Design For Additive Manufacture (Dfam): The "Equivalent Continuum Material" For Cellular Structures Analysis
MODELING, SYSTEMS ENGINEERING, AND PROJECT MANAGEMENT FOR ASTRONOMY IX(2020)
摘要
Additive manufacturing (AM) offers many advantages, including material savings, lightening, design freedom, function integration, etc. In the case of cellular materials, regular structures (lattice and honeycomb) are particularly important due to their ability to reduce weight. However, the design process and FEM analysis of this type of structure is very high time-consuming. In order to mitigate this problem, we propose a modelling method, called "Equivalent Continuum Material", based on the treatment of a cellular material as a continuous mass. This document describes the method and presents examples of applications, to facilitate and understand its use.
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关键词
AM, additive manufacturing, DfAM, design for additive manufacturing, cellular material, lattice, finite element analysis, lightweight structures, multiscale modeling, equivalent continuum
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