CAJ | 학술논문

用有限元法模拟金属塑性成型过程的难点之一是接触边界条件的处理，本文着重介绍了处理金属塑性成型过程中接触问题的一般方法，包括接触边界的搜索、接触力的计算及接触热传导的计算三方面内容。运用ANSYS提供的接触单元，模拟了Y型三辊轧制过程及钢轨矫直过程的接触状态，结果与实际相符。
용유한원법모의금속소성성형과정적난점지일시접촉변계조건적처리，본문착중개소료처리금속소성성형과정중접촉문제적일반방법，포괄접촉변계적수색、접촉력적계산급접촉열전도적계산삼방면내용。운용ANSYS제공적접촉단원，모의료Y형삼곤알제과정급강궤교직과정적접촉상태，결과여실제상부。
One of the most difficult problems is how to deal with the contact boundary condition when simulating metal forming processes. This paper emphasizes on general method of contact problems of metal forming processes, including contact kinematics, contact force and thermal/structural contact. Using contact elements supplied by ANSYS software, contact condition of 3-roll rolling and rail straightening is simulated separately. Compared with practice, the results show good agreements