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Modeling of Tunable Elastic Ultralight Aircraft

机译:可调谐弹性超轻飞机的建模

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Aircraft weight is one of the most critical factors in the design and operation of modern vehicles. The ability to integrate ultra-light materials into the primary load bearing structures has the potential to reduce aircraft weight significantly. Ultralight materials tend to be lattice-based meta-materials that are difficult and computationally expensive to model. One of the advantages of meta-materials is to be able to tune or "program" their bulk material properties through the placement of heterogeneous components in the material. A large amount of time devoted to the simulation in the development time for the tuning of the material can be a barrier to the adoption of large scale lattice materials. In this paper, we present a workflow and analysis tool-set to provide first-order estimates for rapid development of engineered lattice materials for aerospace applications. We present results for estimating the displacement and maximum structural stresses.
机译:飞机重量是现代车辆设计和操作中最关键的因素之一。将超轻材料集成到主要的承重结构中的能力有可能显着减轻飞机的重量。超轻材料往往是基于晶格的超常材料,很难建模且计算量大。超材料的优点之一是能够通过在材料中放置异质组件来调整或“编程”它们的块状材料特性。在开发时间中花费大量时间进行仿真以进行材料调整可能会成为采用大型晶格材料的障碍。在本文中,我们介绍了一种工作流和分析工具集,可为航空航天工程用晶格材料的快速开发提供一阶估算。我们提出了估计位移和最大结构应力的结果。

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