In the optimization or parametric analyses of risers, several configurations must be analyzed. It is laborious to perform time domain solutions for the dynamic analysis, since they are time-consuming tasks. So, frequency domain solutions appear to be a possible alternative, mainly in the early stages of a riser design. However, frequency domain analysis is linear and requires that nonlinear effects are treated. The aim of this paper is to present a possible way to treat some of these nonlinearities, using an iterative process together with an analytical correction, and compare the results of a frequency domain analysis with the those of a full nonlinear analysis.
Comparison Between Frequency Domain and Time Domain Riser Analysis
Contributed by the Ocean Offshore Mechanics and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received August 16, 2010; final manuscript received October 10, 2011; published online May 30, 2012. Assoc. Editor: Daniel T. Valentine.
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Cristina de, F., Takafuji, M., and Arruda Martins, C. D. (November 1, 2012). "Comparison Between Frequency Domain and Time Domain Riser Analysis." ASME. J. Offshore Mech. Arct. Eng. November 2012; 134(4): 041301. https://doi.org/10.1115/1.4006149
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