solution of sheet metal forming problems with LS-DYNA3D;Schweizerhof,1991
5. Industrial sheet metal forming simulations issues in code development;Aita,1992