1979•Defense Technical Information Center (DTIC)Requires access
Columbia River Entrance Channel Deep-Draft Vessel Motion Study. Appendices B thru G.
Wang Shen, Craig B. Leidersdorf, Chris C. Butcher
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Abstract
A prototype ship motion monitoring program was initiated by the Portland District, U.S. Army Corps of Engineers to provide design criteria for the entrance channel at the mouth of the Columbia River. The contractor's field team boarded deep draft vessels bound to or from the Columbia River amd measured vertical acceleration (heave), pitch, roll, yaw, and position as the vessels transited the 5-mile entrance channel. Twenty-nine vessels were monitored in the period may 1978-March 1979. (Author)