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Biography

Prof.  Decheng  Wan
Shanghai Jiao Tong University (SJTU),  China

Title: Numerical Simulations of Complex Wake Flows of Floating Offshore Wind Turbine

Abstract:

In this presentation, an in-house FOWT-UALM-SJTU solver is introduced to achieve fully coupled aero-hydrodynamic simulations of floating offshore wind turbines (FOWTs) based on the unsteady actuator line model (UALM). The performance of wind turbine-floating platform-mooring system can be also predicted. The FOWT-UALM- SJTU solver can also simulate two wind turbines with in-line and offset layouts, and predict the aerodynamic loads, wake characteristics, vortex structure and the complex wake interaction phenomenon, and analyze the wake development and wake interaction among wind turbines in yaw condition. With the FOWT-UALM-SJTU solver, a numerical investigation has been executed based on the Lillgrund wind farm layout to discuss the aerodynamic loads, complex wake effects and significant wake interactions. By combining overset grid technique and in-house CFD hydrodynamic solver, naoe- FOAM-SJTU, the fully coupled aero-hydrodynamic simulations of floating offshore wind turbines are also presented.

Biography:

Prof. Decheng Wan is Head of Computational Marine Hydrodynamics Laboratory (CMHL, http://dcwan.sjtu.edu.cn/) at SJTU, chair professor of Chang Jiang Scholar and distinguished professor of Shanghai Eastern Scholar, President of International Society of Offshore and Polar Engineers (ISOPE), the Chair of ISOPE International Hydrodynamic Committee, Advisor committee member of International Towing Tank Conference (ITTC), associate editor-in-chief of Journal of Hydrodynamics, China Ocean Engineering, editorial board member of Ocean Engineering and Applied Ocean Research, etc. Prof. Wan has been selected as World's Top 2% Scientists by Stanford University since 2019. He is awarded the Highly Cited Chinese Researchers since 2018 by Elsevier, received CH Kim Award, ISOPE Award, Prof. Peiyuan Zhou’s First Award of Hydrodynamics, Best paper of Moan-Faltinsen Award, etc. His research interest is mainly on computational marine and coastal hydrodynamics, numerical marine basin, nonlinear wave theory, wave loads on structures, numerical analysis of riser vortex-induced vibration (VIV) and platform vortex-induced motion (VIM), fluid-structure interaction, offshore wind turbine and other offshore renewable resources, etc. In these areas, he has published over 580 papers and carried out more than 50 projects on marine hydrodynamics and computational hydrodynamics, has delivered over 100 invited or keynote presentations in international conferences. His remarkable work of development of numerical solvers in ship and ocean engineering have been recognized by the world-wide researchers in the field of marine hydrodynamics.

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