Experimental Investigation of TARMAX Model for Modeling of Hydrodynamic Forces on Cylinder-like Structures |
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| Authors: | M A Lotfollahi Yaghin A Mojtahedi M M Ettefagh M H Aminfar |
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| Institution: | M. A. Lotfollahi Yaghin1,A. Mojtahedi1,M. M. Ettefagh2 and M. H. Aminfar1 1. Department of Civil Engineering,University of Tabriz,Tabriz 51666,Iran 2. Department of Mechanical Engineering,Iran |
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| Abstract: | A new approach that models lift and drag hydrodynamic force signals operating over cylindrical structures was developed and validated. This approach is based on stochastic auto regressive moving average with exogenous (ARMAX) input and its time-varying form, TARMAX. Model structure selection and parameter estimation were discussed while considering the validation stage. In this paper, the cylindrical structure was considered as a dynamic system with an incoming water wave and resulting forces as the input a... |
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| Keywords: | cylindrical piles wave force system identification parametric models |
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