Abstract
It is important to create methods of managing disaster prevention awareness (DPA) through development of software architecture. Thus, it is preferable to know in advance how DPA degrades with time.
In this paper, we present a method of measuring the activity of DPA as the performance criterion of the community. Then we propose a model of the degradation process of DPA. We also show that it is possible to describe the dynamic interaction process as a percolation process by combining the Cluster Algorithm with the Simulated Annealing Method.