Abstract
Since the decisions in the early design stage make large impact on all life cycle of product, iterative design refinement and simulation-based verification in the early stage are important for efficient product development. A number of analysis methods have been proposed as analysis tools for the early stage. However, since most of them are based on analysis methods for a continuous object, it is not easy to apply them to the analysis of the object composed of continuous and discontinuous elements. In this report, in order to enable simultaneous operation of shape modeling and deformation behavior analysis in the early design stage, a method for simulation-based design support using distinct element method (DEM) which is suitable for the analysis of the deformation behavior from the continuous object to discontinuous object is proposed.