EQUATIONS SIMPLIFY DYNAMIC ANALYSIS OF DEEPWATER DRILLING RISERS

Li Huagui Southwest Petroleum Institute Nanchong, China A set of nonlinear equations with practical simplifying assumptions on the governing motion equations and operational boundary conditions can improve the dynamic analysis of marine drilling risers. The dynamic analysis of marine drilling risers includes time domain and frequency domain analyses.1-4 Many dynamic analysis models are very elaborate and inconvenient for practical use.

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