交替方向法在保结构的有限元模型修正问题中的应用

Application of the Alternating Direction Method for the Structure-Preserving Finite Element Model Updating Problem

中文关键词:  有限元模型修正  交替 方向法  凸规划  阻尼系统.

英文关键词:finite element model updating  alternating direction method  convex programming  damped system

中文摘要:

      本文应用交替方向法处理二次特征值反问题,并要求同时保持对称性,半正定性和稀疏性等结构性质.实验表明我们提出的方法是可行的.

英文摘要:

      This paper shows that the alternating direction method can be used to solve the structured inverse quadratic eigenvalue problem with symmetry, positive semi-definiteness and sparsity requirements. The results of numerical examples show that the proposed method works well.