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Forces of
Nature
Wave Forces
While naval architects
had determined forces on ships by developing empirical formulae, no such
experience was available to apply to the platforms and unusual
structures which would be used for offshore development. Basic
theoretical studies were undertaken together with experiments in the
Gulf of Mexico to determine the loads that would arise from waves acting
on the structures. The Oceanography Department of Texas A & M
University, sponsored by Shell, Chevron, Humble Oil & Refining Co. and
others, made field measurements to determine wave forces on a vertical
cylinder and compared the results to analytical methods in the early
1950's. R. O. Reid, and C. L. Bretschneider played major roles in
developing this technology. The work of W. H. Munk was used in the early
design of platforms. Munk's formulae included the drag portion of the
wave force. Later, the inertial components were included thanks to the
work of J. R. Morison in the 1950s.
Recognizing the
pioneering efforts of the following people and companies who contributed
to the development of this technology:
Leon E. Borgman,
Charles L. Bretschneider, J. R. Morison, Walter H. Munk, Robert O. Reid,
Chevron (ChevronTexaco), Humble Oil & Refining Co. (ExxonMobil), Shell,
Texas A & M University, University of California (Berkeley)
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