METHOD AND SYSTEM FOR FORMING AGGLOMERATION BODY MODEL FROM PARTICLES, AND PROGRAM

To provide a method for forming, in an arbitrary shape, an agglomeration body model from a plurality of particles.SOLUTION: A method comprises: a step ST2 of, based on shape data D1 indicating a three-dimensional shape of an agglomeration body model, dividing the three-dimensional shape into a plurality of polygonal elements 2 and generating polygonal element data D2 in which each polygonal element 2 is represented by a connectivity 21 connecting nodes 20 and nodes 20; a step ST3 of, based on node coordinates of the polygonal element data D2, acquiring particle coordinates; a step ST4 of, based on the connectivity 21 of the polygonal element data D2, acquiring connection data indicating particles 30 having a connection relation and a binding distance; and a step ST5 of forming an agglomeration body model 3 formed from a plurality of particles 30, such that the particles 30 are arranged at particle coordinates, a predetermined connection mutual action is set between particles 30 having a connection relation, based on a connection data acquisition unit 13, and a connection distance is set as a balanced particle distance rfor the predetermined connection mutual action.SELECTED DRAWING: Figure 2 【課題】複数の粒子から成る凝集体モデルを任意形状にて生成する方法を提供する。【解決手段】方法は、凝集体モデルの三次元立体形状を表す形状データＤ１に基づき、三次元立体形状を複数の多面体要素２に分割し、多面体要素２を複数の節点２０と節点２０同士を結ぶ結合性２１とで表した多面体要素データＤ２を生成するステップＳＴ２と、多面体要素データＤ２の節点座標に基づき粒子座標を取得するステップＳＴ３と、多面体要素データＤ２の結合性２１に基づき、結合関係にある粒子３０及び結合距離を表す結合データを取得するステップＳＴ４と、粒子座標に粒子３０が配置され、結合データ取得部１３に基づき結合関係にある粒子３０間に所定の結合相互作用が設定され、所定の結合相互作用の平衡粒子間距離ｒ０に結合距離が設定されている、複数の粒子３０から成る凝集体モデル３を生成するステップＳＴ５と、を含む。【選択図】図２