机械结构动力优化振型反问题求解的逆摄动方法

Inverse perturbation method for solving inverse vibration mode problems in structural kinetics optimization

通过对振型反问题的研究 ,提出了振型反问题求解的逆摄动方法 ,并给出了相应的逆摄动参数ε取值方法。同传统的求解方法如罚函数法和变尺度法等相比。该方法还可避免或减少重分析 ,提高计算效率 ,算例表明 。

This paper defines inverse vibration mode problems,proposes inverse perturbation method to solve them and shows how to determine the parameter ε.Compared to traditional methods such as penalty function and variable-metric methods,inverse perturbation method can reduce or even avoid reanalysis time and increase computing efficiency.An example is given to show that this method is effective and feasible.