Author(s)

E. Kita, H. Saito, T. Kobayashi and Y.M. Xie

Abstract

This paper describes the three-dimensional structural design based on the concept of cellular automata. The object domain under consideration is divided into small cube elements to perform stress analysis by the finite element method. The density of each element is taken as the design variable. The density is updated with the local rule which is defined as the local relationship of the variable and the stress distribution. The present scheme is applied to the design of a three-dimensional structure. 1 Introduction In the cellular automata simulation, the design domain is divided into small square cells at which the state variables are specified. The state variable is updated at each time step a

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