Cylindrical Pneumatic Membrane Structures Subject to Wind

by Haruo D. Kunieda, (A.M.ASCE), Asst. Prof.; Disaster Prevention Research Inst., Kyoto Univ., Uji, Kyoto 611, Japan,
Masao Arakawa, Dept. of Architecture, Kyoto Univ., Sakyo-Ku, Kyoto 606, Japan,
Yoshiyuki Yokoyama, Dept. of Architecture, Kyoto Univ., Sakyo-ku, Kyoto 606, Japan,

Serial Information: Journal of the Engineering Mechanics Division, 1981, Vol. 107, Issue 5, Pg. 851-867

Document Type: Journal Paper

Abstract: Because a pneumatic membrane structure is usually flexible, the wind load on it must be determined by considering the interaction between the wind and the structure. This interaction was analyzed with the introduction of wind models. A few flow pattern models concerning a high Reynolds number, including separated flow and the wake, were proposed and applied to rigid cylinders. Numerical results of one of the models show quite good agreement with Roshko's experimental results. Then, with the application of this flow model to the membrane structure, the interaction system was analyzed. Design charts of wind pressure distribution, deflections and stresses of the membrane are presented for several design parameters.

Subject Headings: Membranes | Pneumatic systems | Wind loads | Flow patterns | Flow separation | System analysis | Wind pressure |

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