Wan-gi Cha

Study on twisting and bowing of roll formed products made of high strength steel

Naksoo Kim, Wan-gi Cha, Naksoo Kim, 2013, International Journal of Precision Engineering and Manufacturing.

A Study on the Development of Dedicated FEA Tool for Roll Forming of Arbitrary Cross Sections

Naksoo Kim, Wan-gi Cha, Honglae Kim, 2011 .