VIV Control Strategies Using Displacement-Based Phenomenological Model
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JACM-7-0_008
تاریخ نمایه سازی: 20 مرداد 1400
Abstract:
Linear and nonlinear feedback control of vortex-induced vibrations are assessed using a single degree-of-freedom phenomenological model of the uncontrolled response. The model is based on the role of linear and nonlinear damping forces in inducing and limiting the amplitude of these vibrations. First, the model prediction is validated using data from previously published high-fidelity direct numerical simulations. Then, linear and nonlinear control are applied to the validated model over a broad range of gain values. The predicted controlled responses are also validated against previously published results from high-fidelity numerical simulations. Based on this validation, it is shown that the single degree-of-freedom model is an effective alternative, in terms of computational cost, to high fidelity simulations in assessing control strategies over broad regions of control gains.
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Authors
Muhammad Hajj
Department of Civil, Environmental and Ocean Engineering, Stevens Institute of Technology, Hoboken, NJ, USA
Asrhad Mehmood
Department of Mechanical Engineering, University of Engineering and Technology, Peshawar, Pakistan
Imran Akhtar
Department of Mechanical Engineering, National University of Sciences and Technology, Islamabad, Pakistan
Khondokar Billah
Department of Civil, Environmental and Ocean Engineering, Stevens Institute of Technology, Hoboken, NJ, USA
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