弹性测地线网格结构的设计与制作
Design and Fabrication of Elastic Geodesic Grid Structures
摘要：
弹性测地线网格（EGG）是一种轻量级的结构，可以很容易地部署到近似设计师提供的自由曲面。在初始配置中，网格是完全平坦的，但是在部署期间，由于网格元件弯曲和扭曲，结构会产生曲率。他们的布局是几何发现，它是基于网络的测地线曲线的自由形式的设计表面。用这种方法生成布局将弹性运动学机制编码到网格，该网格在部署期间创建弯曲形状。在最终状态下，网格可以固定到支撑物上，并用于各种目的，如自由形式的子结构、镶板、遮阳和防雨装置、亭子等。我们调查这种结构的可扩展性，提出了一个中等规模的模型。它是由一个建筑系的学生设计的，没有弹性结构或微分几何的专业知识，只是使用弹性测地线网格设计管道。我们进一步提出了一个制造过程的EGG模型。它们可以快速建造，并且预算很小。
英文摘要：
Elastic geodesic grids (EGG) are lightweight structures that can be easily deployed to approximate designer provided free-form surfaces. In the initial configuration the grids are perfectly flat, during deployment, though, curvature is induced to the structure, as grid elements bend and twist. Their layout is found geometrically, it is based on networks of geodesic curves on free-form design-surfaces. Generating a layout with this approach encodes an elasto-kinematic mechanism to the grid that creates the curved shape during deployment. In the final state the grid can be fixed to supports and serve for all kinds of purposes like free-form sub-structures, paneling, sun and rain protectors, pavilions, etc. However, so far these structures have only been investigated using small-scale desktop models. We investigate the scalability of such structures, presenting a medium sized model. It was designed by an architecture student without expert knowledge on elastic structures or differential geometry, just using the elastic geodesic grids design-pipeline. We further present a fabrication-process for EGG-models. They can be built quickly and with a small budget.
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