Normalization of Hydrodynamic Coefficients in Morison Equation |
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| Authors: | LI Yucheng Professor the State Key Laboratory of Coastal Offshore Engineering Dalian University of Technology Dalian P. R. China. |
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| Affiliation: | LI Yucheng Professor,the State Key Laboratory of Coastal and Offshore Engineering,Dalian University of Technology,Dalian 116024,P. R. China. |
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| Abstract: | The hydrodynamic coefficients Cd and Cm are not only dependent on the size of slender cylinder, its location in water, KC number and Re number, but also vary with environmental conditions, i. e., in regular waves or in irregular waves, in pure waves or in wave-current coexisting field. In this paper, the normalization of hydrodynamic coefficients for various environmental conditions is discussed. When a proper definition of KC number and proper characteristic values of irregular waves are used, a unified relationship between Cd, Cm and KC number for regular waves, irregular waves, pure waves and wave-current coexisting field can be obtained. |
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| Keywords: | Morison Equation drag force coefficient inertia force coefficient hydrodynamic coefficient normalization |
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