Consideration on Effects of Mesh Systems on True Stress-Strain Acquisition Method over a Large Range of Strains by Tensile Test and Finite Element Method

유한요소망이 인장시험과 유한요소법을 이용한 진응력-진변형곡선 획득 기법에 미치는 영향에 관한 고찰

We present the numerical characteristics of a new true stress-strain curve acquisition method over a large range of strains by the tensile test and a finite element method through comparing the results obtained by various finite element mesh systems. The method is introduced in detail. The effects of the finite element mesh systems on the results are investigated to show its numerical characteristics of the new method. It is shown that the method is quite robust, implying that it can be used as a special function of the tensile test machines.