Variable cross-sectional effect on bi-directional blades–tower–soil–structure dynamic interaction on offshore wind turbine subject to wind–wave loads - El Absawy, Mostafa A.; Elnaggar, Zakaria; Ibrahim, Hesham H.; Taha, M. H. (Beni-Suef University Journal of Basic and Applied Sciences, 2023)
Keywords: Aerodynamic loads; Aerodynamics; Air-turbines; Alternative energy sources; Blades; Case studies; Comparative analysis; Dynamic response; Energy resources; Environmental conditions; Euler-Lagrange equation; Euler–Lagrange equations; Finite element analysis; Finite element method; Hermite polynomials; Investigations; JONSWAP spectrum; Mathematical analysis; Medicine; Medicine & Public Health; Model accuracy; Morison equation; Numerical model; Numerical models; Offshore; Offshore structures; Optimization techniques; Renewable resources; Robustness (mathematics); Shape functions; Simulation; Simulation methods; Soil structure; Soils; Sustainability; Turbine industry; Turbines; Turbulence models; Variable cross-sectional tower; Vibration; Wind effects; Wind power; Wind turbine; Wind turbines; Dynamic response; Morison equation; JONSWAP spectrum; Numerical model; Euler–Lagrange equations; Blade element moment theory; Von Karman turbulence model; Wind turbine; Variable cross-sectional tower; Flexible foundation