Directional Analysis in Model Design

by Fernando Vasco Costa, (F.ASCE), Prof.; Instituto Superior Técnico, Lisbon, Portugal,

Serial Information: Journal of the Engineering Mechanics Division, 1971, Vol. 97, Issue 2, Pg. 519-539

Document Type: Journal Paper


In dimensional analysis, directions are ignored and vectorial entities are dealt with as if they were scalar. To put to use the available information that would otherwise be lost, a generalization of dimensional analysis is presented, which requires lengths measured in different directions to be regarded as independent fundamental quantities. The possibility of using such generalization for the direct choice of distortion and for the direct choice of anisotropy leading to the similarity of forces in scale models is presented.

Subject Headings: Distortion (structural) | Anisotropy | Scale models

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