Abstract
In the process of optimal design for nonlinear problem, the sensitivity analysis techniques can be used easily by Response Surface Model (RSM). But RSM can't be applied to the problems that have folded response, whose differential coefficient is not continuity, or those that have plural peaks. In this paper, we present a technique to approximate the folded response by RSM using Moving Least Squares method. And we also present an effective method for searching the optimum solutions.
