Dynamic Design of Deepwater Bottom-Founded Towersby Denby Grey Morrison, Shell Development Co, Houston, United States,
Abstract: This paper traces the development of dynamic design techniques for deepwater bottom-founded towers by the following: the classification of bottom-founded towers as either `stiff' or `compliant'; the general dynamic character of stiff offshore towers; stiff-tower dynamic design methods; the dynamic behavior of `stiff' towers during on-bottom installation phases when compliant action is expected but not obtained; the general dynamic character of compliant offshore towers; and practical design of compliant towers with a specific 20-second portion of random wave - `the Designer Wave'
Subject Headings: Offshore structures | Random waves | Structural design | Water waves | Fluid-structure interaction | Dynamic loads | Structural response
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