Model Testing for Ultradeep Waters

Model test procedures for global analysis verification of floating production systems in ultradeep waters are reviewed. Due to space limitations in wave basins, a combination of tests at reduced depths with advanced numerical tools is recommended. Guidelines for this approach are presented. The philosophy is that a numerical model of the truncated set-up is validated against the tests, and resulting calibration information is then applied in full-depth verification simulations. Principles for design of truncated systems are given, where the key motivation is to reproduce the full-depth system properties as closely as possible. A priority list with criteria for this purpose is given and discussed. Coupled analysis is recommended for numerical reconstruction of experiments. Key topics in this "model-the-model" procedure, and of the final prototype simulations, are discussed. 

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