Mechanical Behaviour of Three Dimensional Lattice Structures

机译：三维晶格结构的力学行为

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In this study, a theoretical analysis for predicting the mechanical properties of three dimensional lattice structures under compressive loading is proposed, and verified by comparing the analytical predictions with FEM results. This theory for estimating the initial stiffness E is based on the classical beam theory, and the one for estimating the plastic collapse strength ó_(pl) reflects the stress state for each lattice structure. In particular, effects of inner geometry (strand's diameter-to-length ratio and micro-architecture) on the mechanical behaviour are discussed.

机译：在该研究中，提出了预测压缩负载下三维晶格结构的力学性能的理论分析，并通过将分析预测与FEM结果进行比较来验证。该估计初始刚度E的理论是基于经典光束理论，并且用于估计塑料坍塌强度ó（PL）的一个是针对每个晶格结构的应力状态。特别地，讨论了内部几何形状（STRAND的直径到长度和微架构）对机械行为的影响。

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来源
《International Conference on Fracture and Strength of Solids》|2011年||共6页
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作者
Kuniharu Ushijima; Dai-Heng Chen; Wesley J. Cantwell;
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原文格式 PDF
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中图分类 TB3-532;
关键词
Lattice; Plasticity; Finite element method; Structural analysis;

机译：格子;可塑性;有限元法;结构分析;

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Mechanical Behaviour of Three Dimensional Lattice Structures

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