The method derives from eigenvalue issue,regards Poison ratio and elastic modulus as a constant and a stochastic variable,respectively,and in terms of known data and a combination of the FEM.

• 该方法从特征值问题出发,视泊松比参数、弹性模量参数分别为常量与随机变量,并结合结构的有限单元模型以及实测数据。