1KWAK T S,KIM Y J,BAE W B. Finite element analysis on the effect of die clearance on shear planes in fine blanking [ J ]. Journal Materials Processing Technology,2002(6) :130 -131.
2LU Mei Yu,LI Jin Quan, DUAN Bing Lei,et al. Dynamics a- nalysis on a type patletizing robot [ J ]. Applied Mechanics and Materials ,2012 ( 157 ) :982 - 986.
3TOKHI M O, MOHAMED Z. Modeling of a flexible robot ma- nipulator using finite element methods:a symbolic approach [J]. Journal of Low Frequency Noise Vibration and Active control,1999,18(2) :63 -76.
4TOKLU Y C. Nonlinear analysis of trusses through energy minimization [ J ]. Computer and Structures, 2004 ( 82 ) : 1581-1589.
