Numerical Analysis of Geometric Configuration Effects on a Three-Bladed C-Rotor Savonius Wind Turbine Using CFD and the Finite Element MethodAhmad Saepuddin, Priyo Heru Adiwibowo, Aris Purwanto, Akhmad Hafizh Ainur Rasyid and Andicha ZainE3S Web Conf., 645 (2025) 01011DOI: https://doi.org/10.1051/e3sconf/202564501011