Zurita, E.G.T. and Rosales, J.E.P. 2024. Theoretical Modeling of a Beam with Variable Section and Finite Rigidity in A Fatigue Testing Machine to Verify the Bending Moment Produced in The Central Portion of The Smallest Diameter of The Beam Subjected to External Loads . International Journal of Membrane Science and Technology. 11, 1 (Mar. 2024), 207-213. DOI:https://doi.org/10.15379/ijmst.v11i1.3574.