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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 48
INNOVATION IN CIVIL AND STRUCTURAL ENGINEERING
Edited by: B.H.V. Topping and M.B. Leeming
Paper XIII.4

Collapse of Dome Cups under Uniform External Pressure

C.T.F. Ross

Department of Mechanical and Manufacturing Engineering, University of Portsmouth, Portsmouth, United Kingdom

Full Bibliographic Reference for this paper
C.T.F. Ross, "Collapse of Dome Cups under Uniform External Pressure", in B.H.V. Topping, M.B. Leeming, (Editors), "Innovation in Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 375-381, 1997. doi:10.4203/ccp.48.13.4
Abstract
The paper reports on experimental tests carried out on nine hemi-ellipsoidal domes which were tested to destruction. The domes were subjected to uniform hydrostatic pressure on their concave surfaces and because of this, they were called dome 'cups'. The tests showed that these dome cups were structurally more efficient than their equivalent conventional domes, where because the latter were subjected to uniform pressure on their convex surfaces, could buckle inefficiently.

Theoretical analyses were also carried out via the finite element method.

The report concludes that the use of dome cups in submarine pressure hulls provides a much cheaper and simpler alternative to conventional pressure hull domes.

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