| Project/Area Number |
24656328
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Building structures/materials
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| Research Institution | Tokyo Denki University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
MAE Toshifumi 大分工業高等専門学校, 都市・環境工学科, 准教授 (90318171)
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| Research Collaborator |
MURAYAMA Minoru 有限会社ミノル設計
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| Project Period (FY) |
2012-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | 構造形態創成 / 空間構造 / 風紋 / 砂丘 / 河床変動理論 / 構造デザイン / アルゴリズミック・デザイン / 構造形態創生 / 地形 / ラチスシェル / ランダムフラクタル / 河床 |
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| Outline of Final Research Achievements |
Computer systems of structural analysis for spatial structures with irregular surface were developed based on the theories generating wind ripple, sand dune and riverbed. The structure from wind ripple and sand dune is generated by adding coordinates of the ripple to those of the dune. The part of dune is an approximation using sinusoidal wave with a half wave length. Analytical results show the effect of wind ripple form to the stiffness of the dune can be thought to be large. When comparing this structure with one constituted of two regular sinusoidal waves instead of them, the stress and displacement of the later became 30% less than those of the former.
As for the structure generated by a theory on the riverbed, the model with large fluctuation has a trend that the deflection and bending moment of the members decrease.
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