Abstract
This paper presents the effective methodology of making most suitable configuration of block structures in a realistic time scale. In this method, the conventional scheme of the topology optimization is used as the optimization calculation. However, on each iterative process, the design parameters, which have the continuous values, are discretized on the basis of thresholds, which are set as the intermediate value between specific points. Therefore, the objective function and weight ratio change in a random manner. Thus all the solutions before convergence become the candidate of optimal solution. And they should be plotted on the weight-ratio compliance plane. As the result, the optimal solutions are obtained as the border line of plotted area. As the numerical example, the block configuration analysis of a XY-stage plate composed of four types of blocks is conducted.
