List of Articles Upper bound method Open Access Article Abstract Page Full-Text 1 - Upper Bound Analysis of Tube Extrusion Process Through Rotating Conical Dies with Large Mandrel Radius H Haghighat M.M Mahdavi Open Access Article Abstract Page Full-Text 2 - Analysis of Axisymmetric Extrusion Process through Dies of any Shape with General Shear Boundaries H Haghighat G.R Asgari Open Access Article Abstract Page Full-Text 3 - An Upper Bound Analysis of Sandwich Sheet Rolling Process H Haghighat P Saadati