2D random orientation fiber model creation device, 2D random orientation fiber model creation method, and 2D random orientation fiber model creation program

摘要

A 2D randomly oriented fiber model is created without increasing the number of beam elements. Randomly arranged pseudo-isotropy in which a plurality of basic fiber models composed of a plurality of nodes and a plurality of beam elements are randomly arranged while satisfying the pseudo-isotropy in a fiber region frame formed by arranging congruent frames without gaps. The fiber unit model creation unit, the node and the beam element in each congruent frame, and the positional relationship between the node and the beam element in each congruent frame are maintained. And a superimposing unit that creates a 2D random orientation fiber model region by superimposing all the other congruent frames on the central region frame, which is one of the congruent frames, without rotating. . [Selection] Figure 2