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Design of rigid-foldable doubly curved origami tessellations based on trapezoidal crease patterns.

机译:基于梯形折痕图案的刚性可折叠双曲线折纸镶嵌设计。

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摘要

This paper presents a mathematical framework for the design of rigid-foldable doubly-curved origami tessellations based on trapezoidal crease patterns that can simultaneously fit two target surfaces with rotational symmetry about a common axis. The geometric parameters of the crease pattern and the folding angles of the target folded state are determined through a set of combined geometric and constraint equations. An algorithm to simulate the folding motion of the designed crease pattern is provided. Furthermore, the conditions and procedures to design folded ring structures that are both developable and flat-foldable and stacked folded structures consisting of two layers that can fold independently or compatibly are discussed. The proposed framework has potential applications in designing engineering doubly-curved structures such as deployable domes and folded cores for doubly-curved sandwich structures on the aircraft.
机译:本文提出了一种基于梯形折痕图案的刚性可折叠双曲线折纸镶嵌设计的数学框架,该梯形折痕图案可以同时拟合两个围绕公共轴旋转对称的目标表面。折痕图案的几何参数和目标折叠状态的折叠角度是通过一组组合的几何和约束方程式确定的。提供了一种算法来模拟设计折痕图案的折叠运动。此外,讨论了设计可展开和可平坦折叠的折叠环结构的条件和步骤,以及由两层可独立或相容折叠的叠层折叠结构。所提出的框架在设计工程上的双曲线结构方面具有潜在的应用,例如飞机上的双曲线夹层结构的可展开圆顶和折叠芯。

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