A quadratic inverse eigenvalue problem in damped structural model updating

作者：Mao, Xiaobin; Dai, Hua^*

来源：Applied Mathematical Modelling, 2016, 40(13-14): 6412-6423.

DOI：10.1016/j.apm.2016.01.055

• Inverse eigenvalue problem
• Incomplete eigenvector
• Damped structural system
• Model updating

A quadratic inverse eigenvalue problem arising from damped structural model updating is presented in this paper. The existence of solution to the problem is analyzed. A new model updating method for damped structural systems is proposed. The new approach can update directly the damped model using the spatially incomplete modes without using model reduction or eigenvector expansion techniques. Numerical examples show that the proposed method is efficient.

• 出版日期2016-7
• 单位中国电子科技集团公司第二十八研究所; 南京航空航天大学