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Modeling of Triangular Lattice Space Structures with Curved Battens

机译:弯曲板条的三角形格子空间结构建模

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摘要

Techniques for simulating an assembly process of lattice structures with curved battens were developed. The shape of the curved battens, the tension in the diagonals, and the compression in the battens were predicted for the assembled model. To be able to perform the assembly simulation, a cable-pulley element was implemented, and geometrically nonlinear finite element analyses were performed. Three types of finite element models were created from assembled lattice structures for studying the effects of design and modeling variations on the load carrying capability. Discrepancies in the predictions from these models were discussed. The effects of diagonal constraint failure were also studied.
机译:开发了用于模拟具有弯曲板条的晶格结构的组装过程的技术。对于组装模型,预测了弯曲板条的形状,对角线中的张力和板条中的压缩。为了能够进行装配仿真,实施了电缆滑轮元素,并进行了几何非线性有限元分析。从组装的网格结构创建了三种类型的有限元模型,用于研究设计和建模变化对承载能力的影响。讨论了这些模型的预测差异。还研究了对角约束失效的影响。

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