Origami “Bloom” design unfolds into a flower-like structure
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A novel collection of origami-like petal structures may enhance the design of various systems, including telescopes and solar panels.
These origami structures, rooted in the traditional art of Japanese paper folding, are favored by engineers for their ability to collapse into compact forms while expanding into larger configurations. However, the complexity of some origami patterns can pose challenges in deployment.
Recently, Larry Howell from Brigham Young University in Utah and his team have introduced a new category of origami shapes known as Bloom Patterns, which unfurl in a single, smooth motion to create a bowl-like design resembling a flower. “We can develop innovative designs that have never existed before, all while crafting aesthetically pleasing forms,” Howell notes.
Although certain Bloom patterns were recognized by origami aficionados and scholars before, Howell and his colleagues identified them as part of a broader spectrum of shapes with shared attributes.
By categorizing the different variations of Bloom patterns and providing a mathematical framework for their functioning, the researchers successfully constructed operational versions using various materials, including thick acrylic and plastics, demonstrating that each shape can consistently unfold.
The ability to deploy everything at once presents a significant advantage for space structures, minimizing the risk of complete failure during the process, states Michael Bartlett from Virginia Tech. “Every component must function perfectly; if one element fails, the entire operation is compromised,” he emphasizes. “When I observe these [Bloom patterns], it becomes evident that deployment does not follow a strict sequential pattern to achieve full expansion.”
While space telescopes generally rely on flatter mirrors for observation, the curved geometry of the Bloom pattern can facilitate the deployment of dishes akin to those in ground-based telescopes, yielding more precise imaging, Howell explains.
Having a mathematical model detailing the unfolding mechanism of these Bloom patterns could expedite the design process for functional origami structures, remarks Jamie Pike from the Swiss Federal Institute of Technology in Lausanne. “This provides us with insights to better anticipate the appearance of potential inventions and determine whether to pursue a certain direction or explore alternatives.”
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Source: www.newscientist.com
