Short Bio

I'm an architect/engineer trying to bridge the gap between design and engineering.
I'm also interested in purely geometric problems found in architectural design.
I received a PhD from the University of Tokyo for my research about Dynamic Relaxation method and constraint conditions.
After that I worked for a Tokyo-based Computer Graphics and User Interface research group led by Takeo Igarashi, and had my work about Airy stress function-based form-finding approach accepted from SIGGRAPH (2015).
I worked for SOM in the US from 2015 to 2020 as an architect.

Contact

masaaki[at]mikity.jp.net
(or find me in Facebook/LinkedIn)


Research Gate author profile
Mendeley author profile


Projects

King Ghidorah

A novel NURBS-based form finding method for tension-compression hybrid shells.
Instead of touting Airy stress functions, stress tensors are computed from continuous force diagram.
nurbs-candela.jpg
Visit King Ghidorah

Mothra

A NURBS-based form-finding method for compression-only shells. This work was presented at SIGGRAPH 2015.
Piecewise smooth Airy stress functions are computed using a second-order conic optimization solver and used to calculate stress tensors.
flickr:18099524622
Visit Mothra

Sprout

To make curves and surfaces 3d-printable
flickr:16533165268
Visit Sprout

geodesicFractal

A simple algorithm to generate geodesics and its application to architectural design
flickr:16533482470
Visit geodesicFractal

Ricecooker (Suspended)

A set of custom components of Grasshopper that supports computational mechanics.
flickr:15637974908
Visit Ricecooker

Publications in English, Peer-reviewed

Transactions on Graphics (Proceedings of SIGGRAPH)
International Journal for Numerical Methods in Engineering
IASS (Journal of the International Association for Shell and Spatial Structures)

Programming Techniques


Python and Grasshopper sessions in G30 (Old information)

Information and supplementary materials

Tensors, static Mechanics, and differential geometry (Japanese only but slowly translated to English.)

Remind that there are two types of multiplications between vectors; row vector $\times$ column vector = scalar, and column vector $\times$ row vector = matrix.
The former is called inner product. The latter is called…, there is no name.
The good start point of learning tensors is to find out the name of this product.

Portfolio

Flickr: http://www.flickr.com/photos/mikity/sets/
Vimeo:https://vimeo.com/user12601176/videos


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Publications in English, without Review

Proceedings of IASS
Proceedings of ECCOMAS MEMBRANE
Proceedings of WCSMO 9
Proceedings of CJK-OSM 6

Awards

  • 8th Hangai Prize / IASS, Oct. 2010

Publications in Japanese, Reviewed

構造工学論文集 (Journal of Structural Engineering)
日本建築学会構造系論文集 (Journal of Structural and Construction Engineering)
  • 三木優彰, 川口健一, 三項法と双対推定, 日本建築学会構造系論文集, Vol. 77, No. 674, 2012, pp. 611-618.
  • 川口健一, 柯宛伶, 三木優彰, 付帯条件付き極小曲面と一般化最急降下法に関する研究, 日本建築学会構造系論文集, Vol. 73, No. 632, 2008, pp. 1773-1777.
膜構造論文集 (日本膜構造協会)

Publications, Japanese, without Review

コロキウム構造形態の創生と解析
日本建築学会学術講演梗概集
その他

Awards
  • コロキウム構造形態の解析と創生2011優秀講演、2011年10月
  • 日本建築学会大会シェル・空間構造部門優秀発表賞、2010年12月
  • コロキウム構造形態の解析と創生2010形態創生コンテスト佳作、 2010年10月
  • 東京大学大学院工学系研究科長賞、 2009年3月