作 者: ;
机构地区: 浙江大学航空航天学院力学系
出 处: 《计算机应用与软件》 1998年第3期46-51,共6页
摘 要: 本文仔细探讨了平面网格产生畸形单元的原因,并针对性地提出了“结构优化”的概念,将其与传统的“位置优化”区别开来。本文介绍的方法通过结构优化与位置优化相结合对初始有限元网格进行调整,使最终的网格最大限度地满足有限元分析的需要,从而提出了一种能够较为彻底地提高网格质量的新的网格优化方法。 By studing the cause to generate abnormal elements, this paper proposes a new concept 'structure optimization'which is different from the traditional 'situation optimization' .Through the combination of structure optimization and situation optimization the quality of mesh can be improved throughly, thus the final mesh is more suitable for the finite element analysis. The new method is described in detial in this paper.