We describe a method to simulate granular materials using a structure called a 3D Voronoi Subdivision Tree. The 3D Voronoi Subdivision Tree is a method to create interactive subdivided objects for a volume in a physics environment. A tree of 3D Voronoi cells is created from a convex object and the cells are subdivided at each level to the bottom-most children. We utilize and adapt this technique for granular materials to create a robust simulation environment. As such, this method creates dynamic granular materials that subdivide as needed based on interaction with other objects.
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机译：我们描述了一种使用称为3D Voronoi细分树的结构来模拟粒状材料的方法。 3D Voronoi细分树是一种在物理环境中为体积创建交互式细分对象的方法。从凸对象创建3D Voronoi单元树，并将这些单元在每个级别细分为最底层的子级。我们利用这种技术并将其应用于粒状材料，以创建强大的仿真环境。这样，此方法将创建动态粒状材料，该材料将根据与其他对象的交互作用按需细分。
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