SOLVING AN INVERSE PROBLEM OF INTERVALS OF ELASTIC CONSTITUTIVE PARAMETERS VIA ANT COLONY ALGORITHM

This paper presents a numerical model solving the inverse problem of intervals of elastic constitutive parameters, and a perturbation finite element technique with interval parameters and a Gridding Partition based colony algorithm are employed in the solution process. The impacts of nonhomogenity, radius of uncertain intervals, initial guess and data noise on the solution are taken into account, and satisfactory results are achieved in the numerical verification.