| 利用数学规划的刚塑性成形有限元仿真方法研究 |
| |
| 引用本文： | 李迪,林忠钦,陈关龙,李淑惠. 利用数学规划的刚塑性成形有限元仿真方法研究[J]. 塑性工程学报, 2004, 11(5): 1-4 |
| |
| 作者姓名： | 李迪 林忠钦 陈关龙 李淑惠 |
| |
| 作者单位： | 上海交通大学,机械与动力工程学院,上海,200030 |
| |
| 摘 要： | 本文建立了金属刚塑性成形问题的数学规划有限元求解模型 ,将体积不变、边界接触条件和体积不变条件处理为数学规划的约束条件。通过构造迭代算法 ,将变形体分为刚性区域和塑性区域 ,并利用罚函数法消去刚性区约束条件 ,把非线性规划问题归结为求解一系列的二次规划问题。以铅柱镦粗作为仿真计算实例来验证算法的有效性。
|
| 关 键 词： | 刚塑性问题 数学规划 有限元仿真 |
| 文章编号： | 1007-2012(2004)05-0001-04 |
| 修稿时间： | 2003-11-16 |
Research on the finite element simulation with mathematical programming for the rigid-plastic forming problem |
| |
| LI Di LIN Zhong-qin CHEN Guan-long LI Shu-hui. Research on the finite element simulation with mathematical programming for the rigid-plastic forming problem[J]. Journal of Plasticity Engineering, 2004, 11(5): 1-4 |
| |
| Authors: | LI Di LIN Zhong-qin CHEN Guan-long LI Shu-hui |
| |
| Abstract: | The rigid-plastic analysis of metal forming simulation is formulated as a discrete nonlinear mathematical programming problem with equality and inequality constraints by means of the finite element technique An iteration algorithm, which can distinguish the rigid zones and the plastic zone, is used to solve this formulation This method has been used to carry out the rigid-plastic FEM analysis An example is given to demonstrate the effectiveness of this method |
| |
| Keywords: | rigid-plastic formation mathematical programming finite element simulation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
