直交異方性積層板上に作用する点衝撃荷重の荷重履歴簡便同定方法

抄録

The inverse technique has been developed for the problem of force histories identification of point impact forces on orthotropic laminated plates. In a previous paper, the authors presented a simple method for identification of multiple impact forces acting on simply supported orthotropic laminated plates. The method utilized measured values of acceleration to predict point impact forces which resulted in the laminated plate response. This paper describes an attempt to extend the method to clamped orthotropic laminated plates and identify force histgries of point impact forces. In addition, this paper explores an iterative method to identify accurately force histories using a reduced number of measurement points. Several numerical examples are performed to ascertain effectiveness of the method to clamped laminated plates, the effect of the number of measurement points on the identification results for boundary conditions and validity of the iterative method.