A Variational Multiscale Immersed RKPM for Fluid-Structure Interaction in Air Blast

2021 ◽  
Author(s):  
Jiun-Shyan Chen ◽  
Tsung-Hui Huang
Keyword(s):  
Fluid Structure Interaction ◽  
Air Blast ◽  
Fluid Structure ◽  
Variational Multiscale ◽  
Structure Interaction

ALE-VMS AND ST-VMS METHODS FOR COMPUTER MODELING OF WIND-TURBINE ROTOR AERODYNAMICS AND FLUID–STRUCTURE INTERACTION

2012 ◽  
Vol 22 (supp02) ◽  
pp. 1230002 ◽  
Author(s):  
YURI BAZILEVS ◽  
MING-CHEN HSU ◽  
KENJI TAKIZAWA ◽  
TAYFUN E. TEZDUYAR
Keyword(s):  
Wind Turbine ◽  
Computer Modeling ◽  
Fluid Structure Interaction ◽  
Turbine Rotor ◽  
Arbitrary Lagrangian Eulerian ◽  
Fluid Structure ◽  
Rotor Aerodynamics ◽  
Variational Multiscale ◽  
Structure Interaction ◽  
Wind Turbine Rotor

We provide an overview of the Arbitrary Lagrangian–Eulerian Variational Multiscale (ALE-VMS) and Space–Time Variational Multiscale (ST-VMS) methods we have developed for computer modeling of wind-turbine rotor aerodynamics and fluid–structure interaction (FSI). The related techniques described include weak enforcement of the essential boundary conditions, Kirchhoff–Love shell modeling of the rotor-blade structure, NURBS-based isogeometric analysis, and full FSI coupling. We present results from application of these methods to computer modeling of NREL 5MW and NREL Phase VI wind-turbine rotors at full scale, including comparison with experimental data.

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