What the study found
The study found that a modified Eiffel Tower shape can be determined when atmospheric boundary-layer wind is taken into account. The authors also state that the tower profile conforms to the moment distribution produced by the wind.
Why the authors say this matters
The authors suggest this is relevant because Eiffel's original design was based partly on a uniform wind model, while later atmospheric flow models provide a more realistic description of wind with height. They conclude that their analysis shows how the tower shape relates to wind loading.
What the researchers tested
The paper examines the Eiffel Tower's shape using a power-law wind profile, which is a simple model in which wind speed changes with height. It compares this with the design context described in the abstract, including Eiffel's construction method and the wind assumptions available at the time.
What worked and what didn't
Using atmospheric boundary-layer information, the authors say they could deduce a tower shape different from the original uniform-wind-based design. They also say they proved Eiffel's observation that the tower profile matches the wind-induced moment distribution.
What to keep in mind
The abstract does not provide numerical results, experimental details, or a full description of the derivation. It also does not state limitations beyond the historical and modeling scope described.
Key points
- The paper derives a modified Eiffel Tower shape using atmospheric boundary-layer wind information.
- The abstract says Eiffel's original design used a uniform horizontal wind model.
- The authors use a power-law wind-speed profile as the atmospheric flow model.
- The paper states that the tower profile conforms to the wind-induced moment distribution.
- No numerical results or detailed limitations are given in the abstract.
Disclosure
- Research title:
- Eiffel Tower shape matched wind moment distribution
- Authors:
- P. D. Weidman
- Institutions:
- University of Colorado Boulder
- Publication date:
- 2009-06-01
- OpenAlex record:
- View
- Image credit:
- Crisco 1492, Wikimedia Commons, CC BY-SA 4.0
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