Abstract4.1 Feature description of material4.2 Functional model of heterogeneous object4.3 Voxel method4.4 Mapping of geometric structure and materials4.5 Multimaterial property representation method of parts4.6 Dynamic material change design4.7 Voxel-based hybrid microtetrahedron4.8 Dynamic model example4.9 SummaryReferencesFurther reading