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METHOD AND APPARATUS FOR MODELING AND DESIGNING MULTI-DIMENSIONAL CELLULAR STRUCTURES FOR ADDITIVE MANUFACTURING
METHOD AND APPARATUS FOR MODELING AND DESIGNING MULTI-DIMENSIONAL CELLULAR STRUCTURES FOR ADDITIVE MANUFACTURING
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机译:用于制造的多维细胞结构建模和设计的方法和装置
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摘要
Modeling, constructing, and designing conformal cellular structures with spatially variable and graded microstructures that have full geometric continuity is disclosed, which includes defining a global structural domain, where the microstructures are generated for a global mesh, defining a unit structure as a base cell using a level set function, which allows for beams, trusses, shells, and solids, transforming and mapping the base cell into each element of the global mesh using an isoparametric transformation, which creates a conformal cellular structure in accordance with a set of requirements on distribution of material and/or mechanical properties, and applying a global cutting function to guarantee geometric continuity in connections on the common face of any two neighboring cells of the structure. As a result, more complex geometric shapes and features can be generated at the cell level, while maintaining the specified geometric connectivity across the cells of the structure.
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