An auxetic metal pavilion
Pergola of Auxetic Structure
© Yashiro Photo Office
The Auxetic Pavilion at Kyushu University examines freely formed, three-dimensional surfaces that are suitable for use as adaptive shading elements.
© Yashiro Photo Office
A flexible metal structure
The slender Auxetic Pavilion at Japan’s Kyushu University is crowned by a flexible metal mesh whose regular perforations are reminiscent of traditional patterns in kirigami (a variant of origami). Its auxetic structure uses the plasticity of metal plates to create curved surfaces with as little material as possible.
© Yashiro Photo Office
Fascinating patterns
Auxetic structures have one feature in common: when they are stretched, they expand perpendicular to the direction of the stretch as well. One example of an auxetic structure is expanded Teflon. In Kyushu, the ratio of the incision pattern to the curved surface has undergone systematic research. The simulation calculates the ideal pattern for the desired plastic deformation. The opening rate varies from five to 50 %.
© Masaaki Iwamoto Laboratory
© Masaaki Iwamoto Laboratory
Biomimetic design
This transdisciplinary project, which intersects design and botany, was inspired by blossoms. There are many possible applications for curved auxetic surfaces; they can regulate solar influx as adaptive elements or aid in building ventilation. The effect is quite natural. The play of light and shade resembles sunlight falling through bushes and trees.
Architecture: Masaaki Iwamoto Laboratory, Kyushu University + Mika Araki Laboratory, Kwansei Gakuin University
Client: Iwamoto Lab, Kyushu University
Location: Fukuoka (JP)
Design Team: Masaaki Iwamoto, Mika Araki, Yuri Iwata, Miki Katsuki, Hanano Tanaka, Hirotaka Ujioka, Kai Morinaga
Metal work: Ryouyu Kougyo
Botany: Akitoshi Iwamoto, Kanagawa University
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