Application in metal rheological forming of element-free Galerkin method
The element-free method is a new numerical technique presented in recent years. It uses the moving least square(MLS) approximation as its shape function, and it is determined by the basic function and weight function. The weight function is the mainly determining factor, so it greatly affects the accuracy of the computational results. The element-free Galerkin method(EFGM) was applied for the solution to plastic large deformation. The simulation of metal rheological forming was successfully done by programming and its results were visualized by using the plotting and data analyses software Teeplot. Then plastic strain under different stages during rheological forming and the three principal stresses at the last deformation were obtained. The example shows the feasibility of EFGM used for metal rheoiogical forming and provides a new method for numerical simulation of rheological forming of complex parts.
element-free Galerkin method weight function rheological forming numerical simulation
LUO Ying-she(罗迎社) YIN Shui-ping(殷水平) YU Min(余敏)
Institute of Rheological Mechanics and Material Engineering,Central South University of Forestry and Technology, Changsha 410004, China
国际会议
长沙
英文
187-191
2008-09-28（万方平台首次上网日期，不代表论文的发表时间）